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
Inch Island Inch Island Inch Island () ) is an island in Lough Swilly, County Donegal, Ireland. The island is around 5 square miles (13 square kilometres) in area. It lies off the Donegal coast near Burt and the start of the Inishowen peninsula; Inch island is connected to the mainland by a causeway road. The island's highest hill is at 222 m. The table reports data taken from "Discover the Islands of Ireland" (Alex Ritsema, Collins Press, 1999) and the Census of Ireland. The remains of a portal tomb with a nearby burial chamber probably constructed using parts of the original