2021-10-20T11:15:49.0000Z52.318167-174.1886675.19manualconfirmedIRIS0.81Ml1Origin/20211020192118.743374.250325Magnitude/20211020192118.743421.250326IRISANDREANOF ISLANDS, ALEUTIAN IS.region nameNEIC PDEcatalogav91395936contributorID