SEISMOLOGICAL SOCIETY OF AMERICA: Form 990, tax year 2024

View the entire original 990 at ProPublica ↗

Organization
SEISMOLOGICAL SOCIETY OF AMERICA (EIN 94-6078791)
Tax period
2024-02-01 to 2025-01-31
Filed
2025-08-21
IRS object ID
202512339349301016
Schema version
2024v5.2
Source
Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header ReturnHeader

FieldValueIRS element (for citing)
Return2025-08-21T08:35:40-07:00ReturnTs
Tax Period End2025-01-31TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

FieldValueIRS element (for citing)
Preparer Firm EIN204994635PreparerFirmEIN

Preparer Firm Name PreparerFirmName

FieldValueIRS element (for citing)
Business Name Line1Iryna ACBusinessNameLine1Txt

Preparer US Address PreparerUSAddress

FieldValueIRS element (for citing)
Address Line11000 Broadway Ste 200-CAddressLine1Txt
CityOaklandCityNm
State AbbreviationCAStateAbbreviationCd
ZIP94607ZIPCd
FieldValueIRS element (for citing)
Return Type990ReturnTypeCd
Tax Period Begin2024-02-01TaxPeriodBeginDt

Filer Filer

FieldValueIRS element (for citing)
EIN946078791EIN

Business Name BusinessName

FieldValueIRS element (for citing)
Business Name Line1Seismological Society of AmericaBusinessNameLine1Txt
FieldValueIRS element (for citing)
Business Name ControlSEISBusinessNameControlTxt
Phone5105255474PhoneNum

US Address USAddress

FieldValueIRS element (for citing)
Address Line1400 Evelyn Ave Ste 201AddressLine1Txt
CityAlbanyCityNm
State AbbreviationCAStateAbbreviationCd
ZIP94706ZIPCd

Business Officer BusinessOfficerGrp

FieldValueIRS element (for citing)
PersonNan BroadbentPersonNm
Person TitleExecutive DirectorPersonTitleTxt
Signature2025-08-19SignatureDt
Discuss With Paid PreparerYes (true)DiscussWithPaidPreparerInd
FieldValueIRS element (for citing)
IRS Responsible Prty Info CurrYes (true)IRSResponsiblePrtyInfoCurrInd

Preparer Person PreparerPersonGrp

FieldValueIRS element (for citing)
Preparer PersonKostyantyn Oreshkov EAPreparerPersonNm
PTINP00923916PTIN
Phone5104679506PhoneNum
FieldValueIRS element (for citing)
Tax2024TaxYr
Build TS2025-03-06 01:10:19ZBuildTS

Form 990 IRS990

FieldValueIRS element (for citing)
Principal OfficerNan BroadbentPrincipalOfficerNm

