2025-12-15T00:43:17.581Z-58.7165-25.722894.055manualconfirmedUSGS5.2mb1Origin/20251215010446.759324.26214613Magnitude/20251215010446.759428.262146142025-12-15T00:52:44.408958Z2025-12-15T01:04:48.40868ZSouth Sandwich Islands Regionregion nameOrigin/20251215010446.759324.26214613