2026-04-01T08:42:56.497Z-47.736115.975110manualconfirmedUSGS4.8mb1Origin/20260401090844.818817.568212Magnitude/20260401090844.818914.5682132026-04-01T08:51:26.842906Z2026-04-01T09:08:44.828619ZWestern Indian-Antarctic Ridgeregion nameOrigin/20260401090844.818817.568212