2021-12-13T19:38:01.0000Z54.6225-163.3039.54manualconfirmedIRIS0.85Ml1Origin/20211215011229.926488.473907Magnitude/20211215011229.926541.473908IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91046318contributorID