2026-06-16T17:13:06.982779Z-55.99544906616211-25.9472465515136710manualconfirmedIAG4.942714072488039mb1Origin/20260616183758.420886.51629Magnitude/20260616183758.420951.51630earthquakeIAGSouth Sandwich Islands Regionregion nameusp2026lsppcontributorID