2021-08-20T09:01:59.0000Z53.1999-164.079310manualconfirmedIRIS3.6mb1Origin/20210820093246.452384.546590Magnitude/20210820093246.452438.546591IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogus6000f8qwcontributorID