2023-12-03T11:38:53.0000Z54.565-163.28083310.72manualconfirmedIRIS1.85Ml1Origin/20231205212725.423131.38903Magnitude/20231205212725.423184.38904IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav92142681contributorID