2021-08-19T18:38:24.0000Z53.0657-164.809535.8manualconfirmedIRIS1.6ml1Origin/20210819220108.019099.541805Magnitude/20210819220108.019146.541806IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogak021amc37hicontributorID