2026-05-13T15:40:12.93Z51.5355-177.1878333333320.4manualconfirmedUSGS1.97ml1Origin/20260514021732.837767.19359Magnitude/20260514021732.837829.19360USGS53 km SW of Adak, Alaskaregion nameavcatalogav94192963contributorID