Grímsvötn volcano in the middle of Vatnajökull glacier is the most active volcano in Iceland. Since 1920 the eruptions have been in 1922, 1933, 1934, 1938, 1945, 1954, 1983, 1998 and 2004. Many of the eruptions have lasted from one to three weeks, the 2004 eruption lasted only four days.
The map shows the location of the Grímsvötn eruption. Source Iceland Met.
Eruptions in Grímsvötn often lead to floods in Skeidará. In 1996 an eruption occurred in an area between Grímsvötn and Bárdarbunga, a mountain in Vatnajökull. The eruption lead to floods that washed away a bridge over a river. The extent was up to 67 cubic kilometers and the flow up to 40 thousand cubic meters per second.
Map of Iceland. Vatnajökull Glacier is the big glacier in the South East.
Read more about Grímsvötn here:
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