2025-04-01T08:30:56.0000Z51.7845-178.8329.95manualconfirmedIRIS0.5Ml1Origin/20250401192600.427715.64757Magnitude/20250401192600.427771.64758IRISANDREANOF ISLANDS, ALEUTIAN IS.region nameNEIC PDEcatalogav93556881contributorID