2026-04-20T06:41:53.857Z63.706-147.1813.2manualconfirmedUSGS1.3ml1Origin/20260420231637.65311.59973Magnitude/20260420231637.653169.59974USGS79 km SSW of Harding-Birch Lakes, Alaskaregion nameakcatalogaka2026hspmgucontributorID