Volcanic eruption of Bárðarbunga, Vatnajökull National Park, Iceland
At 6591 feet, Bárðarbunga stratovolcano is a second highest point in Iceland. It is located under the icecap of Vatnajökull Glacier. Its last large eruption was in 2014-15 after a swarm of 1600 earthquakes in a 48-hour period.
Canon EOS-1D X, EF70-200mm f/2.8L IS II USM lens, f/2.8 for 1/2000 second, ISO 1000