2025-09-16T23:28:46.0000Z54.7455-163.990667-0.39manualconfirmedIRIS0.38Ml1Origin/20250917010700.321236.570965Magnitude/20250917010700.321288.570966IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav93772933contributorID