Soufrière

from The American Heritage® Dictionary of the English Language, 5th Edition.

• A volcano, 1,234 m (4,048 ft) high, on St. Vincent Island in the Windward Islands of the West Indies. A violent eruption in 1902 killed more than 1,000 people.
• A volcano, 1,467 m (4,813 ft) high, on southern Basse-Terre Island, Guadeloupe, in the Leeward Islands of the West Indies. It was the site of the first eruption recorded in the West Indies (1660).

from The Century Dictionary.

• noun The French equivalent of solfatara, somewhat current, in English since the volcanic outbreaks in Martinique and St. Vincent in 1902. The word is a common geographical name in the Windward Islands where the French influence either is or has been predominant. It is applied to any expiring volcanic vent. When there is but one on an island it is called La Soufrière.