US Address USAddress

FieldValueIRS element (for citing)
Address Line1400 Evelyn Ave Ste 201AddressLine1Txt
CityAlbanyCityNm
State AbbreviationCAStateAbbreviationCd
ZIP947061375ZIPCd
FieldValueIRS element (for citing)
Gross Receipts$3,543,771GrossReceiptsAmt
Group Return For AffiliatesfalseGroupReturnForAffiliatesInd
Organization501c3Yes (X)Organization501c3Ind
Website Addresswww.seismosoc.orgWebsiteAddressTxt
Type Of Organization CorpYes (X)TypeOfOrganizationCorpInd
Formation1906FormationYr
Legal Domicile StateCALegalDomicileStateCd
Activity Or MissionThe Seismological Society of America (SSA) is an international scientific society devoted to the advancement of seismology and the understanding of earthquakes for the benefit of societyActivityOrMissionDesc
Voting Members Governing Body14VotingMembersGoverningBodyCnt
Voting Members Independent14VotingMembersIndependentCnt
Total Employee8TotalEmployeeCnt
Total Volunteers800TotalVolunteersCnt
Total Gross UBI$0TotalGrossUBIAmt
PY Contributions Grants$371,049PYContributionsGrantsAmt
CY Contributions Grants$319,503CYContributionsGrantsAmt
PY Program Service Revenue$2,817,588PYProgramServiceRevenueAmt
CY Program Service Revenue$3,032,026CYProgramServiceRevenueAmt
PY Investment Income$174,026PYInvestmentIncomeAmt
CY Investment Income$192,242CYInvestmentIncomeAmt
CY Other Revenue$0CYOtherRevenueAmt
PY Total Revenue$3,362,663PYTotalRevenueAmt
CY Total Revenue$3,543,771CYTotalRevenueAmt
PY Grants And Similar Paid$74,060PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid$101,477CYGrantsAndSimilarPaidAmt
CY Benefits Paid To Members$0CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid$769,632PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid$948,720CYSalariesCompEmpBnftPaidAmt
CY Total Prof Fndrsng Expns$0CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense$69,741CYTotalFundraisingExpenseAmt
PY Other Expenses$2,335,248PYOtherExpensesAmt
CY Other Expenses$2,393,143CYOtherExpensesAmt
PY Total Expenses$3,178,940PYTotalExpensesAmt
CY Total Expenses$3,443,340CYTotalExpensesAmt
PY Revenues Less Expenses$183,723PYRevenuesLessExpensesAmt
CY Revenues Less Expenses$100,431CYRevenuesLessExpensesAmt
Total Assets BOY$7,020,215TotalAssetsBOYAmt
Total Assets EOY$7,356,593TotalAssetsEOYAmt
Total Liabilities BOY$1,288,634TotalLiabilitiesBOYAmt
Total Liabilities EOY$1,038,446TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY$5,731,581NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY$6,318,147NetAssetsOrFundBalancesEOYAmt
MissionThe Seismological Society of America (SSA) is an international scientific society devoted to the advancement of seismology and the understanding of earthquakes for the benefit of societyMissionDesc
Significant New Program SrvcfalseSignificantNewProgramSrvcInd
Significant ChangefalseSignificantChangeInd
Expense$2,925,388ExpenseAmt
Grant$101,477GrantAmt
Revenue$3,032,026RevenueAmt
DescThe Seismological Society of America (SSA) published three journals and organized two international meetings. The Society serves more than 2500 seismologists from around the world, providing workshops, training, mentoring, more than 40 travel grants and other such services, as well as producing the journals and conferences.Desc
Total Program Service Expenses$2,925,388TotalProgramServiceExpensesAmt
Described In Section501c3Yes (true)DescribedInSection501c3Ind
Schedule B RequiredYes (true)ScheduleBRequiredInd
Political Campaign ActyfalsePoliticalCampaignActyInd
Lobbying ActivitiesfalseLobbyingActivitiesInd
Subject To Proxy TaxfalseSubjectToProxyTaxInd
Donor Advised FundfalseDonorAdvisedFundInd
Conservation EasementsfalseConservationEasementsInd
Collections Of ArtfalseCollectionsOfArtInd
Credit CounselingfalseCreditCounselingInd
Donor Rstr Or Quasi EndowmentsYes (true)DonorRstrOrQuasiEndowmentsInd
Report Land Building EquipmentYes (true)ReportLandBuildingEquipmentInd
Report Investments Other SecfalseReportInvestmentsOtherSecInd
Report Program Related InvstfalseReportProgramRelatedInvstInd
Report Other AssetsfalseReportOtherAssetsInd
Report Other LiabilitiesYes (true)ReportOtherLiabilitiesInd
Include FIN48 FootnoteYes (true)IncludeFIN48FootnoteInd
Independent Audit Fincl StmtYes (true)IndependentAuditFinclStmtInd
Consolidated Audit Fincl StmtfalseConsolidatedAuditFinclStmtInd
School OperatingfalseSchoolOperatingInd
Foreign OfficefalseForeignOfficeInd
Foreign ActivitiesYes (true)ForeignActivitiesInd
More Than5000 K To OrgYes (true)MoreThan5000KToOrgInd
More Than5000 K To IndividualsYes (true)MoreThan5000KToIndividualsInd
Professional FundraisingfalseProfessionalFundraisingInd
Fundraising ActivitiesfalseFundraisingActivitiesInd
Gaming ActivitiesfalseGamingActivitiesInd
Operate HospitalfalseOperateHospitalInd
Grants To OrganizationsfalseGrantsToOrganizationsInd
Grants To IndividualsYes (true)GrantsToIndividualsInd
Schedule J RequiredYes (true)ScheduleJRequiredInd
Tax Exempt BondsfalseTaxExemptBondsInd
Engaged In Excess Benefit TransfalseEngagedInExcessBenefitTransInd
PY Excess Benefit TransfalsePYExcessBenefitTransInd
Loan OutstandingfalseLoanOutstandingInd
Grant To Related PersonfalseGrantToRelatedPersonInd
Business Rln With Org MemfalseBusinessRlnWithOrgMemInd
Business Rln With Fam MemfalseBusinessRlnWithFamMemInd
Business Rln With35 Ctrl EntfalseBusinessRlnWith35CtrlEntInd
Deductible Non Cash ContrifalseDeductibleNonCashContriInd
Deductible Art ContributionfalseDeductibleArtContributionInd
Terminate OperationsfalseTerminateOperationsInd
Partial LiquidationfalsePartialLiquidationInd
Disregarded EntityfalseDisregardedEntityInd
Related EntityfalseRelatedEntityInd
Related Organization Ctrl EntfalseRelatedOrganizationCtrlEntInd
Trnsfr Exmpt Non Chrtbl Rltd OrgfalseTrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted PrtshpfalseActivitiesConductedPrtshpInd
Schedule O RequiredYes (true)ScheduleORequiredInd
IRP Document27IRPDocumentCnt
IRP Document W2 G0IRPDocumentW2GCnt
Backup Wthld ComplianceYes (true)BackupWthldComplianceInd
Employee8EmployeeCnt
Employment Tax Returns FiledYes (true)EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over LimitfalseUnrelatedBusIncmOverLimitInd
Foreign Financial AccountfalseForeignFinancialAccountInd
Prohibited Tax Shelter TransfalseProhibitedTaxShelterTransInd
Taxable Party NotificationfalseTaxablePartyNotificationInd
Nondeductible ContributionsfalseNondeductibleContributionsInd
Quid Pro Quo ContributionsfalseQuidProQuoContributionsInd
Form8282 Property Disposed OffalseForm8282PropertyDisposedOfInd
Form8282 Filed0Form8282FiledCnt
Rcv Fnds To Pay Prsnl Bnft CntrctfalseRcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft CntrctfalsePayPremiumsPrsnlBnftCntrctInd
Form8899 FiledindfalseForm8899Filedind
Form1098 C FiledfalseForm1098CFiledInd
Indoor Tanning ServicesfalseIndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht PymtfalseSubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst IncfalseSubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VIYes (X)InfoInScheduleOPartVIInd
Governing Body Voting Members14GoverningBodyVotingMembersCnt
Independent Voting Member14IndependentVotingMemberCnt
Family Or Business RlnfalseFamilyOrBusinessRlnInd
Delegation Of Mgmt DutiesfalseDelegationOfMgmtDutiesInd
Change To Org DocumentsfalseChangeToOrgDocumentsInd
Material Diversion Or MisusefalseMaterialDiversionOrMisuseInd
Members Or StockholdersYes (true)MembersOrStockholdersInd
Election Of Board MembersYes (true)ElectionOfBoardMembersInd
Decisions Subject To ApprovaYes (true)DecisionsSubjectToApprovaInd
Minutes Of Governing BodyYes (true)MinutesOfGoverningBodyInd
Minutes Of CommitteesYes (true)MinutesOfCommitteesInd
Officer Mailing AddressfalseOfficerMailingAddressInd
Local ChaptersfalseLocalChaptersInd
Form990 Provided To Gvrn BodyYes (true)Form990ProvidedToGvrnBodyInd
Conflict Of Interest PolicyYes (true)ConflictOfInterestPolicyInd
Annual Disclosure Covered PrsnYes (true)AnnualDisclosureCoveredPrsnInd
Regular Monitoring EnfrcYes (true)RegularMonitoringEnfrcInd
Whistleblower PolicyYes (true)WhistleblowerPolicyInd
Document Retention PolicyYes (true)DocumentRetentionPolicyInd
Compensation Process CEOYes (true)CompensationProcessCEOInd
Compensation Process OtherYes (true)CompensationProcessOtherInd
Investment In Joint VenturefalseInvestmentInJointVentureInd
States Where Copy Of Return Is FldCAStatesWhereCopyOfReturnIsFldCd
Other WebsiteYes (X)OtherWebsiteInd
Upon RequestYes (X)UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

