2026-08-03T21:47:43.985Z51.511-179.86678.7manualconfirmedUSGS2.6ml1Origin/20260804045654.20271.287409Magnitude/20260804045654.202769.287410USGS227 km WSW of Adak, Alaskaregion nameakcatalogaka2026pgyhbvcontributorID