Geo Center

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» The China Earthquake
Wed May 14, 2008 2:44 pm by Nevyn

» Google strangeness
Wed May 14, 2008 2:35 pm by Nevyn

» Chaiten volcano
Wed May 14, 2008 7:58 am by Galrion

» Name that Gemstone, mineral or fossil game
Thu May 08, 2008 7:41 pm by Geoepicenter

» Treasures in a Cave
Wed Apr 30, 2008 7:51 am by Galrion

» Last Person to Reply Wins!
Wed Apr 30, 2008 7:49 am by Galrion

» How's Your Weather Today?
Wed Apr 30, 2008 7:47 am by Galrion

» Bots?
Tue Apr 29, 2008 7:46 am by Nevyn

» Herkimer diamonds
Sun Apr 27, 2008 4:44 pm by Nevyn

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Chaiten volcano

Mon May 05, 2008 12:11 pm by Nevyn

http://news.bbc.co.uk/1/hi/world/americas/7381652.stm
http://www.telegraph.co.uk/news/1927588/Chile
http://news.sky.com/skynews/article/0,,30200-1314939,00.html

I find it quite amusing reading these news articles and seeing the range in time that they say it was since the volcano last erupted.
The range I found was 450 years to 9,000 years.

The pi...

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Super volcanoes

Thu Apr 10, 2008 8:20 pm by Galrion

Browsing wikipedia and found some articles relating to the definition of a supervolcano.
http://en.wikipedia.org/wiki/Supervolcano
http://en.wikipedia.org/wiki/Large_igneous_province
I dread to think what the consequences would be of such an eruption.

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Yellowstone supervolcano

Sat Mar 15, 2008 11:34 pm by Nevyn

I've found some info on the supervolcano, Yellowstone, which appeared in '10 things you didn't know about Volcanoes' by Iain Stewart.
http://en.wikipedia.org/wiki/Yellow_Stone#Geology
http://en.wikipedia.org/wiki/Yellowstone_Caldera
http://en.wikipedia.org/wiki/Geothermal_areas_of_Yellowstone
This is now on my list of Geological places to visit.

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An Aftermath Recall

Fri Mar 14, 2008 3:03 am by mcar

It was a great disaster during that early 90s when Mt. Pinatubo erupted to a great extent. I was a witness to that great eruption and had seen how a province was almost erased in the Philippine map.

Here's Pinatubo, peaceful and calm as it may seem.


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Fossil Falls Northern Ca

Sat Feb 23, 2008 11:29 pm by Geoepicenter

I thought I would share a photo I shot at Fossil Falls in No. Ca, What you are looking at is a magma flow that once flowed over glacial ice many moons ago, and as the frozen tundra was enveloped by molten basaltic rock, the ice began to boil in a circular fashion thus creating these cylindrical patterns in the rock.



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Calderas near Bishop Ca.

Sun Feb 24, 2008 4:15 am by Geoepicenter

While touring the geology of Northern Ca, we stopped to see a few extinct calderas.



The same shot from Google Earth



It may be intersting to note that I learned about these remnance of a volcanic past by simply searching Google Ear...

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