Volcanic activity at the Tungurahua volcano in Cotalo, Ecuador, on Thursday. An increase in volcanic activtiy has been seen at the Tungurahua volcano in recent days
Villagers watch as Mount Sinabung releases volcanic material into the air in Tiga Serangkai, North Sumatra, Indonesia. The volcano has spewed hot lava almost daily since its alert status was raised early this month to the highest level. Thousands of villagers whose homes are in the danger zone have been evacuated since then to safer areas.
Molten lava spills from the crater of Mount Sinabung as seen from Berastepu village in Karo, North Sumatra province, Indonesia, on Wednesday
Hot lava flows from the crater of Mount Sinabung as seen from Tiga Pancur, North Sumatra, Indonesia, early Thursday
Mount Etna spits lava as it erupts near Catania, Sicily, Italy, on Friday
Smoke and lava spew from the Villarrica volcano, as seen from Pucon town in the south of Santiago, Chile
Villarrica volcano, located near Villarrica 1200 km from Santiago, in southern Chile, which began erupting on Tuesday forcing the evacuation of some 3,000 people in nearby villages
Lava erupts from the Piton de la Fournaise volcano on the French Indian Ocean island of Réunion. This is the volcano’s second eruption in the past year after three years of quiet
Piton de la Fournaise, erupting near the Dolomieu, Bory and Rivals craters on the French island of Réunion
Lava and clouds of smoke and gases being emitted from a volcano on the island of Fogo, Cha das Caldeiras, Cape Verde
Scorching lava and giant ash clouds spew out as Mount Sinabung volcano erupts, as seen from Karo district in Sumatra island, Indonesia
Mount Sinabung spews lava and volcanic ash in North Sumatra, Indonesia. In the past four days hundreds of people have fled their homes after renewed eruptions. The 2,460-metre volcano, which was dormant for 400 years, began erupting in August 2010.
An aerial photograph shows the eruption of Mount Ontake in central Japan. More than 30 hikers were found dead on Sunday on the mountainside, a day after the eruption sent plumes of smoke hundreds of metres into the sky.
Mount Slamet spews lava and gas during its eruption as seen from Pandansari village in Brebes, Central Java, Indonesia
An aerial picture shows lava flowing out of the Bardarbunga volcano in southeast Iceland. The Bardarbunga volcano system has been rocked by hundreds of tremors daily since mid-August, prompting fears the volcano could erupt. Bardarbunga, at 2,000 metres (6,500 feet), is Iceland’s second-highest peak and is located under Europe’s largest glacier, Vatnajoekull.
Smoke rises as lava flows from the crater of Mount Slamet volcano, as seen before dawn from Brebes town in Indonesia‘s Central Java province on Friday
Lava fountains spew out at the site of a fissure eruption near Icelands Bardarbunga volcano
Lava spewed by the Tungurahua volcano can be seen from the city of Banos, Ecuador. An orange alert was issued by the volcanic activity of the Tungurahua
Cris Toala Olivares/Reuters
The Tungurahua volcano, as seen from the city of Huambalo, Ecuador
Mount Sinabung volcano spews hot ash and lava in Karo on Tuesday.