2 separate and large earthquakes have struck the South Shetland islands in the span of a few minutes. They ranged in magnitude from 6.2 to 6.6. The quakes were centered 561 km (348 miles) W of Coronation Island, South Orkney Islands at 60.765°S, 55.858°W. No damage reports have surfaced in this sparsely inhabited region. The first quake, a 6.6 magnitude quake struck at 8:40 AM (EST), the second one was a 6.2 magnitude which occurred at 9:21 AM (EST).