2025-11-16T00:00:13.694Z-55.3578-27.509225.483manualconfirmedUSGS5mb1Origin/20251116002917.063432.20860654Magnitude/20251116002917.063514.208606552025-11-16T00:18:41.10523Z2025-11-16T00:29:17.075846ZSouth Sandwich Islands Regionregion nameOrigin/20251116002917.063432.20860654