Trekking by the Piton de la Fournaise volcano. The volcano Piton de la Fournaise is located on the island of Reunion in the Indian Ocean. In a very active volcano eruptions that have almost permanently. Emits long lava flows that sometimes reach the sea. The last eruption began in 2006 and continued for years, having produced significant changes at the top. The Piton de la Fournaise is a shield volcano. 2007 Eruption In April 2007 there was a collapse of the caldera of the volcano. The collapse displacing 0.8 x 1.1 km ground floor of 330 m, with a volume of 120 million cubic meters. The collapse of the caldera accompanied one of the largest eruptions of lava at the volcano over the last 100 years. 2006 Eruption An eruption at the volcano began on July 20, 2006. A fissure opened between 2,380 and 2,250 mm in height on the SW flank. Crater Lava flowed E rivals. The August 30, 2006, an eruption began in the summit crater, Dolomieu. A fissure in the crater SSE, followed by a second vent 100 m SE on October 09.