2021-09-20T21:53:51.741Z51.7073176.407440.96manualconfirmedUSGS4.3mb1Origin/20210921231706.639379.882242Magnitude/20210921231706.63942.882243USGS253 km ESE of Attu Station, Alaskaregion nameuscatalogus7000fd0rcontributorID