FieldValueIRS element (for citing)
PersonJill SkinnerPersonNm
Phone5105255474PhoneNum

US Address USAddress

FieldValueIRS element (for citing)
Address Line1400 Evelyn Ave Ste 201AddressLine1Txt
CityAlbanyCityNm
State AbbreviationCAStateAbbreviationCd
ZIP94706ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (18 entries)

TitleTitleTxtAverage Hours Per WeekAverageHoursPerWeekRtAverage Hours Per Week Rltd OrgAverageHoursPerWeekRltdOrgRtOfficerOfficerIndReportable Comp From OrgReportableCompFromOrgAmtReportable Comp From Rltd OrgReportableCompFromRltdOrgAmtOther CompensationOtherCompensationAmtIndividual Trustee Or DirectorIndividualTrusteeOrDirectorInd
Nan Broadbent
Executive Dir.40.000.00Yes (X)$344,727$0$33,113
Andria Marcu
Meetings Director40.000.00$132,748$0$15,558
Heather DeShon
President1.000.00Yes (X)$0$0$0Yes (X)
Ruth Harris
Past President1.000.00Yes (X)$0$0$0Yes (X)
Susan Bilek
President-elect1.000.00Yes (X)$0$0$0Yes (X)
Peggy Hellweg
Board Member1.000.00$0$0$0Yes (X)
Annemarie Baltay
Board Member1.000.00$0$0$0Yes (X)
Zhigang Peng
Board Member1.000.00$0$0$0Yes (X)
Carl Tape
Board Member1.000.00$0$0$0Yes (X)
Xyoli Perez-Campos
Board Member1.000.00$0$0$0Yes (X)
Ashly Cabas
Board Member1.000.00$0$0$0Yes (X)
Roby Douilly
Board Member1.000.00$0$0$0Yes (X)
Victor Huerfano
Board Member1.000.00$0$0$0Yes (X)
Aaron Velasco
Board Member1.000.00$0$0$0Yes (X)
Diego Melgar
Board Member1.000.00$0$0$0Yes (X)
Karen Fischer
Board Member1.000.00$0$0$0Yes (X)
Jake Walter
Treasurer2.000.00Yes (X)$0$0$0
Kris Pankow
Secretary2.000.00Yes (X)$0$0$0
FieldValueIRS element (for citing)
Total Reportable Comp From Org$477,475TotalReportableCompFromOrgAmt
Total Other Compensation$48,671TotalOtherCompensationAmt
Indiv Rcvd Greater Than100 K2IndivRcvdGreaterThan100KCnt
Former Ofcr Employees ListedfalseFormerOfcrEmployeesListedInd
Total Comp Greater Than150 KYes (true)TotalCompGreaterThan150KInd
Compensation From Other SrcsfalseCompensationFromOtherSrcsInd

Contractor Compensation ContractorCompensationGrp (5 entries)

Address Line1ContractorAddress/USAddress/AddressLine1TxtCityContractorAddress/USAddress/CityNmState AbbreviationContractorAddress/USAddress/StateAbbreviationCdZIPContractorAddress/USAddress/ZIPCdServicesServicesDescCompensationCompensationAmtAddress Line1ContractorAddress/ForeignAddress/AddressLine1TxtCityContractorAddress/ForeignAddress/CityNmProvince Or StateContractorAddress/ForeignAddress/ProvinceOrStateNmCountryContractorAddress/ForeignAddress/CountryCdForeign PostalContractorAddress/ForeignAddress/ForeignPostalCd
Lumina Datamatics
600 Cordwainer Dr Unit 103NorwellMA02061Composition$260,515
Denaina Civic & Convention Center
600 W 7th AveAnchorageAK99501Hospitality$149,678
Westin Vancouver
Hospitality$102,8141601 Bayshore DriveVancouverBCCAV6G 2V4
Delta Think Inc
600 Arlingham RoadFlourtownPA19031Publishing Services$124,165
John Wiley & Sons Inc
111 River StHobokenNJ07030Editorial Services$104,830
FieldValueIRS element (for citing)
Cntrct Rcvd Greater Than100 K5CntrctRcvdGreaterThan100KCnt
Membership Dues$251,069MembershipDuesAmt
All Other Contributions$68,434AllOtherContributionsAmt
Total Contributions$319,503TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (2 entries)

