2026-08-20T08:29:36.035Z57.827-154.08843.1manualconfirmedUSGS2.4ml1Origin/20260821021900.508185.454703Magnitude/20260821021900.508242.454704USGS32 km NNW of Larsen Bay, Alaskaregion nameakcatalogaka2026qlibdfcontributorID