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readytotaxi
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Oh No, Another Iceland Volcano! Well Perhaps.

Fri Dec 02, 2011 5:00 pm

http://www.bbc.co.uk/news/world-europe-15995845

A very good piece here on the next big thing out of Iceland.

"There have been more than 500 tremors in and around the caldera of Katla just in the last month, which suggests the motion of magma. And that certainly suggests an eruption may be imminent."

"All they know is that Katla usually erupts every 40 to 80 years, which means the next significant event is long overdue."

Now I know that Eyjafjallajokull had the weather in its favor and was classed as a minor event but it seems this one could be a big daddy.
At least it will take our minds off the Euro Crisis.  
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airportugal310
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RE: Oh No, Another Iceland Volcano! Well Perhaps.

Fri Dec 02, 2011 6:14 pm

Quoting readytotaxi (Thread starter):
Now I know that Eyjafjallajokull had the weather in its favor and was classed as a minor event but it seems this one could be a big daddy.

If that was minor for the aviation world, I dont even want to see what something major looks like!
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RobK
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RE: Oh No, Another Iceland Volcano! Well Perhaps.

Fri Dec 02, 2011 6:25 pm

Katla isn't under a glacier so even if it does blow it's unlikely to cause anywhere near the disruption that Eyja' did. The problem with Eyja' was the lava hitting the glacier ice that caused a shitload of ash.

Bit of a scare-mongering non-story really.
 
eaa3
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RE: Oh No, Another Iceland Volcano! Well Perhaps.

Fri Dec 02, 2011 6:49 pm

Quoting readytotaxi (Thread starter):
http://www.bbc.co.uk/news/world-europe-15995845

A very good piece here on the next big thing out of Iceland.

"There have been more than 500 tremors in and around the caldera of Katla just in the last month, which suggests the motion of magma. And that certainly suggests an eruption may be imminent."

"All they know is that Katla usually erupts every 40 to 80 years, which means the next significant event is long overdue."

Now I know that Eyjafjallajokull had the weather in its favor and was classed as a minor event but it seems this one could be a big daddy.
At least it will take our minds off the Euro Crisis.

No worries. Although there is no reason to think that this volcano will erupt in the next weeks it is nonetheless overdue and has been showing signs that it is ready to erupt.

As a matter of fact it had a very small eruption this summer that didn't breach the glacier above. It did however cause a small flood that destroyed a crucial bridge. It simply carried it away. The bridge was built in a way so that full eruption would destroy the bridge. However the authorities did not expect a flood that was not Amazon like in size. This was probably only a hundredth of the size of a full Katla flood. It did however carry a bridge away in it's entirety.

http://www.youtube.com/watch?v=OQBozMUy_Lw
http://www.youtube.com/watch?v=q5gbXbX9OTM

Because this was the only road south of the glacier a large part of Iceland was cut of from the rest. The authorities had to ferry cars and people across.

Within about a week a new bridge was built:
http://bordeyri.blog.is/users/9e/bordeyri/img/20110715-2s7d7727.jpg


Anyway a full Katla eruption would be a big deal.
 
eaa3
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RE: Oh No, Another Iceland Volcano! Well Perhaps.

Fri Dec 02, 2011 6:52 pm

Quoting RobK (Reply 2):
Katla isn't under a glacier so even if it does blow it's unlikely to cause anywhere near the disruption that Eyja' did. The problem with Eyja' was the lava hitting the glacier ice that caused a shitload of ash.

Katla is indeed under a much larger glacier than Eyjafjallajökull. It is also much thicker, or about 700 meters thick.

http://en.wikipedia.org/wiki/Katla_volcano
http://upload.wikimedia.org/wikipedia/commons/7/7c/Location_of_Katlas_caldera.png
 
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Buyantukhaa
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RE: Oh No, Another Iceland Volcano! Well Perhaps.

Sun Dec 04, 2011 2:52 pm

Quoting eaa3 (Reply 4):
Katla is indeed under a much larger glacier than Eyjafjallajökull. It is also much thicker, or about 700 meters thick.

So the disruption would be far greater. I read about the 1785 eruption, not good...
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