Salka - bókaútgáfa og bókabúð

An eruption that made news - A newsworthy eruption? The Eyjafjallajokull volcano (1,667 m) burst into life on March 20th 2010. A 0.5-km-long fissure opened up at the northeastern flank of the volcano, on the mountain ridge of Fimmvorduhals. On March 24th, scoria and lava erupted from four vents. The basalt lava flowed into nearby canyons, creating spectacular lava falls. Eruptions are known to have occurred in Eyjafjallajokull in 920, 1612 and 1821-1823. On April 7th the absolute height of the main crater, by then inactive, was 82 m. A newer and active fissure contained a few lower crater hills. By April 12th, this phase of the Eyjafjallajokull eruption was over. The lava flow covered an area of 2.0 square kilometers. At 1:15 a.m. on April 14th, Eyjafjallajokull burst open once more. This time, the volcanic fissure cut through the glaciated top crater. The main initial melt-water flood reached the snout of a northern ice fall the same day. Dark clouds of ash and steam rose high above the mountain and were partly carried to mainland Europe. Some 100,000 flights were canceled during the coming week. The eruption was classified as almost a medium-sized event. The ash production lessened and lava flowed in a tunnel in the glacier ice. The ash-fall affected about 1% of Iceland; an area north, east and south of the volcano. On May 5th and 6th, the ash production increased again, and the eruption plume reached 8-9 kilometers into the air. After this, the eruption slowly abated until it came to an uncertain end on May 24th. At the time of publishing this book, more quiet weeks or even months need to pass before geoscientists declare the eruption of Eyjafjallajokull as ended.

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