Sinabung

A long exposure picture shows molten lava spilling from the crater of Mount Sinabung as seen from Berastepu village in Karo, North Sumatra province, Indonesia, 24 June 2015. Thousands of villagers were evacuated following the weekend eruption of Mount Sinabung in Indonesia's North Sumatra province, with more expected to follow, officials said on 16 June. Mount Sinabung has erupted intermittently since late 2013

Dedi Sahputra/EPA

Molten lava spills from the crater of Mount Sinabung as seen from Berastepu village in Karo, North Sumatra province, Indonesia, on Wednesday

Ash from Mount Sinabung volcano fills the sky over an abandoned church during another eruption in Karo, in Indonesia's North Sumatra province on Friday. Sinabung rumbled back to life in 2013 after a period of inactivity, since when around 10,000 people have had to evacuate their homes

Sutanta Aditya/AFP

Ash from Mount Sinabung volcano fills the sky over an abandoned church during another eruption in Karo, in Indonesia’s North Sumatra province on Friday

In this photograph taken on June 3, 2015...In this photograph taken on June 3, 2015, an Indonesian farmer in Karo district looks at Mount Sinabung volcano spewing smoke and ash. Nearly 3,000 people have been evacuated from their homes after Indonesia upgraded the threat posed by a volcano on Sumatra island to the highest possible level, an official said on June 4, 2015.  AFP PHOTO / SUTANTA ADITYASUTANTA ADITYA/AFP/Getty Images

Sutanta Adita/AFP/Getty

An Indonesian farmer in Karo district watches the Mount Sinabung volcano erupting. Thousands of people have been evacuated from their homes after Indonesia upgraded the threat posed by the volcano on Sumatra island to the highest level.

Mount Sinabung eruption...epa04437808 Mount Sinabung spews hot lava and volcanic ash as it is seen from Karo, North Sumatra, Indonesia, 09 October 2014. Mount Sinabung erupted in the last four days, forcing hundreds of people to flee their home. The 2,460-metre volcano had been dormant for 400 years before it erupted in August 2010.  EPA/DEDY SAHPUTRA

Dedy Sahputra/EPA

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. 

Mount Sinabung spews hot lava and ashes...epa04024301 An Indonesian villager rides his motorcycle past a damaged tree as Mount Sinabung spews volcanic smoke, at Sigarang Garang village in Karo, North Sumatra, Indonesia, 16 January 2014. Thousands of people have been sheltering for months in mosques, churches and government buildings just out of reach of the past months' eruptions of Indonesia's Mount Sinabung. The 2,460-metre volcano had been dormant for 400 years before it erupted in August 2010, forcing more than 30,000 to flee their homes.  EPA/DEDI SAHPUTRA

Dedi Sahputra/EPA

A villager rides his motorcycle past a damaged tree as Mount Sinabung emits volcanic smoke near Sigarang Garang village in Karo, North Sumatra, Indonesia

In this late Thursday, Nov. 28, 2013 photo taken using long exposure, star trails are seen over Mount Sinabung as it spews volcanic ash into the air as seen from Tiga Pancur, North Sumatra, Indonesia. Authorities raised the alert status of the volcano to the highest level on Sunday after it had a series of eruptions.

Binsar Bakkara/AP

This photo, taken using long exposure, shows star trails over Mount Sinabung as it spews volcanic ash into the air as seen from Tiga Pancur, North Sumatra, Indonesia. Authorities raised the alert status of the volcano to the highest level on Sunday after a series of eruptions. 

Indonesian displaced people rest at a sh...Indonesian displaced people rest at a shelter in Karo as Sinabung volcano continues to erupt on November 26, 2013. Several thousand people left their homes overnight, taking the total number of those who have fled since the volcano rumbled to life to around 12,300, said the national disaster agency.

Sutanta Aditya/AFP/Getty

Displaced people rest at a shelter in Karo, Indonesia, as the Mount Sinabung volcano continues to erupt. Several thousand people left their homes overnight, taking the total number of those who have fled since the volcano rumbled to life to about 12,300, the national disaster agency said.

TOPSHOTS This picture taken in Karo on N...TOPSHOTS This picture taken in Karo on November 19, 2013 shows Sinabung volcano spewing volcanic ash and hot smoke in Karo. Mount Sinabung on western Sumatra island, which has been erupting on and off since mid-September, shot volcanic ash around 10,000 metres into the air, according to Indonesia's Mitigation Agency (BNPB) on November 19. AFP PHOTO / SUTANTA ADITYASUTANTA ADITYA/AFP/Getty Images

Sutanta Aditya/AFP/Getty

Mount Sinabung spews volcanic ash and hot smoke in western Sumatra, Indonesia