2023-10-12T02:50:43.0000Z54.753833-164.00457.39manualconfirmedIRIS1.28Ml1Origin/20231013003718.789586.50783Magnitude/20231013003718.789639.50784IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91118163contributorID