2026-07-27T21:32:20.747Z51.84175.98424.9manualconfirmedUSGS3.8ml1Origin/20260728211840.818553.236165Magnitude/20260728211840.818611.236166USGS221 km ESE of Attu Station, Alaskaregion nameakcatalogaka2026otzqgdcontributorID