2021-08-12T05:41:06.0000Z54.751667-164.2310.7manualconfirmedIRIS1.56Ml1Origin/20210814004924.967845.483978Magnitude/20210814004924.967901.483979IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91336656contributorID