2025-08-21T06:10:47.0000Z54.571-164.74116720.13manualconfirmedIRIS0.58Ml1Origin/20250822001546.661057.324741Magnitude/20250822001546.66111.324742IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav93725953contributorID