2025-07-20T18:41:16.735Z-56.6925-26.9499127.578manualconfirmedUSGS4.9mb1Origin/20250720185924.824646.131523Magnitude/20250720185924.824727.1315242025-07-20T18:53:09.723191Z2025-07-20T18:59:24.835535ZSouth Sandwich Islands Regionregion nameOrigin/20250720185924.824646.131523