2025-09-20T07:28:15.797Z-57.9442-25.146929.415manualconfirmedUSGS5.1mb1Origin/20250920074428.949717.34499Magnitude/20250920074428.949777.345002025-09-20T07:38:42.241531Z2025-09-20T07:44:30.008388ZSouth Sandwich Islands Regionregion nameOrigin/20250920074428.949717.34499