2021-09-20T22:15:35.0000Z54.607833-163.32212.26manualconfirmedIRIS0.89Ml1Origin/20210921183326.157691.878810Magnitude/20210921183326.157756.878811IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91041458contributorID