Caribbean Plate 1843 in this region are possibly megathrust earthquakes. Along the geologically complex southern boundary, the Caribbean Plate interacts with the South American Plate forming Barbados, Trinidad and Tobago (all on the Caribbean Plate), and islands off the coast of Venezuela (including the Leeward Antilles) and Colombia. This boundary is in part the result of transform faulting along with thrust faulting and some subduction. The rich Venezuelan petroleum fields possibly result from this complex plate interaction. The Caribbean plate is moving eastward about 22 millimeters per year in relation to the South American plate. In Venezuela much of the movement between
Wuzhizhou Island Wuzhizhou Island Wuzhizhou Island is located off the coast of Hainan Province, China. This 1.48 square kilometre island is situated within Haitang Bay, approximately 30 kilometres northeast of Sanya, between Nanwan Monkey Island to the north, and Yalong Bay to the south. The Taoist priest Wu Huacun of the Qing Dynasty built a house on the island after arriving in search of a place to create the "elixir of life". The island is 1.48 square kilometres with 5.7 kilometres of coastline, and has an irregular butterfly shape. Over 2,700 plant varieties occur on the island, including exotic flowers and trees