2023-09-20T03:08:30.0000Z54.742833-164.1292.14manualconfirmedIRIS1.39Ml1Origin/20230920171329.396305.612051Magnitude/20230920171329.396361.612052IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav92051391contributorID