On 20 March 2010 the Eyjafjallajökull volcano in southern Iceland occurs in volcanic eruptions. The second eruption eruption occurred on 14 April 2010, it is called The Great 2010 volcanic eruption in Iceland. The eruption soaked up the mixed lava that covered the northern sky of Europe. Inverted aircraft communication
The second eruption was not so strong. It took place in the center of a small glacier. As a result, there was plenty of snow in the glaciers, and many silicates came out. Those lamps were spread along with smoke in different directions.
This picture is taken from the smoke coil during the second volcanic eruption. Illuminated area is illuminated.