2023-03-31T08:27:30.0000Z-49.1167124.98410manualconfirmedIRIS4.8mb1Origin/20230331084421.324837.11448Magnitude/20230331084421.324886.11449IRISWESTERN INDIAN-ANTARCTIC RIDGEregion nameNEIC PDEcatalogus6000k12hcontributorID