BBC article - The eruption that changed Iceland forever
Posted by
CypressTX on 4/16/2010, 7:54 am
http://newsvote.bbc.co.uk/mpapps/pagetools/print/news.bbc.co.uk/2/hi/uk_news/magazine/8624791.stm?ad=1 (full article)
By Tom de Castella
(1st section of article)
A volcanic eruption in Iceland is continuing to ground flights in the UK and Europe, but 227 years ago a far more devastating eruption occurred wiping out a fifth of the island's population - as well as tens of thousands across Europe.
On 8 June, 1783, the young country of Iceland - inhabited for just 750 years - had a population of 50,000. In the coming years, as a result of what began that Sunday morning at 9am, 10,000 of those people would die.
The Laki eruption is the worst catastrophe in the country's relatively short history. Laki is a volcanic system in the same south-eastern part of Iceland where this week's eruption took place. But that's where the similarities end.
Back in 1783 it was ripped open with such force that a huge fissure produced scores of boiling craters. Over the next eight months the Lakagigar - literally "craters of Laki" - spewed 600 square kilometres of boiling lava into the surrounding countryside and belched more toxic gases than any eruption in the last 150 years. The effects were felt all over the northern hemisphere.
It is the second greatest eruption of the last 1,000 years, behind only the 1815 eruption of Mount Tambora in Indonesia, says Stephen Self, visiting professor of Volconology at the Open University.
Laki's output of sulphur dioxide dwarfs the 1990 eruption of Pinatubo in the Philipinnes, which is famous for halting global warming for several years. While that eruption produced 17 mega tonnes of sulphur dioxide, Laki was pumping the same amount out every three days at its peak, says Self. He estimates Laki's power was over 100 times greater than the current eruption.
"The 1783 eruption pumped out so much sulphur gas, creating a huge cloud of sulphuric acid droplets which began to drift over Europe travelling eastwards over the whole world," he says. |
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In this thread:
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JAC,
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- BBC article - The eruption that changed Iceland forever - CypressTX, 4/16/2010, 7:54 am
- radar image of 3 craters Apr 15th - CypressTX, 4/16/2010, 7:36 am
- Ash may ground European flights for days - JAC, 4/16/2010, 7:26 am
- hate to be self centered - BobbiStorm, 4/16/2010, 5:35 pm
- possibly? - CypressTX, 4/16/2010, 7:30 pm
- thanks - BobbiStorm, 4/17/2010, 10:53 pm
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- Re: New Swarm under Eyjafjallajokull - Nearby Towns being Evacuted - BobbiStorm, 4/15/2010, 10:25 am
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