2026-03-20T01:15:54.09Z-61.1312-56.13410manualconfirmedUSGS5.1mb1Origin/20260320013417.537723.329052Magnitude/20260320013417.537785.3290532026-03-20T01:28:00.369895Z2026-03-20T01:34:19.026579ZSouth Shetland Islandsregion nameOrigin/20260320013417.537723.329052