2025-11-01T01:51:23.0000Z-55.6171-26.82710manualconfirmedIRIS5.2mb1Origin/20251101021322.64485.153128Magnitude/20251101021322.644902.153129IRISSOUTH SANDWICH ISLANDS REGIONregion nameNEIC PDEcatalogus6000rkw7contributorID