2020-12-08T10:49:50.0000Z57.724833-156.04259.03manualconfirmedIRIS0.63Ml1Origin/20201209163525.157347.2775176Magnitude/20201209163525.1574.2775177IRISALASKA PENINSULAregion nameNEIC PDEcatalogav91014128contributorID