2026-08-20T05:01:45.139Z52.05176.32276.5manualconfirmedUSGS2.6ml1Origin/20260821014139.997366.454423Magnitude/20260821014139.997428.454424USGS230 km ESE of Attu Station, Alaskaregion nameakcatalogaka2026qlbcmrcontributorID