The name of Mt. Krafla was extended over the high temperature area after the geothermal
power station was built in 1974. The colourful mountain Leirhnjukur is situated at the
southern end of the 40 km long and 15 km wide eruptive area, Gjastykki, which erupted 9
times between 1974 and 1984. The average depth of the boreholes feeding the power station
is 2000 m. They are lined with pipes down to 700 - 1000 m to prevent cave ins. The steam
pressure from the separators in the gray building equals 7,7 bars when it is pipelined to
the generators in the red building. The output is about 60 MW and the power station is
directly connected to the national grid and the diatomite factory closer to lake
Myvatn. At the
onset of the so-called Myvatn Fires 1724 -1729 the explosion crater Viti
(Hell) was created.
Because of the latter
Myvatn Fires 1975 - 1984 and the plate tectonics the boreholes caved in and
prevented the operation of the power station until
1979. East of it and south of Mt. Krafla is the obsidian
ridge Hrafntinnuhryggur. The Krafla- and Leirhnjukur areas
offer various hiking possibilities through unique and
unbelievable landscapes. |

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