With a total area of 1,128 km2, which ranks third after Trinidad and Guadeloupe in the string of islands that make up the Lesser Antilles or Windward Islands, Martinique stretches for about 70 km in length, For 30 km of width. The highest point is the volcano of Mount Pelee (1,397 m). Like the rest of the Lesser Antilles, Martinique is subject to the seismic risk (strong seismic hazard): on 29 November 2007 at 3 pm local time, an earthquake of magnitude 7.4 on the Richter scale took place Of the island.
Martinique is generally separated into two distinct zones. On the one hand, an area north of a Fort-de-France axis – Le Robert, which is the most mountainous part of the island, a tropical forest area, and a zone Located to the south of this axis, less rugged, drier.