2021-09-05T09:59:03.0000Z-58.7135-25.198122.99manualconfirmedIRIS5.6Mww1Origin/20210905135822.220516.711978Magnitude/20210905135822.220567.711979IRISSOUTH SANDWICH ISLANDS REGIONregion nameNEIC PDEcatalogusauto7000f875,pt21248000,us7000f875contributorID