2026-07-26T13:18:43.603Z51.7323-173.451343.18manualconfirmedUSGS4.3mb1Origin/20260726140428.909923.214141Magnitude/20260726140428.909986.214142USGS72 km SE of Atka, Alaskaregion nameuscatalogus7000t3gzcontributorID