2023-09-21T11:12:26.0000Z54.7385-164.1121671.75manualconfirmedIRIS1.51Ml1Origin/20230921182201.061478.619187Magnitude/20230921182201.061529.619188IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91116333contributorID