Re: Yellowstone Volcano Observatory

2004-01-21 Thread John D. Giorgis
At 04:25 PM 1/18/2004 -0500 Gary Nunn wrote:


In my travels online today, I ran across a reference that took me to
another reference that eventually led me to the Yellowstone Volcano
Observatory home page. There is some very interesting information here
as well as some spectacular pictures and maps. One map in particular
shows the areas of US that were probably covered by Ash from
Yellowstone's last few eruptions over the last 2 million years. I can't
imagine just how catastrophic that would be today:
http://volcanoes.usgs.gov/yvo/figures/fig3.html


Yellowstone Volcano Observatory home page
http://volcanoes.usgs.gov/yvo/index.html

If I recall my Geology classes correctly, there is a very non-zero chance
that pretty much all of Yellowstone National Park could collapse into a
giant caldera within our great-grand-childrens' lifetimes. 

These collapses have occurred periodically throughout geologic history
the remnants of one of those collapses is now Craters of the Moon National
Park in Idaho.

I believe that a similar event is also responsible for having produced
massive floods that once destroyed most of the Eastern half of Washington
State.

JDG
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Re: Yellowstone Volcano Observatory

2004-01-19 Thread Deborah Harrell
--- Gary Nunn [EMAIL PROTECTED] wrote:
 
 In my travels online today, I ran across a reference
 that took me to
 another reference that eventually led me to the
 Yellowstone Volcano
 Observatory home page. There is some very
 interesting information here
 as well as some spectacular pictures and maps. One
 map in particular
 shows the areas of US that were probably covered by
 Ash from
 Yellowstone's last few eruptions over the last 2
 million years. I can't
 imagine just how catastrophic that would be today:
 http://volcanoes.usgs.gov/yvo/figures/fig3.html
 
 Yellowstone Volcano Observatory home page
 http://volcanoes.usgs.gov/yvo/index.html

From the above I clicked to
http://volcanoes.usgs.gov/yvo/new.html

which has a nifty-cool bathymetric relief map of
Yellowstone Lake, and some FAQs about the 'bulging
bottom.'  :)

Yellowstone is utter-gloss to visit -- the geysers are
marvelous, the 'mud-pots' would make Pumba squeal with
joy (that, or cook him!), and the wildlife a
sure-to-see (bison  elk fer sure, and good chance for
moose, pelican, golden eagle or pronghorn).

Debbi
And Don't Forget The Wildflowers Maru

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