DescDescBusinessBusinessCdTotal Revenue ColumnTotalRevenueColumnAmtRelated Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
Annual Meeting813920$1,036,930$1,036,930
Publication Charges511120$1,995,096$1,995,096
FieldValueIRS element (for citing)
Total Program Service Revenue$3,032,026TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

FieldValueIRS element (for citing)
Total Revenue Column$192,242TotalRevenueColumnAmt
Exclusion$192,242ExclusionAmt

Incm From Invest Bond Proceeds IncmFromInvestBondProceedsGrp

FieldValueIRS element (for citing)
Total Revenue Column$0TotalRevenueColumnAmt

Royalties Revenue RoyaltiesRevenueGrp

FieldValueIRS element (for citing)
Total Revenue Column$0TotalRevenueColumnAmt

Net Rental Income Or Loss NetRentalIncomeOrLossGrp

FieldValueIRS element (for citing)
Total Revenue Column$0TotalRevenueColumnAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

FieldValueIRS element (for citing)
Total Revenue Column$0TotalRevenueColumnAmt

Net Incm From Fundraising Evt NetIncmFromFundraisingEvtGrp

FieldValueIRS element (for citing)
Total Revenue Column$0TotalRevenueColumnAmt

Net Income From Gaming NetIncomeFromGamingGrp

FieldValueIRS element (for citing)
Total Revenue Column$0TotalRevenueColumnAmt

Net Income Or Loss NetIncomeOrLossGrp

FieldValueIRS element (for citing)
Total Revenue Column$0TotalRevenueColumnAmt
FieldValueIRS element (for citing)
Other Revenue Total$0OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

FieldValueIRS element (for citing)
Total Revenue Column$3,543,771TotalRevenueColumnAmt
Related Or Exempt Func Income$3,032,026RelatedOrExemptFuncIncomeAmt
Exclusion$192,242ExclusionAmt

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

FieldValueIRS element (for citing)
Total$16,000TotalAmt
Program Services$16,000ProgramServicesAmt

Grants To Domestic Individuals GrantsToDomesticIndividualsGrp

FieldValueIRS element (for citing)
Total$27,449TotalAmt
Program Services$27,449ProgramServicesAmt

Foreign Grants ForeignGrantsGrp

FieldValueIRS element (for citing)
Total$58,028TotalAmt
Program Services$58,028ProgramServicesAmt

Benefits To Members BenefitsToMembersGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

FieldValueIRS element (for citing)
Total$379,266TotalAmt
Program Services$246,523ProgramServicesAmt
Management And General$113,780ManagementAndGeneralAmt
Fundraising$18,963FundraisingAmt

Comp Disqual Persons CompDisqualPersonsGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

FieldValueIRS element (for citing)
Total$449,672TotalAmt
Program Services$408,683ProgramServicesAmt
Management And General$34,331ManagementAndGeneralAmt
Fundraising$6,658FundraisingAmt

Pension Plan Contributions PensionPlanContributionsGrp

FieldValueIRS element (for citing)
Total$25,306TotalAmt
Program Services$24,707ProgramServicesAmt
Management And General$457ManagementAndGeneralAmt
Fundraising$142FundraisingAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

FieldValueIRS element (for citing)
Total$40,473TotalAmt
Program Services$32,533ProgramServicesAmt
Management And General$6,763ManagementAndGeneralAmt
Fundraising$1,177FundraisingAmt

Payroll Taxes PayrollTaxesGrp

FieldValueIRS element (for citing)
Total$54,003TotalAmt
Program Services$43,001ProgramServicesAmt
Management And General$9,375ManagementAndGeneralAmt
Fundraising$1,627FundraisingAmt

Fees For Services Management FeesForServicesManagementGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Fees For Services Legal FeesForServicesLegalGrp

FieldValueIRS element (for citing)
Total$36,343TotalAmt
Management And General$36,343ManagementAndGeneralAmt

Fees For Services Accounting FeesForServicesAccountingGrp

FieldValueIRS element (for citing)
Total$114,073TotalAmt
Management And General$114,073ManagementAndGeneralAmt

Fees For Services Lobbying FeesForServicesLobbyingGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Fees For Services Prof Fundraising FeesForServicesProfFundraising

FieldValueIRS element (for citing)
Total$0TotalAmt

Fees For Srvc Invst Mgmnt Fees FeesForSrvcInvstMgmntFeesGrp

FieldValueIRS element (for citing)
Total$36,397TotalAmt
Management And General$36,397ManagementAndGeneralAmt

Fees For Services Other FeesForServicesOtherGrp

FieldValueIRS element (for citing)
Total$98,264TotalAmt
Program Services$65,700ProgramServicesAmt
Management And General$5,882ManagementAndGeneralAmt
Fundraising$26,682FundraisingAmt

Advertising AdvertisingGrp

FieldValueIRS element (for citing)
Total$180,549TotalAmt
Program Services$180,387ProgramServicesAmt
Fundraising$162FundraisingAmt

Office Expenses OfficeExpensesGrp

FieldValueIRS element (for citing)
Total$204,989TotalAmt
Program Services$127,323ProgramServicesAmt
Management And General$76,383ManagementAndGeneralAmt
Fundraising$1,283FundraisingAmt

