Vatnajökull (meaning Glacier of Rivers), also known as the Vatna Glacier, is the largest and most voluminous Icelandic glacier, and one of the largest in area in Europe. It is located in the south-east of the island, covering more than 8 percent of the country.

“The Queen” painted fibreglass by artist John Humphreys is displayed backdropped by other works which feature in this year's Summer Exhibition on it's 250th year at the Royal Academy of Arts in London, Tuesday, June 5, 2018. The Summer Exhibition has been held since 1769, with around 1300 works on display this year and most of them available for purchase. It runs from June 12 until August 19. (Photo by Matt Dunham/AP Photo)

“A dirty thunderstorm (also, Volcanic lightning) is a weather phenomenon that occurs when lightning is produced in a volcanic plume. Dirty thunderstorms have been reported in Chile above the Chaiten Volcano, above Alaska's Mount Augustine volcano, and Iceland's Eyjafjallajökull volcano”.

Photo: A cloud of ash pours from Puyehue volcano in southern Chile, at sunset on June 5, 2011. (Claudio Santana/AFP)

An Indian visitor sits on a bike with the wax statue of American actor Tom Cruise at the Madame Tussauds Delhi in New Delhi, India on June 6, 2018. (Photo by Money Sharma/AFP Photo)

Undated handout photo issued by Take a View of the winner of the Adobe Prize of the Landscape Photographer of the Year Awards, The Daymark, Brixham, Devon, England by Will Milner (lives Oxfordshire). Issue date: Monday October 15, 2018. (Photo by Will Milner/PA Wire Press Association)

A person looks on as lava and plumes of smoke rise from a crater of Mount Etna, Europe's most active volcano, Italy on July 15, 2024. (Photo by Giuseppe Di Stefano/Etna Walk via Reuters)

Mount Sinabung releasing volcanic ash, on February 04, 2017 Karo, North Sumatra, Indonesia. (Photo by Albert Damanik/Barcroft Images)

Composite picture of lightning strikes over Colima, Mexico in just 5 minutes on July 14, 2020. These incredible photos show over 50 forks of lightning striking a city in just five minutes – in a storm being dubbed “The Night of a Thousand Forks”. The amazing, panoramic photos over the valley shows the whole sky light up as the forks of lightning strike at different points along the length of the city's 165 square miles. (Photo by South West News Service/Action Press)