2020-11-30T04:59:09.178Z52.7281-168.363130.89manualconfirmedUSGS5.5mww1Origin/20201130200529.416028.2204495Magnitude/20201130200529.41608.2204496USGS40 km SE of Nikolski, Alaskaregion nameuscatalogus7000cl2fcontributorID