2026-08-29T07:10:54.01Z-57.4587-25.788789.886manualconfirmedUSGS4.9mb1Origin/20260829072734.009952.56131Magnitude/20260829072734.010025.561322026-08-29T07:27:34.021525ZSouth Sandwich Islands Regionregion nameOrigin/20260829072734.009952.56131