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
Davao City Ring of Fire, the city has suffered few earthquakes and most have been minor. Mount Apo, 40 kilometers southwest from the city proper, is a dormant volcano. The population of Davao City is according to the . Metro Davao, with the city as its center, had about 2.5 million inhabitants in 2015, making it the third-most-populous metropolitan area in the Philippines and the most-populous city in Mindanao. In 1995, the city's population reached 1,006,840 inhabitants, becoming the first city in Mindanao and the Visayas and the fourth nationwide to exceed one million inhabitants. The city's population increase during the 20th