Katla

05/11/2011 16:44

 

Katla is an Icelandic volcano. It lies north of the southernmost village asked in Iceland Vik in Myrdal and east of the smaller glaciers Eyjafjallajökull. Reaching its peak height of 1512 meters is partly covered with heavy hail Mýrdalsjökull thickness from 200 to 700 m and area of ​​595 km2. Volcanic crater has a diameter of 10 km.

The eruption occurs about every 40 to 80 years. There are mostly freatomagmatické outbursts, as a result of contact with a hail of lava usually produces so. jökulhlaupy, that suddenly floods. The last major eruption was in 1918. Perhaps there was still a minor eruption in 1955, but it neprerazila glacial sheet. Since a total of 930 16 to 20 documented eruptions. Katla is the source of pyroclastic flows, so called. tefry (approximately 6 to 7 cubic kilometers).

Katla has shown signs of unrest since 1999. Geologists are concerned that the eruption may occur anytime in the near future. The activity of the volcano is under constant surveillance, especially after the eruption Eyjafjallajökull glacier lying under the same name in March and April 2010. Eruption of the volcano near between geophysics raise concerns that could trigger the eruption of the volcano Katla