﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" returnVersion="2025v4.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-08-13T10:38:37-06:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>851091386</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Connie Christiansen CPA</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>PO Box 33875</AddressLine1Txt>
        <CityNm>Reno</CityNm>
        <StateAbbreviationCd>NV</StateAbbreviationCd>
        <ZIPCd>89533</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237337381</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>International Assoc for Mathematical Geosciences</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% Arja Jewbali</InCareOfNm>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <PhoneNum>8323808833</PhoneNum>
      <USAddress>
        <AddressLine1Txt>4601 E Douglas Ave STE 150</AddressLine1Txt>
        <CityNm>Wichita</CityNm>
        <StateAbbreviationCd>KS</StateAbbreviationCd>
        <ZIPCd>67218</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>ARJA JEWBALI</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <PhoneNum>7203452347</PhoneNum>
      <SignatureDt>2026-06-20</SignatureDt>
      <DiscussWithPaidPreparerInd>false</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>CONNIE CHRISTIANSEN</PreparerPersonNm>
      <PTIN>P00398106</PTIN>
      <PhoneNum>7754134084</PhoneNum>
      <PreparationDt>2026-08-13</PreparationDt>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="IRS990">
      <PrincipalOfficerNm>Arja Jewbali</PrincipalOfficerNm>
      <GrossReceiptsAmt>277183</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>www.IAMG.org</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1968</FormationYr>
      <LegalDomicileStateCd>KS</LegalDomicileStateCd>
      <ActivityOrMissionDesc>To promote international cooperation in the application and use of mathematics in geosciences research and technology.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>12</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>12</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>5239</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>3027</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>4482</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>31400</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>94890</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>137876</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>108163</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>104880</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>212774</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>277183</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>47368</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>43252</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>94528</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>58224</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>141896</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>101476</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>70878</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>175707</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>1678393</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>1907167</TotalAssetsEOYAmt>
      <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>1678393</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>1907167</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>To promote international cooperation in the application and use of mathematics in geosciences research and technology.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>75235</ExpenseAmt>
      <Desc>The Association provides annual awards to recognize senior scientists for career achievements,mid-career scientists for exceptional potential and proven research ability, student research, and other similar organizations. 25 awards were distributed in 2024.</Desc>
      <ProgSrvcAccomActy2Grp>
        <Desc>The Association participates in conferences, workshops, symposiums, and scientific discussions for scientists around the world. It also publishes journals to provide current information and developments in the areas of mathematical geosciences.</Desc>
      </ProgSrvcAccomActy2Grp>
      <TotalProgramServiceExpensesAmt>75235</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="IRS990ScheduleA-141-Copy1">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd>false</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
      <ConservationEasementsInd>false</ConservationEasementsInd>
      <CollectionsOfArtInd>false</CollectionsOfArtInd>
      <CreditCounselingInd>false</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>false</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="IRS990ScheduleD">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd>false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd>false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd>false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd>false</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd>false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd>false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd>false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>true</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="IRS990ScheduleF-141-Copy1">true</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="IRS990ScheduleF-141-Copy1">true</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="IRS990ScheduleI-141-Copy1">true</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>false</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>false</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>0</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>false</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>false</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>12</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>12</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>true</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>true</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>true</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>true</LocalChaptersInd>
      <PoliciesReferenceChaptersInd>true</PoliciesReferenceChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>true</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>false</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>false</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>false</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>false</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <OwnWebsiteInd>X</OwnWebsiteInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>The Organization</PersonNm>
        <PhoneNum>8323808833</PhoneNum>
        <USAddress>
          <AddressLine1Txt>4601 E Douglas Ave Ste 150</AddressLine1Txt>
