2021-09-20T11:10:59.0000Z58.4075-154.4488334.63manualconfirmedIRIS-0.4Ml1Origin/20210921174501.205808.878385Magnitude/20210921174501.20586.878386IRISALASKA PENINSULAregion nameNEIC PDEcatalogav91041428contributorID