Beneath the Vatnajokull glacier lies the most active volcano in Iceland. Only hours ago, it has erupted again sparking renewed air traffic fears.
The latest Grímsvötn Volcano eruption is reported to be more powerful than its last in 2004. Its previous eruptions in the last 100 years were recorded in 1922, 1933, 1934, 1938, 1945, 1954, 1983, 1998 and 2004. According to a May 21, 2011 article in Ice News, Iceland volcano ‘not Eyjafjallajokull’, Saturday's eruption was expected by volcanologists this year.Ash More Dense, Less Likely To Spread Far
The Icelandic Met Office website reported that ash is falling in the vicinity of the Vatnajokull glacier. This also includes towns of Hofn i Hornafirdi and Kirkjubaerklaustur as well as farmland nearby. The plume is up to 12 miles (20km) high, but the basalt eruption is meant to give the ash a density that will prevent a Eyjafjallajokull-style spreading.Other effects associated with Grímsvötn is glacial flooding. As lava protrudes the Vatnajokull glacier and the ice is melted, water is produced.
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