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New Icelandic volcano eruption could have global impact

Hundreds of metres under one of Iceland's largest glaciers there are signs of an imminent volcanic eruption that could be one of the most powerful the country has seen in almost a century.
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Icelandic volcano could cause severe flooding scientist warns

Hundreds of metres under one of Iceland's largest glaciers there are signs of an imminent volcanic eruption that could be one of the most powerful the country has seen in almost a century.
Mighty Katla, with its 10km-wide crater, has the potential to cause catastrophic flooding as it melts the frozen surface of its caldera and sends billions of gallons of water surging through the east coast and into the Atlantic ocean.

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Amid simmering speculation, Iceland volcano keeps intentions quiet

Iceland's Katla volcano is always aquiver with seismic activity and local people and scientists have been waiting for an eruption for years - although they probably experienced them this year and in 1999 without even noticing.
There has been increased activity at Katla since early July, when a sharp flood was released from under the Mýrdalsjökull glacier and down the Múlahvísl river, washing a road bridge away; as was widely reported at the time. Katla's unrest has, it seems, entered a new stage, a leading geophysicist says.

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Iceland's Katla volcano is getting restless

Named after an evil troll, Katla has a larger magma chamber than Eyjafjallajokul's. Its last major eruption in 1918 continued more than a month, turning day into night, starving crops of sunlight and killing off some livestock. The eruption melted some of the ice-sheet covering Katla, flooding surrounding farmlands with a torrent of water that some accounts have said measured as wide as the Amazon.
Now, clusters of small earthquakes are being detected around Katla, which means an eruption could be imminent, seismologists say. The earthquakes have been growing in strength, too. After a long period of magnitude 3 tremors, a magnitude 4 quake was detected last week.

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Seismic swarm at Iceland's Katla

Well, Jon Frimann has been noticing this for the past week or so, but the increased seismicity at Iceland's Katla has finally begun to show up in the mainstream media. CBS had a report from the Associated Press about the seismicity at the Icelandic volcano, noting the uptick in small earthquakes under the volcano.
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An earthquake registering 2.6 on the Richter scale occurred in the volcano Katla below the Mýrdalsjökull icecap around 4 pm yesterday. The epicenter was at a depth of approximately three kilometres, 7.7 kilometres north of Mt. Hábunga.
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3.0 Magnitude earthquake on iceland's biggest volcano, Katla

As everyone was waiting for, maybe its nothing but today or rather just a few minutes ago the biggest volcano in Iceland had a rumble. Katla was shaken with a magnitude 3 earthquake.
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Could another Icelandic volcano erupt soon?

As scientists and air travellers alike keep a close eye on Iceland's ongoing volcanic eruption, some reports suggest that another, much bigger, volcano could stir in the near future.
Katla is Eyjafjallajokull's more active neighbour, and scientists believe that there may be a link between the two volcanoes.

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Solheimajokull glacier is part of the ice cap sealing Katla, a volcano 10 times more powerful than neighbouring Eyjafjoell, whose eruption last week clogged Europe's skies with ash and grounded the continent's airlines. If Katla blows up, the current eruption will resemble 'a small rehearsal,' Iceland's president, Olafur Grimsson, warned.
The frightening reputation of Katla is mirrored in a savage landscape of black volcanic ridges, blue ice, and snow swept and hardened by powerful winds. Reaching the glacier requires a four-wheel-drive vehicle, or mountaineering equipment and snowmobiles to go further.

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Should the Icelandic volcano Katla erupt the resulting spread of ash from the eruption column could disrupt air travel in Europe for several weeks.
The disruption to air travel caused by the current eruption in Eyjafjallajökull would pale in comparison with such an eruption, assuming that it was of the same magnitude as the infamous Katla eruption of 1918.

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