Gigjokull, a tongue of Eyjafjallajokull
The flat area in front of the glacier once held a lake. This was drained when the volcano under Eyjafjallajokull erupted, infamously, in 2010, resulting in a jokulhlaup (a glacial outburst flood) that blew out out the moraine holding in the lake.
Canon EOS-1D X, f/5 @ 73 mm, 1/1000, ISO 200, No Flash
T.Michael Redmond