Víti is a huge explosion crater, about 300 metres in diameter. The crater was formed during a massive volcanic eruption at the start of the famous Mývatn Fires in 1724. The eruption continued more or less non-stop for 5 years and Víti’s bubbling cauldron of mud boiled for more than a century after that.
(http://www.northiceland.is) Viti Crater, Myvatn, Northern Iceland. Nov. 2011.
3 images from a Canon 5d Mark II on tripod, EF16-35 2.8 L II, Lee 0.9 ND grad filter and circular polariser. Processed with Photomatix, Raw and Photoshop.
1.6, 6 and 25s , f18, iso100, 16mm