2026-04-21T17:40:10.789Z58.08-155.11188.6manualconfirmedUSGS1.9ml1Origin/20260422171604.381324.78381Magnitude/20260422171604.381386.78382USGS68 km NW of Karluk, Alaskaregion nameakcatalogaka2026hvhakgcontributorID