2026-05-18T03:06:09.024Z56.273-158.6525manualconfirmedUSGS1.8ml1Origin/20260518030937.807524.56467Magnitude/20260518030937.807585.56468USGS7 km ENE of Chignik Lake, Alaskaregion nameakcatalogaka2026jthfgucontributorID