Mount Sinabung volcano spews thick volcanic ash in Karo, North Sumatra province on August 31, 2016.
Many residents in the area have been forced to relocate to other villages of northern Sumatra located at a safer distance from mount Sinabung volcano, one of most active in Indonesia. (Photo by Tibta Pangin/AFP Photo)





A dirty thunderstorm occurs over Mount Sakurajima as the volcano erupts violently at 12:03 am on July 26, 2016 in Tarumizu, Kagoshima, Japan. The eruption occurred at the mountain's Showa crater. This is the first time that the active volcano in southern Kyushu has spewed out a smokestack that high since an eruption on August 18, 2013, according to the Kagoshima Meteorological Office. (Photo by The Asahi Shimbun via Getty Images)





The Villarrica Volcano is seen at night in Chile, April 17, 2016. Villarrica is one of Chile's most active volcanoe. (Photo by Cristobal Saavedra/Reuters)





In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 14, 2016. Mount Bromo lies within Bromo-Tengger-Semeru National Park, a huge caldera containing several volcanoes. (Photo by Bay Ismoyo/AFP Photo)





Italy, Sicily, Lava flow from stromboli volcano, 2016. (Photo by Alamy Stock Photo)




Villarrica volcano is seen at night in Chile, April 25, 2016. (Photo by Cristobal Saavedra/Reuters)





In this photo taken from Probolinggo in Indonesia's East Java province, Mount Bromo spews ashes into the air during a volcanic eruption on July 13, 2016. The volcano spewed a column of ash by up to 1,200 meters into the sky and forced the closing all activities at the nearby Abdurrahman Saleh airport in Malang district, according to local reports stating the national disaster management agency. Bromo lies within Bromo-Tengger-Semeru National Park, a huge caldera containing several volcanoes. (Photo by Bay Ismoyo/AFP Photo)





Villarrica Volcano is seen at night in Pucon, Chile, May 3, 2016. (Photo by Cristobal Saavedra/Reuters)





Villarrica Volcano is seen from Villarrica town, Chile, May 4, 2016. (Photo by Cristobal Saavedra/Reuters)





Villarrica Volcano is seen at night from Villarrica national park in Pucon, Chile, May 4, 2016. (Photo by Cristobal Saavedra/Reuters)





This picture taken on September 11, 2016 shows a molten lava spray after a volcanic eruption from “The Peak of the Furnace” (Le Piton de la Fournaise) in the eastern side of the on the French Indian Ocean island of La Reunion. (Photo by Richard Bouhet/AFP Photo)





The Milky Way is visible as Mount Sinabung erupts at Kampung Dalam village in Karo, Indonesia on July 9, 2016. (Photo Barcroft Images/Xinhua)





Smoke plumes rise from Mount Etna, one of the most active volcanoes in the world in Sicily, Italy on June 28, 2016. (Photo by Etna Walk/Rex Feature/Shutterstock)





A dirty thunderstorm occurs over Mount Sakurajima as the volcano erupts violently at 12:02 am on July 26, 2016 in Tarumizu, Kagoshima, Japan. (Photo by The Asahi Shimbun via Getty Images)





A photograph hanging on the wall of an abandoned house following the eruption of Mount Sinabung in gamber village in Karo, North Sumatra, on August 1, 2016. The building collapsed and personal belongings left behind now serves as a frightening reminder of how life suddenly stopped when the volcano erupted and all the people were forced to leave their homes. (Photo by Ivan Damanik/ZUMA Press/Splash News)