2021-05-01T12:18:47.0000Z58.509667-154.56458.71manualconfirmedIRIS-0.64Ml1Origin/20210503220402.971962.223235Magnitude/20210503220402.97201.223236IRISALASKA PENINSULAregion nameNEIC PDEcatalogav91025938contributorID