Caribbean Plate a subduction zone, the Lesser Antilles subduction zone, where oceanic crust of the South American Plate is being subducted under the Caribbean Plate. Subduction forms the volcanic islands of the Lesser Antilles Volcanic Arc from the Virgin Islands in the north to the islands off the coast of Venezuela in the south. This boundary contains seventeen active volcanoes, most notably Soufriere Hills on Montserrat; Mount Pelée on Martinique; La Grande Soufrière on Guadeloupe; Soufrière Saint Vincent on Saint Vincent; and the submarine volcano Kick 'em Jenny which lies about 10 km north of Grenada. Large historical earthquakes in 1839 and
Basse-Terre Island 16 communes (municipalities). The population density was . The largest city on Basse-Terre Island is the city of Basse-Terre which had 37,455 inhabitants in its urban area at the 2006 census. The city of Basse-Terre is the prefecture (capital) of Guadeloupe. Despite its name, Basse-Terre Island (literally "Low Land" Island, "Down Land" Island) is the highest island of Guadeloupe, rising to above sea level at the Soufrière volcano. The name of the island is the result of French terminology used in the Caribbean in the 17th century. In the Caribbean, the prevailing winds blow from the northeast (see trade wind),