2026-06-15T22:38:35.118Z-55.383-26.555810manualconfirmedUSGS4.7mb1Origin/20260615232415.190922.107947Magnitude/20260615232415.190996.1079482026-06-15T22:56:00.521876Z2026-06-15T23:24:15.202871ZSouth Sandwich Islands Regionregion nameOrigin/20260615232415.190922.107947