2023-12-27T07:16:17.0000Z54.7495-164.0876672.48manualconfirmedIRIS0.87Ml1Origin/20231227082314.635718.80132Magnitude/20231227082314.635772.80133IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav92166106contributorID