2021-12-09T19:24:01.0000Z52.012178.3146671.64manualconfirmedIRIS2.87Ml1Origin/20211210020407.46617.436507Magnitude/20211210020407.466222.436508IRISRAT ISLANDS, ALEUTIAN ISLANDSregion nameNEIC PDEcatalogav91440581contributorID