Information Technology InformationTechnologyGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Royalties RoyaltiesGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Occupancy OccupancyGrp

FieldValueIRS element (for citing)
Total$56,696TotalAmt
Program Services$45,146ProgramServicesAmt
Management And General$9,843ManagementAndGeneralAmt
Fundraising$1,707FundraisingAmt

Travel TravelGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Pymt Travel Entrtnmnt Pub Ofcl PymtTravelEntrtnmntPubOfclGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Conferences Meetings ConferencesMeetingsGrp

FieldValueIRS element (for citing)
Total$878,716TotalAmt
Program Services$865,646ProgramServicesAmt
Management And General$2,117ManagementAndGeneralAmt
Fundraising$10,953FundraisingAmt

Interest InterestGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Payments To Affiliates PaymentsToAffiliatesGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Depreciation Depletion DepreciationDepletionGrp

FieldValueIRS element (for citing)
Total$3,694TotalAmt
Program Services$2,942ProgramServicesAmt
Management And General$641ManagementAndGeneralAmt
Fundraising$111FundraisingAmt

Insurance InsuranceGrp

FieldValueIRS element (for citing)
Total$7,159TotalAmt
Program Services$5,701ProgramServicesAmt
Management And General$1,243ManagementAndGeneralAmt
Fundraising$215FundraisingAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDescTotalTotalAmtProgram ServicesProgramServicesAmtManagement And GeneralManagementAndGeneralAmtFundraisingFundraisingAmt
Publication Cost$725,922$725,922
Awards$14,027$14,027
Bad debts expense$14,000$14,000
Dues, Fees & Other Charges$12,314$11,670$583$61

All Other Expenses AllOtherExpensesGrp

FieldValueIRS element (for citing)
Total$10,000TotalAmt
Program Services$10,000ProgramServicesAmt

Total Functional Expenses TotalFunctionalExpensesGrp

FieldValueIRS element (for citing)
Total$3,443,340TotalAmt
Program Services$2,925,388ProgramServicesAmt
Management And General$448,211ManagementAndGeneralAmt
Fundraising$69,741FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

FieldValueIRS element (for citing)
BOY$491,413BOYAmt
EOY$155,922EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

FieldValueIRS element (for citing)
BOY$707,746BOYAmt
EOY$624,643EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Accounts Receivable AccountsReceivableGrp

FieldValueIRS element (for citing)
BOY$168,894BOYAmt
EOY$109,697EOYAmt

Receivables From Officers Etc ReceivablesFromOfficersEtcGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Rcvbl From Disqualified Prsn RcvblFromDisqualifiedPrsnGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Oth Notes Loans Receivable Net OthNotesLoansReceivableNetGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Inventories For Sale Or Use InventoriesForSaleOrUseGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

FieldValueIRS element (for citing)
BOY$80,708BOYAmt
EOY$93,160EOYAmt
FieldValueIRS element (for citing)
Land Bldg Equip Cost Or Other Bss$149,305LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec$144,065LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

FieldValueIRS element (for citing)
BOY$5,758BOYAmt
EOY$5,240EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

FieldValueIRS element (for citing)
BOY$5,275,086BOYAmt
EOY$6,124,664EOYAmt

Investments Other Securities InvestmentsOtherSecuritiesGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Investments Program Related InvestmentsProgramRelatedGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Intangible Assets IntangibleAssetsGrp

FieldValueIRS element (for citing)
EOY$0EOYAmt

Other Assets Total OtherAssetsTotalGrp

FieldValueIRS element (for citing)
BOY$290,610BOYAmt
EOY$243,267EOYAmt

Total Assets TotalAssetsGrp

FieldValueIRS element (for citing)
BOY$7,020,215BOYAmt
EOY$7,356,593EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

FieldValueIRS element (for citing)
BOY$218,680BOYAmt
EOY$183,007EOYAmt

Deferred Revenue DeferredRevenueGrp

FieldValueIRS element (for citing)
BOY$779,344BOYAmt
EOY$612,172EOYAmt

Other Liabilities OtherLiabilitiesGrp

FieldValueIRS element (for citing)
BOY$290,610BOYAmt
EOY$243,267EOYAmt

Total Liabilities TotalLiabilitiesGrp

FieldValueIRS element (for citing)
BOY$1,288,634BOYAmt
EOY$1,038,446EOYAmt
FieldValueIRS element (for citing)
Organization Follows FASB117Yes (X)OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

FieldValueIRS element (for citing)
BOY$5,020,104BOYAmt
EOY$5,548,397EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

FieldValueIRS element (for citing)
BOY$711,477BOYAmt
EOY$769,750EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

FieldValueIRS element (for citing)
BOY$5,731,581BOYAmt
EOY$6,318,147EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

FieldValueIRS element (for citing)
BOY$7,020,215BOYAmt
EOY$7,356,593EOYAmt
FieldValueIRS element (for citing)
Reconcilation Revenue Expnss$100,431ReconcilationRevenueExpnssAmt
Net Unrlzd Gains Losses Invst$486,135NetUnrlzdGainsLossesInvstAmt
Method Of Accounting AccrualYes (X)MethodOfAccountingAccrualInd
Accountant Compile Or ReviewfalseAccountantCompileOrReviewInd
FS AuditedYes (true)FSAuditedInd

FS Audited Basis FSAuditedBasisGrp

FieldValueIRS element (for citing)
Separate Basis Fincl StmtYes (X)SeparateBasisFinclStmtInd
FieldValueIRS element (for citing)
Audit CommitteeYes (true)AuditCommitteeInd
Federal Grant Audit RequiredfalseFederalGrantAuditRequiredInd

