2023-08-19T06:11:48.0000Z54.711667-164.1401672.37manualconfirmedIRIS0.4Ml1Origin/20230821212714.859783.396253Magnitude/20230821212714.859838.396254IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav92008651contributorID