2025-03-31T11:24:46.0000Z54.628-163.66152.77manualconfirmedIRIS1.62Ml1Origin/20250401014414.160855.58420Magnitude/20250401014414.160907.58421IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav93555256contributorID