          <CityNm>Wichita</CityNm>
          <StateAbbreviationCd>KS</StateAbbreviationCd>
          <ZIPCd>67218</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <NoListedPersonsCompensatedInd>X</NoListedPersonsCompensatedInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>Raimon Tolosana Delgado</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Ute Muller</PersonNm>
        <TitleTxt>Secretary</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Timothy C Coburn</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Dionissios Hristopoulos</PersonNm>
        <TitleTxt>Vice-President</TitleTxt>
        <AverageHoursPerWeekRt>5.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Peter Dowd</PersonNm>
        <TitleTxt>Past President</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Caterina Gozzi</PersonNm>
        <TitleTxt>Councilor</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Guillaume Pirot</PersonNm>
        <TitleTxt>Councilor</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Karel Hron</PersonNm>
        <TitleTxt>Councilor</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jorg Benndorf</PersonNm>
        <TitleTxt>Councilor</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Mario Rossi</PersonNm>
        <TitleTxt>Councilor</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Xavier Emery</PersonNm>
        <TitleTxt>Councilor</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jeff Boisvert</PersonNm>
        <TitleTxt>ICG Councilor</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <MembershipDuesAmt>3027</MembershipDuesAmt>
      <TotalContributionsAmt>3027</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Educational journals</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>2300</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>2300</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Conference registration</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>29100</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>29100</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>31400</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>137876</TotalRevenueColumnAmt>
        <ExclusionAmt>137876</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>104880</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>104880</RelatedOrExemptFuncIncomeAmt>
      </RoyaltiesRevenueGrp>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>277183</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>136280</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>137876</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>13373</TotalAmt>
        <ProgramServicesAmt>13373</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>29879</TotalAmt>
        <ProgramServicesAmt>29879</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>18497</TotalAmt>
        <ManagementAndGeneralAmt>18497</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>125</TotalAmt>
        <ManagementAndGeneralAmt>125</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>993</TotalAmt>
        <ManagementAndGeneralAmt>993</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>3184</TotalAmt>
        <ProgramServicesAmt>1766</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1418</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>4517</TotalAmt>
        <ProgramServicesAmt>4517</ProgramServicesAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>19265</TotalAmt>
        <ProgramServicesAmt>19265</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <OtherExpensesGrp>
        <Desc>Bank and credit card fees</Desc>
        <TotalAmt>5208</TotalAmt>
        <ManagementAndGeneralAmt>5208</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Newsletter and subscriptions</Desc>
        <TotalAmt>6435</TotalAmt>
        <ProgramServicesAmt>6435</ProgramServicesAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>101476</TotalAmt>
        <ProgramServicesAmt>75235</ProgramServicesAmt>
        <ManagementAndGeneralAmt>26241</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>390236</BOYAmt>
        <EOYAmt>447297</EOYAmt>
      </CashNonInterestBearingGrp>
      <LandBldgEquipCostOrOtherBssAmt>2612</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>2612</LandBldgEquipAccumDeprecAmt>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>1288157</BOYAmt>
        <EOYAmt>1459870</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>1678393</BOYAmt>
        <EOYAmt>1907167</EOYAmt>
      </TotalAssetsGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>1678393</BOYAmt>
        <EOYAmt>1907167</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1678393</BOYAmt>
        <EOYAmt>1907167</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1678393</BOYAmt>
        <EOYAmt>1907167</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>175707</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>53067</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>8224</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>5114</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>4179</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5075</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3027</CurrentTaxYearAmt>
        <TotalAmt>25619</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsNonUnrltBusGrp>
        <CurrentTaxYearMinus4YearsAmt>114554</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>279686</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>237447</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>112645</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>136280</CurrentTaxYearAmt>
        <TotalAmt>880612</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>122778</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>284800</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>241626</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>117720</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>139307</CurrentTaxYearAmt>
        <TotalAmt>906231</TotalAmt>
      </Total509Grp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>906231</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>40201</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>36572</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>58197</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>94890</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>137876</CurrentTaxYearAmt>
        <TotalAmt>367736</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>40201</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>36572</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>58197</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>94890</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>137876</CurrentTaxYearAmt>
