2026-05-02T10:31:50.946077Z-58.29064559936523-27.5858421325683610manualconfirmedIAG5.031846474754127mb1Origin/20260504181015.881831.79251Magnitude/20260504181015.881893.79252earthquakeIAGSouth Sandwich Islands Regionregion nameusp2026inwscontributorID