A ‘dirty’ thunderstorm with volcanic lightning, as Italy’s Mount Etna erupts on December 3, 2015. The image was captured by merging five separate images in sequence. #

The Wolf volcano spews smoke and lava on Isabela Island, in this May 25, 2015 photograph provided by the Galapagos National Park. A volcano perched atop one of Ecuador's Galapagos Islands erupted in the early hours of May 25, local authorities said, potentially threatening a unique species of pink iguanas. #

View of the Cotopaxi volcano spewing ashes, from the city of Sangolqui, Ecuador, on August 29, 2015. The volcanic activity began August 14, after 138 years of silence. #

The Villarrica volcano is seen at night in Pucón, Chile, on May 10, 2015. Villarrica, located near the popular tourist resort of Pucon, is among the most active in South America. #

This view taken on January 17, 2015, from a boat at sea shows a frigatebird flying on the thermals from the new vent as steam and gas rise from the eruption of a volcano, some 65 kilometers (40 miles) northwest of the South Pacific nation, Tonga's capital, Nuku'alofa. The Tongan volcano has created a substantial new island since it began erupting in December, spewing out huge volumes of rock and dense ash that has killed nearby vegetation, officials said on January 16. The Lands and Natural Resources Ministry said the volcano was erupting from two vents, one on the uninhabited island of Hunga Ha'apai and the other underwater about 100 meters offshore. #

Ash spews from Mount Sinabung during an eruption as seen from Beras Tepu village in North Sumatra province, Indonesia, on June 29, 2015. More than 10,000 people from 12 villages, who were living around the slopes of Mount Sinabung, left their homes and moved to refugee camps, local media reported. #

A church is dwarfed by Mount Sinabung at the abandoned village of Simacem, North Sumatra, Indonesia, on November 16, 2015. The village is located within an area which, following the eruption of the volcano, has been declared too dangerous to inhabit, forcing its residents to abandon their homes. #

A person looks at the Piton de la Fournaise volcano in eruption on February 5, 2015, in the French Indian Ocean island of Réunion Island. This is the second eruption in the past year at Piton de la Fournaise after 3 years of quiet. #

A helicopter flies overhead as lava flows out of the Piton de la Fournaise volcano as it erupts on May 17, 2015, on the French island of Réunion in the Indian Ocean. #

Lava erupts from the Piton de la Fournaise “Peak of the Furnace” volcano, on the southeastern corner of the Indian Ocean island of Réunion on August 1, 2015. #

The moon rises as molten lava erupts from Piton de la Fournaise, one of the world's most active volcanoes, in this picture taken July 31, 2015, on Reunion Island. #

One of many small breakouts of lava in the Puna region near Pahoa, Hawaii, on January 26, 2015. A lava flow from Kilauea threatened the district of Puna for months, largely slowing in 2015. #

The Momotombo volcano spews a large plume of gas and ash as seen from the rural community of Papalonal, in Leon, Nicaragua, on December 2, 2015. Quiet for many years, the volcano emitted some glowing rock on Wednesday, after gas and ash emissions began the day before. In 1610, the city of Leon was destroyed during an eruption of the Momotombo and was relocated west. #

The Calbuco volcano is seen erupting from Puerto Varas, Chile, on April 22, 2015. The volcano erupted billowing a huge ash cloud over a sparsely populated, mountainous area in southern Chile. #

The Calbuco volcano erupts on April 22, 2015. Due to the eruption of the volcano with a smoke column 20 kilometers high, authorities declared a red alert and ordered the evacuation of around 1,500 inhabitants of Ensenada, Alerce, Colonia Río Sur, and Correntoso towns. #