Námafjall Geothermal Area – Hverir

The background noise is fumarola, or volcanic exhalation, which usually occurs on active volcanoes. There are several of them in the Námafjall geothermal area. Gases are released from the fumaroles, mainly sulfur dioxide – which causes the yellow color around the fumaroles – and hydrogen chloride. In addition, water vapor, the temperature of which can […]