2026-07-20T01:19:54.53Z52.394833333333-174.0899.52manualconfirmedUSGS0.11ml1Origin/20260721213508.006044.174273Magnitude/20260721213508.006104.174274USGS23 km NNE of Atka, Alaskaregion nameavcatalogav94320158contributorID