2025-08-03T15:48:05.232Z-47.8132115.950910manualconfirmedUSGS5.5mb1Origin/20250803160125.555462.188489Magnitude/20250803160125.555541.1884902025-08-03T15:57:00.160111Z2025-08-03T16:01:27.622431ZWestern Indian-Antarctic Ridgeregion nameOrigin/20250803160125.555462.188489