2023-12-10T01:22:23.0000Z54.568833-163.286511.25manualconfirmedIRIS2.04Ml1Origin/20231212005311.275927.84255Magnitude/20231212005311.27598.84256IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav92149641contributorID