2023-09-27T17:37:36.0000Z-53.4853-134.965310manualconfirmedIRIS5.6Mww1Origin/20230928143118.505734.667255Magnitude/20230928143118.505785.667256IRISPACIFIC-ANTARCTIC RIDGEregion nameNEIC PDEcatalogus6000lb6acontributorID