EXCLUSIVE: Interview With USGS Yellowstone Scientists, page 2
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reply posted on 13-3-2004 @ 08:04 PM by TheDarkFlame
Thats it for this one.



reply posted on 19-3-2004 @ 07:38 AM by Spectre
I had previously signed up for the Beta Google News Alerts service so I could be informed when any ATSNN stories that get referenced on Google News "as it happens." This morning I got a message "alerting" me to the fact that Slashdot picked up this interview a week ago. Better late than never I suppose.



reply posted on 2-6-2004 @ 01:49 PM by 0951
From the BBC website today (2nd June 2004):

"Quake unblocked distant geysers" -
news.bbc.co.uk...

"A major earthquake in Alaska in 2002 set off lots of smaller quakes in the Yellowstone National Park more than 2,000 miles away, say scientists.
Within hours geysers in the park changed their eruption patterns, according to the journal Geology.
Researchers believe that earthquakes keep geysers alive by periodically shaking loose clogged channels. "

< -- etc -- >

Sorry if this has already been covered elsewhere - or if this is the wrong place ... (but I can't post in 'Yellowstone research').

It may not add anything new - or it may be of use to someone.

Oops: sorry - reading below, makes note to self: "must use ATS search function more frequently"

[Edited on 2-6-2004 by 0951]


reply posted on 11-6-2004 @ 01:30 PM by Leveller
Originally posted by quaternary
The Yellowstone Supervisory Geologist totally got this question WRONG:

Q: Concerning the radius for damage if the supercaldera were to erupt, is there a contingency plan in place for a defined area around Yellowstone? If so, what is it and what are the parameters of the defined area?

He avoided the question by citing the expected radius that will be effected by the small, "normal" eruptions and then saying "the supposed radius of damage you quote is only for an extremely unlikely kind of volcanic eruption".




From what I am led to understand, the magma chamber is approximately 72km across. If an eruption in the magnitude of the type which occurs in 600,000 year intervals occurs, it won't matter what contingency plan is in place.
The last eruption was calculated to be 1000 times as big as Mount Saint Helens and it is possible that one previous eruption could have been 8000 times as big. The fallout zone for this sort of eruption would be 1000s of kilometres. Previous eruptions have covered California to a depth of 6 metres and New York State to 20 metres. What sort of contingeny plan do you think can be put into place for that?

Contingency plans can only be put into place for small eruptions. Even then, it has to be said that vulcanologists don't exactly have the best record in the world for predicting eruptions. Mount Saint Helens was bubbling away for 2 months and it still took 99% of them by suprise.

Contingency plans for a large eruption would be a waste of time. If it blows, it blows - there is nothing that anyone will be able to do about it.



reply posted on 8-9-2004 @ 02:09 AM by bodebliss
Yellowstone is not just a caldera it's a high mantle hotspot. Not a deep mantle hotspot like Hawaii. It still stays in one spot as the North American Plate moves over it.The Yellowstone Hotspot has been moving N.E. since 16.5ma. Link shows all:
volcanoes.usgs.gov...

It started it's journey about the same time as the Columbia Basin Basalts took place and the general uplift of the west coast.The papers I've read seem to say they're all connected w/ the rapid stretching of the earth's crust in that area.

Bode


[edit on 9/8/2004 by bodebliss]
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