2025-05-21T19:36:11.46Z-56.8127-25.659935manualconfirmedUSGS5.2mb1Origin/20250521201009.762013.53295Magnitude/20250521201009.762105.532962025-05-21T20:09:21.509792Z2025-05-21T20:10:09.773051ZSouth Sandwich Islands Regionregion nameOrigin/20250521201009.762013.53295