2023-08-28T14:56:06.0000Z54.572-164.698333-3manualconfirmedIRIS0.34Ml1Origin/20230829013045.048591.451184Magnitude/20230829013045.048649.451185IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91114188contributorID