2026-03-20T00:22:03.55448Z-61.52249526977539-56.6297874450683627manualconfirmedIAG6.625827187799109Mw(mB)1Origin/20260320142646.723696.179913Magnitude/20260320142646.723783.179914earthquakeIAGSouth Shetland Islandsregion nameusp2026fmnzcontributorID