2025-12-04T03:12:08.0000Z-55.4261-127.844910manualconfirmedIRIS5.5Mww1Origin/20251204042446.28749.131235Magnitude/20251204042446.287546.131236IRISPACIFIC-ANTARCTIC RIDGEregion nameNEIC PDEcatalogus7000rfg1contributorID