Schedule A IRS990ScheduleA

FieldValueIRS element (for citing)
Publicly Supported Org509a2Yes (X)PubliclySupportedOrg509a2Ind

Gifts Grants Contris Rcvd509 GiftsGrantsContrisRcvd509Grp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$264,305CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$1,953,714CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$268,833CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$371,049CurrentTaxYearMinus1YearAmt
Current Tax Year$319,503CurrentTaxYearAmt
Total$3,177,404TotalAmt

Gross Receipts Admissions GrossReceiptsAdmissionsGrp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$2,133,721CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$2,456,627CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$2,607,248CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$2,817,588CurrentTaxYearMinus1YearAmt
Current Tax Year$3,032,026CurrentTaxYearAmt
Total$13,047,210TotalAmt

Gross Receipts Non Unrlt Bus GrossReceiptsNonUnrltBusGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Tax Rev Levied Orgnztnl Bnft509 TaxRevLeviedOrgnztnlBnft509Grp

FieldValueIRS element (for citing)
Total$0TotalAmt

Govt Furn Srvc Fclts Vl509 GovtFurnSrvcFcltsVl509Grp

FieldValueIRS element (for citing)
Total$0TotalAmt

Total509 Total509Grp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$2,398,026CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$4,410,341CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$2,876,081CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$3,188,637CurrentTaxYearMinus1YearAmt
Current Tax Year$3,351,529CurrentTaxYearAmt
Total$16,224,614TotalAmt

Amounts Rcvd Dsqlfy Person AmountsRcvdDsqlfyPersonGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Substantial Contributors Amt SubstantialContributorsAmtGrp

FieldValueIRS element (for citing)
Total$0TotalAmt
FieldValueIRS element (for citing)
Public Support Total509$16,224,614PublicSupportTotal509Amt

Gross Investment Income509 GrossInvestmentIncome509Grp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$59,702CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$138,031CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$153,438CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$174,026CurrentTaxYearMinus1YearAmt
Current Tax Year$192,242CurrentTaxYearAmt
Total$717,439TotalAmt

Post1975 UBTI Post1975UBTIGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Investment Income And UBTI InvestmentIncomeAndUBTIGrp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$59,702CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$138,031CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$153,438CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$174,026CurrentTaxYearMinus1YearAmt
Current Tax Year$192,242CurrentTaxYearAmt
Total$717,439TotalAmt

Net Income From Other UBI NetIncomeFromOtherUBIGrp

FieldValueIRS element (for citing)
Total$0TotalAmt

Other Income509 OtherIncome509Grp

FieldValueIRS element (for citing)
Total$0TotalAmt

Total Support Calendar Year TotalSupportCalendarYearGrp

FieldValueIRS element (for citing)
Current Tax Year Minus4 Years$2,457,728CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years$4,548,372CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years$3,029,519CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year$3,362,663CurrentTaxYearMinus1YearAmt
Current Tax Year$3,543,771CurrentTaxYearAmt
Total$16,942,053TotalAmt
FieldValueIRS element (for citing)
Public Support CY5090.95770PublicSupportCY509Pct
Public Support PY5090.96200PublicSupportPY509Pct
Investment Income CY0.04230InvestmentIncomeCYPct
Investment Income PY0.03750InvestmentIncomePYPct
Thirty Thr Pct Suprt Tests CY509Yes (X)ThirtyThrPctSuprtTestsCY509Ind

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

FieldValueIRS element (for citing)
ContributorRESTRICTEDContributorNum

Contributor Business Name ContributorBusinessName

FieldValueIRS element (for citing)
Business Name Line1RESTRICTEDBusinessNameLine1

Contributor US Address ContributorUSAddress

FieldValueIRS element (for citing)
Address Line1RESTRICTEDAddressLine1
Address Line2RESTRICTEDAddressLine2
CityRESTRICTEDCity
StateRESTRICTEDState
ZIP CodeRESTRICTEDZIPCode
FieldValueIRS element (for citing)
Total ContributionsRESTRICTEDTotalContributionsAmt

Schedule D IRS990ScheduleD

CY Endwmt Fund CYEndwmtFundGrp

FieldValueIRS element (for citing)
Beginning Year Balance$2,391,816BeginningYearBalanceAmt
Contributions$229,876ContributionsAmt
Investment Earnings Or Losses$309,907InvestmentEarningsOrLossesAmt
Administrative Expenses$17,816AdministrativeExpensesAmt
End Year Balance$2,913,783EndYearBalanceAmt

CY Minus1 Yr Endwmt Fund CYMinus1YrEndwmtFundGrp

FieldValueIRS element (for citing)
Beginning Year Balance$1,880,303BeginningYearBalanceAmt
Contributions$356,230ContributionsAmt
Investment Earnings Or Losses$170,357InvestmentEarningsOrLossesAmt
Administrative Expenses$15,074AdministrativeExpensesAmt
End Year Balance$2,391,816EndYearBalanceAmt

CY Minus2 Yr Endwmt Fund CYMinus2YrEndwmtFundGrp

FieldValueIRS element (for citing)
Beginning Year Balance$1,773,766BeginningYearBalanceAmt
Contributions$220,821ContributionsAmt
Investment Earnings Or Losses-$102,105InvestmentEarningsOrLossesAmt
Administrative Expenses$12,179AdministrativeExpensesAmt
End Year Balance$1,880,303EndYearBalanceAmt

