2025-10-16T07:54:41.0000Z-54.54-26.3810manualconfirmedGFZ4.71Origin/20251016133649.761824.932691Magnitude/20251016133649.761912.9326922025-10-16T13:36:50.44527ZSouth Sandwich Islands Regionregion nameOrigin/20251016133649.761824.932691