2023-12-14T16:57:39.0000Z-58.788-25.229330.673manualconfirmedIRIS5.2Mww1Origin/20231215151844.63978.1007Magnitude/20231215151844.639852.1008IRISSOUTH SANDWICH ISLANDS REGIONregion nameNEIC PDEcatalogus7000lj2mcontributorID