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Global Volcanism Program | Image GVP-06052

The Námafjall geothermal area contains mudpots such as these, numerous fumaroles, and extensive areas of hydrothermally altered ground.  Thermal activity keeps the ground warm enough in nearby areas so that there is no risk of frost at night.  Farmers have taken advantage of this natural heat source to grow potatoes in an area of northern Iceland where that would normally not be possible. Photo by Michael Ryan, 1984 (U.S. Geological Survey).

The Námafjall geothermal area contains mudpots such as these, numerous fumaroles, and extensive areas of hydrothermally altered ground. Thermal activity keeps the ground warm enough in nearby areas so that there is no risk of frost at night. Farmers have taken advantage of this natural heat source to grow potatoes in an area of northern Iceland where that would normally not be possible.

Photo by Michael Ryan, 1984 (U.S. Geological Survey).


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