2021-10-04T14:51:39.157Z55.4222-156.84145.1manualconfirmedUSGS3.1ml1Origin/20211004145512.603702.72234Magnitude/20211004145512.603751.72235USGS137 km SE of Chignik, Alaskaregion nameakcatalogak021cqci7srcontributorID