CY Minus3 Yr Endwmt Fund CYMinus3YrEndwmtFundGrp

FieldValueIRS element (for citing)
Contributions$1,812,916ContributionsAmt
Investment Earnings Or Losses-$33,238InvestmentEarningsOrLossesAmt
Administrative Expenses$5,912AdministrativeExpensesAmt
End Year Balance$1,773,766EndYearBalanceAmt
FieldValueIRS element (for citing)
Board Designated Balance EOY1.00000BoardDesignatedBalanceEOYPct
Endowments Held Unrelated OrgfalseEndowmentsHeldUnrelatedOrgInd
Endowments Held Related OrgfalseEndowmentsHeldRelatedOrgInd
Related Org List Sch RfalseRelatedOrgListSchRInd

Equipment EquipmentGrp

FieldValueIRS element (for citing)
Other Cost Or Other Basis$146,368OtherCostOrOtherBasisAmt
Depreciation$141,128DepreciationAmt
Book Value$5,240BookValueAmt

Other Land Buildings OtherLandBuildingsGrp

FieldValueIRS element (for citing)
Other Cost Or Other Basis$2,937OtherCostOrOtherBasisAmt
Depreciation$2,937DepreciationAmt
FieldValueIRS element (for citing)
Total Book Value Land Buildings$5,240TotalBookValueLandBuildingsAmt

Other Liabilities Org OtherLiabilitiesOrgGrp

FieldValueIRS element (for citing)
DescOperating lease liabilitiesDesc
Amt$243,267Amt
FieldValueIRS element (for citing)
Total Liability$243,267TotalLiabilityAmt
Footnote TextYes (X)FootnoteTextInd
Total Rev Etc Audited Fincl Stmt$3,993,509TotalRevEtcAuditedFinclStmtAmt
Net Unrealized Gains Invst$486,135NetUnrealizedGainsInvstAmt
Revenue Not Reported$486,135RevenueNotReportedAmt
Revenue Subtotal$3,507,374RevenueSubtotalAmt
Investment Expenses Not Incld$36,397InvestmentExpensesNotIncldAmt
Revenue Not Reported Fincl Stmt$36,397RevenueNotReportedFinclStmtAmt
Total Revenue Per Form990$3,543,771TotalRevenuePerForm990Amt
Tot Expns Etc Audited Fincl Stmt$3,406,943TotExpnsEtcAuditedFinclStmtAmt
Expenses Subtotal$3,406,943ExpensesSubtotalAmt
Investment Expenses Not Incld2$36,397InvestmentExpensesNotIncld2Amt
Expenses Not Rpt Fincl Stmt$36,397ExpensesNotRptFinclStmtAmt
Total Expenses Per Form990$3,443,340TotalExpensesPerForm990Amt

Supplemental Information Detail SupplementalInformationDetail (2 entries)

Form And Line ReferenceFormAndLineReferenceDescExplanationExplanationTxt
Part V, Line 4: Intended uses of the endowment fund.The Organization has adopted investment policies for board designated endowment funds that attempt to provide a stable stream of income with a short to medium time horizon by investing principally in cash and fixed income securities or to provide a higher return with a long-time horizon by investing in a mix of fixed income securities and equities, depending upon the specific purpose for board designated endowment fund.The Organization has adopted a spending policy for the fund designated by the board of directors to function as endowment. After the fund reaches at least $3 million, the board can authorize expenditures equal to 5% of the average investment value. The board of directors has ultimate discretion over annual appropriations.Funds designated by the board of directors to function as endowment are subject to redesignation at any time, including designation other than endowment funds.
Part X : FIN48 FootnoteThe Organization is not classified as a private foundation and is exempt from federal and state income taxes under section 501(c)3 of the Internal Revenue Code and Section 23701(d) of the California Code. The Organization is considered a publicly supported organization. Management has evaluated its uncertain tax positions and related income tax contingencies and does not believe any material uncertain tax positions exist.

Schedule F IRS990ScheduleF

FieldValueIRS element (for citing)
Grant Records MaintainedYes (true)GrantRecordsMaintainedInd

Account Activities Outside US AccountActivitiesOutsideUSGrp (6 entries)

RegionRegionTxtOfficesOfficesCntEmployeeEmployeeCntType Of Activities ConductedTypeOfActivitiesConductedTxtRegion Total ExpendituresRegionTotalExpendituresAmt
East Asia & Pacific00Grantmaking$14,425
Europe00Grantmaking$24,421
North America00Grantmaking$8,095
South America00Grantmaking$5,700
South Asia00Grantmaking$2,500
Sub-Saharan Africa00Grantmaking$2,887
FieldValueIRS element (for citing)
Subtotal Spent$58,028SubtotalSpentAmt
Total Spent$58,028TotalSpentAmt

Grants To Org Outside US GrantsToOrgOutsideUSGrp

FieldValueIRS element (for citing)
RegionEuropeRegionTxt
Purpose Of GrantAdvance EQ SciencePurposeOfGrantTxt
Cash Grant$4,000CashGrantAmt
Manner Of Cash DisbursementWireMannerOfCashDisbursementTxt
FieldValueIRS element (for citing)
Total Other Org1TotalOtherOrgCnt

Foreign Individuals Grants ForeignIndividualsGrantsGrp (8 entries)

