2026-04-21T21:04:24.198Z51.29-176.05726.3manualconfirmedUSGS3.1ml1Origin/20260422173515.479122.78740Magnitude/20260422173515.479183.78741USGS76 km SSE of Adak, Alaskaregion nameakcatalogaka2026hvnujxcontributorID