2021-08-11T11:31:32.0000Z58.439833-154.3578333.38manualconfirmedIRIS-0.25Ml1Origin/20210812233657.029176.471346Magnitude/20210812233657.029226.471347IRISALASKA PENINSULAregion nameNEIC PDEcatalogav91038378contributorID