2026-02-17T03:36:40.212087Z-57.43364715576172-30.16016578674316410manualconfirmedIAG5.582581795400234mb1Origin/20260219151924.881863.68530Magnitude/20260219151924.881927.68531earthquakeIAGSouth Sandwich Islands Regionregion nameusp2026diducontributorID