2021-12-31T13:33:09.0000Z57.6113-155.5960.6manualconfirmedIRIS1.7ml1Origin/20211231133755.120168.593318Magnitude/20211231133755.120221.593319IRISALASKA PENINSULAregion nameNEIC PDEcatalogak021grv3eg4contributorID