2026-10-21T12:03:56.497Z53.4261-163.461220.471manualconfirmedUSGS4.5mwr1Origin/20261021141228.735552.96955Magnitude/20261021141228.735615.96956USGS158 km S of False Pass, Alaskaregion nameuscatalogus6000u3tncontributorID