2023-04-28T09:34:49.0000Z54.757833-164.10155.9manualconfirmedIRIS0.4Ml1Origin/20230428233223.436425.191446Magnitude/20230428233223.436476.191447IRISUNIMAK ISLAND REGION, ALASKAregion nameNEIC PDEcatalogav91098613contributorID