        <TotalAmt>367736</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearMinus3YearsAmt>1924</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>1924</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>162979</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>323296</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>299823</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>212610</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>277183</CurrentTaxYearAmt>
        <TotalAmt>1275891</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.71030</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.76470</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.29000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.23000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2612</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2612</DepreciationAmt>
      </EquipmentGrp>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <TypeOfActivitiesConductedTxt>Grant making</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>Student Chapters</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>4700</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>South Asia</RegionTxt>
        <TypeOfActivitiesConductedTxt>Grant making</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>Student Chapters</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>3350</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalSpentAmt>8050</SubtotalSpentAmt>
      <TotalSpentAmt>8050</TotalSpentAmt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Scholarship Awards</TypeOfAssistanceTxt>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <RecipientCnt>3</RecipientCnt>
        <CashGrantAmt>8000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Student Travel Grant</TypeOfAssistanceTxt>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <RecipientCnt>7</RecipientCnt>
        <CashGrantAmt>2348</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Scholarship Awards</TypeOfAssistanceTxt>
        <RegionTxt>Europe including Iceland and Greenland</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>4000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Student Travel Grant</TypeOfAssistanceTxt>
        <RegionTxt>Europe including Iceland and Greenland</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>1696</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Scholarship Awards</TypeOfAssistanceTxt>
        <RegionTxt>Europe including Iceland and Greenland</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>4000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Student Travel Grant</TypeOfAssistanceTxt>
        <RegionTxt>Russia and Neighboring States</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1284</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>Student Travel Grant</TypeOfAssistanceTxt>
        <RegionTxt>South America</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>1500</CashGrantAmt>
        <MannerOfCashDisbursementTxt>Wire transfer</MannerOfCashDisbursementTxt>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Scholarship awards</GrantTypeTxt>
        <RecipientCnt>5</RecipientCnt>
        <CashGrantAmt>13373</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Monitoring procedures (Part I, line 2)</FormAndLineReferenceDesc>
        <ExplanationTxt>The different awards and criteria are detailed at www.iamg.org. A Committee evaluates all applications based on pre-established criteria related to scientific advancement. Membership in IAMG is not required for award applicants and the eligibility requirements are the same no matter their country of citizenship or residency. Use of the awards in monitored by the awarding committee and often requires a report documenting how the award ws used to further the goals of the IAMG.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Members or stockholder classes and rights Part VI line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>IAMG accepts as members: geoscientists, statisticians, and other interest individuals and organizations. Each IAMG member votes in the quadrennial elections. In voting, each member has one vote. Each institutional member may appoint one representative who has one vote.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Member election for additional members Part VI line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Council is elected through a General Referendum and membership vote. The Council has the power to appoint any commission and committee it may deem necessary for the scientific and administrative work of the IAMG. The power to dissolve a commission or committee rests with the Council. The Chair of any commission or committee shall be appointed by the Council. A General Referendum or Delegate Assembly may direct the Council to appoint commissions or committees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing body decisions Part VI line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>General Referendums, including amendments to the Statutes and Bylaws and on the election of the Council Officers, are announced by the Council and voted on my all members in good standing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing body meeting documentation Part VI line 8a</FormAndLineReferenceDesc>
        <ExplanationTxt>Minutes are maintained for Council meetings and General Assemblies. The minutes are available at www.iamg.org</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 governing body review Part VI line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is reviewed and approved by the Treasurer(s) prior to filing. A complete copy is sent to the President for distribution to the full Council.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Conflict of interest policy compliance Part VI line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Annually, each Council Member, Committee Member, and volunteer shall complete a disclosure form identifying any relationships, positions, or circumstances in which s/he is involved that is believed to contribute to a conflict of interest. Such relationships, positions, or circumstances might include service as a director or consultant to another nonprofit organization, or ownership of a business that provides goods or services to IAMG. This policy shall be reviewed annually by each member of the Council. Any changes to the policy shall be communicated to all Council Members, Committee Members, volunteers, and candidates.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>CEO executive director top management comp Part VI line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>The IAMG does not have employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing documents etc available to public Part VI line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The governing documents are available at www.iamg.org or upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>