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posted March 11, 2005 12:12 AM         

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Is a Supervolcano on the Way?
10-Mar-2005

There are enough supervolcanoes on Earth to wipe out much of the planet and they may "wake up" much sooner than we thought. Supervolcanoes explode with a force that is thousands of times that of a normal volcanic eruption. Earthquake experts once thought it would take hundreds of thousands of years for the reservoirs of molton rock (called magma) lying beneath a supervolcano to build up enough pressure to cause an eruption, but a new study shows that the time between eruptions can actually be only tens of thousands of years, meaning many of them are long overdue.
The Journal of Petrology reports that an eruption from a supervolcano can be strong enough to cause change the world's climate enough to cause a mass extinction, due to the large amounts of ash that would be thrown up into the atmosphere. One of these temporarily dormant volcanoes lies beneath Yellowstone National Park in Wyoming. The last time it erupted, over 600,000 thousand years ago, half the North American continent was covered in volcanic ash.

Exactly how long does it take for the enough magma pressure to build up beneath a supervolcano to cause it to erupt? The answer: around 40,000 years, which may seem like a long time to us but is a blink of the eye in geologic time. A super eruption is five to 10 times more likely to happen than an asteroid impact. Scientists now know that the magma reservoir underneath the Yellowstone supervolcano has risen 19 inches, which is evidence that pressure is building.

Paul Rincon writes in BBC news that geologist Stephen Self wants to set up an emergency contingency plan to prepare for the eruption of a supervolcano. The super-eruption that struck Sumatra 74,000 years ago may have taken the human race to the edge of extinction by blacking out the sun and causing a "volcanic winter." DNA studies show that the number of humans on the Earth dropped to about 10,000, probably as a result of climate change.
http://www.unknowncountry.com/news/?id=4463

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posted March 12, 2005 10:51 AM         

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"Never mentally imagine for another that which you would not want to experience for yourself, since the mental image you send out inevitably comes back to you." Rebecca Clark

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posted March 12, 2005 03:46 PM         

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yeah yeah yeah

i live in Yellowstone Natl Park, on top of a supervolcano....

if it happens, it happens... theres not a whole lot i can do about it... for that matter, theres not a lot the human race can do about it...

MK

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posted March 13, 2005 04:12 AM         

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Uh yep. That's right.

I was just reading another article on it and they understand that this is one thing they can do nothing to stop and we are long over due for a super eruption. And it will happen it's only a matter of time. So task forces are being set up to figure out options and possible plans on how we will deal with the after effects.

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posted March 14, 2005 08:49 AM         

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Dr. Evil tried to make all the volcanoes explode, but I thought it was just fiction.

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"Never mentally imagine for another that which you would not want to experience for yourself, since the mental image you send out inevitably comes back to you." Rebecca Clark

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posted March 14, 2005 12:17 PM         

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He did??? Tell me more!

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posted March 14, 2005 12:56 PM         

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I tell you what, Taurus26, u r a HOOOT!!!!

I am on the east coast of USA, not to many volcanos over here I don't think.

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posted March 16, 2005 04:46 PM         

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Thanks bluemoon. I try to keep em laughin. But I think I just keep alot of em groaning. LOL!

Ah well. Cant tickle everyone's funny bone.

Glad I make you laugh.

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posted March 17, 2005 09:49 AM         

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*grin*

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"Never mentally imagine for another that which you would not want to experience for yourself, since the mental image you send out inevitably comes back to you." Rebecca Clark

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posted March 18, 2005 05:39 AM         

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*tickle tickle*

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From: Missouri-Misery
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posted April 06, 2005 03:02 PM         

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I watched a special a few months ago on Yellowstone. The caldera is so massive one cannot see all of it even from a plain. A geologist did a survey of Yellowstone, and found the ground is shifting rapidly, that is, more than likely magma is being pushed upward. And yes 26T, our mitochondrial DNA shows a record that we almost become extinct, roughly the same time as the last Yellowstone eruption. Hmm, maybe that's why our world's leaders are letting things go to hell in a handbasket....

Have a nice day!

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posted April 07, 2005 01:20 AM         

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Wow, that's fascinating whalewasp. A little scary too. I wouldve liked to have seen that special. It seems as though it's just a matter of time before the next eruption and they say it's long overdue. I wonder what the task force has come up with so far for the emergency contingency plan.....really gets you thinking doesnt it?

You have a nice day too!

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posted April 07, 2005 07:52 PM         

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April 10, this sunday, Discovery Channel is going to show the BBC special movie "Supervolcano" a look at what happens if the caldera blows.

Being that i live in Yellowstone, as well as all my friends, the local bar is having a big party and showing the movie. its going to be awesome to see the Old Faithful Inn blow up. i cant wait. i love diaster of the week movies...

we have even been coached in reservations as to what to say when ppl call in... because we will get an onslaught of calls from ppl who are coming here this season to visit.

fun stuff....

MK

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posted April 08, 2005 10:27 AM         

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"Never mentally imagine for another that which you would not want to experience for yourself, since the mental image you send out inevitably comes back to you." Rebecca Clark

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posted April 09, 2005 10:14 AM         

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What time is that show?

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"Never mentally imagine for another that which you would not want to experience for yourself, since the mental image you send out inevitably comes back to you." Rebecca Clark

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posted April 10, 2005 08:29 PM         

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I missed it.

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"Never mentally imagine for another that which you would not want to experience for yourself, since the mental image you send out inevitably comes back to you." Rebecca Clark

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posted April 10, 2005 11:44 PM         

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its on again right now.... encore performance.. i would have told you sooner but the site was down........

MK

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posted April 11, 2005 09:17 AM         

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Missed it.

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"Never mentally imagine for another that which you would not want to experience for yourself, since the mental image you send out inevitably comes back to you." Rebecca Clark

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posted April 11, 2005 07:22 PM         

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That sounds like alot of fun!
How was the show MK?

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posted May 13, 2005 09:59 PM         

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I'm scared

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posted May 13, 2005 10:21 PM         

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Try not to be scared Tranquil. Fear feeds off of fear. And it will not help you in any way.

Take a look at these links if you havent already. They may make you feel a little better.
http://www.linda-goodman.com/ubb/Forum2/HTML/001217.html
http://www.linda-goodman.com/ubb/Forum2/HTML/001298.html
http://www.linda-goodman.com/ubb/Forum2/HTML/001212.html

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posted May 14, 2005 03:50 PM         

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What 26 said.

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"There is no use trying," said Alice; "one can't believe impossible things." "I dare say you haven't had much practice," said the Queen. "When I was your age, I always did it for half an hour a day. Why, sometimes I've believed as many as six impossible things before breakfast." Lewis Carroll

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posted May 15, 2005 08:42 AM         

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The Sci Fi Channel is showing a disaster movie about this called Descent.

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"There is no use trying," said Alice; "one can't believe impossible things." "I dare say you haven't had much practice," said the Queen. "When I was your age, I always did it for half an hour a day. Why, sometimes I've believed as many as six impossible things before breakfast." Lewis Carroll

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posted July 20, 2005 01:09 AM         

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..

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