2025-09-11T06:01:20.0000Z54.537667-163.52266712.06manualconfirmedIRIS2.17Ml1Origin/20250911223502.84272.524977Magnitude/20250911223502.842779.524978IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav93049789contributorID