2021-08-12T03:23:04.0000Z54.749833-164.235333-0.19manualconfirmedIRIS1.23Ml1Origin/20210813231936.101606.483209Magnitude/20210813231936.101658.483210IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91336531contributorID