2021-09-01T19:43:49.0000Z54.524333-164.6858330.5manualconfirmedIRIS0.61Ml1Origin/20210902212059.284608.682059Magnitude/20210902212059.284659.682060IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91355506contributorID