2023-10-04T11:00:04.064Z51.9811-171.138826.4manualconfirmedUSGS3.9ml1Origin/20231004132942.94141.709806Magnitude/20231004132942.941468.709807USGS187 km SW of Nikolski, Alaskaregion nameakcatalogak023cqaewowcontributorID