The eruptions started on Saturday (September 15) in the early morning.
After walking about six kilometres (3.7 miles) to a view point, and braving nocturnal temperatures that can drop to zero degrees Celsius, hikers were treated to a spectacle of lava fountains, some spurting as high as 30 metres (100 feet), on Reunion island.
One of the most active volcanoes in the world and a tourist attraction on the island, the Piton de la Fournaise rises to 2,000 metres (6,560 feet).