Type Of AssistanceTypeOfAssistanceTxtRegionRegionTxtRecipientRecipientCntCash GrantCashGrantAmtManner Of Cash DisbursementMannerOfCashDisbursementTxtNon Cash AssistanceNonCashAssistanceAmtDescription Of Non Cash AsstDescriptionOfNonCashAsstTxtValuation Method UsedValuationMethodUsedDesc
Annual Meeting Travel GrantEast Asia & Pacific4$10,000wire$2,125registration feebook
Annual Meeting Travel GrantEurope4$10,500wire$5,171registration feebook
Annual Meeting Travel GrantNorth America3$6,500wire$1,595registration feebook
Annual Meeting Travel GrantSub-Saharan Africa1$1,560wire$1,327registration feebook
Global Travel GrantEurope3$4,750wire
Global Travel GrantSouth America3$5,700wire
Global Travel GrantSouth Asia1$2,500wire
Spudich Travel GrantEast Asia & Pacific1$2,300wire
FieldValueIRS element (for citing)
Transfer To Foreign CorpfalseTransferToForeignCorpInd
Interest In Foreign TrustfalseInterestInForeignTrustInd
Foreign Corp OwnershipfalseForeignCorpOwnershipInd
Passive Foreign Investmest CofalsePassiveForeignInvestmestCoInd
Foreign PartnershipfalseForeignPartnershipInd
Boycott CountriesfalseBoycottCountriesInd

Supplemental Information Detail SupplementalInformationDetail

FieldValueIRS element (for citing)
Form And Line ReferencePart I, Line 2 - Grantmakers Explanation For Monitoring Use of Funds Outside USFormAndLineReferenceDesc
ExplanationFor Community Grants, we require the recipient to produce a detailed budget and two-paragraph summary of the event. For travel grants, recipients provide evidence of attending the event.ExplanationTxt

Schedule I IRS990ScheduleI

FieldValueIRS element (for citing)
Grant Records MaintainedfalseGrantRecordsMaintainedInd
Total501c3 Org0Total501c3OrgCnt
Total Other Org0TotalOtherOrgCnt

Grants Other Asst To Indiv In US GrantsOtherAsstToIndivInUSGrp (5 entries)

Grant TypeGrantTypeTxtRecipientRecipientCntCash GrantCashGrantAmtNon Cash AssistanceNonCashAssistanceAmtValuation Method UsedValuationMethodUsedDescNon Cash AssistanceNonCashAssistanceDesc
Global Travel Grants2$1,000
Annual Meeting Travel Grants9$13,757$637bookregistration fee waived
Topical Meeting Travel Grants4$6,000$2,100bookregistration fee waived
Government Relations Travel Grants1$1,500$455bookregistration fee waived
Spudich Travel Grants1$2,000

Schedule J IRS990ScheduleJ

FieldValueIRS element (for citing)
Independent ConsultantYes (X)IndependentConsultantInd
Written Employment ContractYes (X)WrittenEmploymentContractInd
Board Or Committee ApprovalYes (X)BoardOrCommitteeApprovalInd
Severance PaymentfalseSeverancePaymentInd
Supplemental Nonqual Rtr PlanfalseSupplementalNonqualRtrPlanInd
Equity Based Comp ArrngmfalseEquityBasedCompArrngmInd
Comp Based On Revenue Of Flng OrgfalseCompBasedOnRevenueOfFlngOrgInd
Comp Bsd On Rev Related OrgsfalseCompBsdOnRevRelatedOrgsInd
Comp Bsd Net Earns Flng OrgfalseCompBsdNetEarnsFlngOrgInd
Comp Bsd Net Earns Rltd OrgsfalseCompBsdNetEarnsRltdOrgsInd
Any Non Fixed PaymentsfalseAnyNonFixedPaymentsInd
Initial Contract ExceptionfalseInitialContractExceptionInd

Rltd Org Officer Trst Key Empl RltdOrgOfficerTrstKeyEmplGrp

FieldValueIRS element (for citing)
PersonNan BroadbentPersonNm
TitleExecutive Dir.TitleTxt
Base Compensation Filing Org$346,035BaseCompensationFilingOrgAmt
Deferred Compensation Flng Org$31,143DeferredCompensationFlngOrgAmt
Nontaxable Benefits Filing Org$2,088NontaxableBenefitsFilingOrgAmt
Total Compensation Filing Org$379,266TotalCompensationFilingOrgAmt

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (8 entries)

Form And Line ReferenceFormAndLineReferenceDescExplanationExplanationTxt
Form 990, Part VI, Section A, Line 6The Organization is composed of members who pay a membership fee.
Form 990, Part VI, Section A, Line 7aThe Organization is composed of members who vote to elect Directors annually. This election and voting process is supervised by the membership manager and is run by an independent firm, Elections America.
Form 990, Part VI, Section A, Line 7bBylaw amendments
Form 990, Part VI, Section B, Line 11bThe Board receives a copy to review, which is also reviewed by the financial team.
Form 990, Part VI, Section B, Line 12cWe ask the members of the board of directors (annually) and editorial board members (every three years) to complete a form that identifies any conflicts of interest.
Form 990, Part VI, Section B, Line 15aAn outside consultant evaluated compensation of the ED two years ago. Approval is determined by the Management Committee.
Form 990, Part VI, Section B, Line 15bAn outside firm evaluated the HR structure, included job descriptions and pay, and the ED has final determination. An outside, independent firm helps recruit positions and offers competitive pay information.
Form 990, Part VI, Section C, Line 19Our Bylaws are posted in the public area of our website. Our audited financial statements are published annually in our journal, Seismological Research Letters (SRL). Minutes of our annual Board of Directors meeting are published in SRL as well. Our Board policies, including the Conflict of Interest Policy, are posted in the leadership section of our website as are minutes of Board conference calls, key committees, etc. Our Form 990 is available by request.

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