2025-09-19T20:57:00.0000Z54.711167-164.0251673.06manualconfirmedIRIS0.85Ml1Origin/20250922161817.387534.622758Magnitude/20250922161817.387587.622759IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav93779763contributorID