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Originally posted by geogeek
and U guys should also keep an eye on Long Valley Caldera in California, like i said before, deformation went through some kind of "inflection event" about 2 months ago .. and now we are starting to have earthquakes again on the "resurgent dome" .. Long Valley Caldera ain't that much smaller than Yellowstone ...
AND IT HAS ERUPTED in the last 600 years, and MAYBE ONLY 150 Years ago
Originally posted by geogeek
reply to post by Mushussu
"don't forget to check for deformation changes
i say trust the professionals on Yellowstone website wrt their plots, rather than **jumping/freaking** on a possibly "outlier" GPS measurements ..."
I do not think you understand what I have been saying
or clued in to my back ground.
I shouted out the deformation way back and I have the capabilities to track it.
Further more I do not jump or freak. Check my thread or any who have posted with me.
I asked for those thoughts outside of your graph reading.
Thats all.
Originally posted by MoronMan
Nothing to see here people. It's just the wind! Move along please.
No really, Who has the scientific information, (historic back ground on supervolcanos)..........NO ONE!!!!!
Originally posted by PuterMan
reply to post by startx.jeff
As of a few minutes ago there had been 99 eqs today 1.0+ of which 54 were located in the California/Montana/Yellowstone regions.
Half the recorded eqs in the world!
[edit on 9-1-2009 by PuterMan]
Originally posted by rigel434
My concern with the recent events in Yellowstone is that we are seeing movement of magma at a fairly steady rate to the NNE, and that we are only seeing earthquakes when that magma reaches pre-existing areas of instability. My concern arises from the fact that, if you look at the seismic map of the Yellowstone area, there's a huge area of faults about 10 miles NNE of where the current earthquakes are.
If this is magma on the move, what's it going to do when it arrives at this area of extensive faults?
[edit on 9-1-2009 by rigel434]
Originally posted by alysha.angel
Originally posted by geogeek
reply to post by Mushussu
don't forget to check for deformation changes ... its equally or even more important than earthquakes ... problem is u need a week or so of GPS data to be sure U have enough statistics to see a trend line change (i think error bars are +/- about 4 mm, or so, and probably depends on current GPS constellation @ time of reading) .. i say trust the professionals on Yellowstone website wrt their plots, rather than jumping/freaking on a possibly "outlier" GPS measurements ...
and U guys should also keep an eye on Long Valley Caldera in California, like i said before, deformation went through some kind of "inflection event" about 2 months ago .. and now we are starting to have earthquakes again on the "resurgent dome" .. Long Valley Caldera ain't that much smaller than Yellowstone ...
AND IT HAS ERUPTED in the last 600 years, and MAYBE ONLY 150 Years ago
[edit on 9-1-2009 by geogeek]
[edit on 9-1-2009 by geogeek]
that last eruption at long valley was a single vent event but it would be scary as hell if both blew at the same time. i got a daughter in cali
Originally posted by rigel434
My concern with the recent events in Yellowstone is that we are seeing movement of magma at a fairly steady rate to the NNE, and that we are only seeing earthquakes when that magma reaches pre-existing areas of instability. My concern arises from the fact that, if you look at the seismic map of the Yellowstone area, there's a huge area of faults about 10 miles NNE of where the current earthquakes are.
If this is magma on the move, what's it going to do when it arrives at this area of extensive faults?
[edit on 9-1-2009 by rigel434]
Originally posted by rigel434
This article is interesting because an independent geologist comes right out and says he thinks the quakes are caused by magma movement.
www.localnews8.com...
YELLOWSTONE NATIONAL PARK - Some pretty interesting things have been happening at Yellowstone National Park since December 26. Over the last week, geologists have recorded more than 400 small earthquakes. Quakes in that number are called an earthquake swarm.
For a quake to do damage it has to be at least a 4.0 magnitude. None of the recent Yellowstone earthquakes have, but every one has happened in the same spot underneath Yellowstone Lake.
Robert Clayton has taught geology at Brigham Young University-Idaho for six years.
"When there's something really interesting happening, I post it on my office door so everyone can see," said Clayton.
Things are definitely interesting right now.
"That's quite a number of earthquakes," said the excited geologist. "The ones in bold type are of greater magnitude."
The incredibly long list represented 400 or more earthquakes that have happened under the lake.
"We think it's where more magma heat and steam escaped through cracks in the crust," said Clayton. "That's probably what's causing the earthquakes."
He said the last time Yellowstone saw this kind of activity was close to 20 years ago.
"What's interesting about this earthquake swarm is that it's in a very large and active volcano," described Clayton.
The professor has been monitoring the quakes through Yellowstone's website and BYU-Idaho's own seismograph machine. Although the U.S Geological Survey and the University of Utah -- two organizations responsible for monitoring the quakes -- haven't given an official explanation yet, Clayton has his own theory.
"It's probably a little bit of magma moving through fractures. There's also a lot of ground water under Yellowstone and some of the shallower earthquakes may be steam explosions and fractures underground,' said Clayton. "Those can have quite a force and send out shock waves that we record as earthquakes."
Originally posted by Amaxium
Originally posted by rigel434
My concern with the recent events in Yellowstone is that we are seeing movement of magma at a fairly steady rate to the NNE, and that we are only seeing earthquakes when that magma reaches pre-existing areas of instability. My concern arises from the fact that, if you look at the seismic map of the Yellowstone area, there's a huge area of faults about 10 miles NNE of where the current earthquakes are.
If this is magma on the move, what's it going to do when it arrives at this area of extensive faults?
[edit on 9-1-2009 by rigel434]
I am not a geologist yet, but I would think the magma would first fill in any empty space for the fault down first (because of gravity) then continue up towards the surface along the weakest point eventually punching through (this is called eruption).
Originally posted by operation mindcrime
reply to post by JustMike
I'm done with posting here
Originally posted by beefytee
any idea what the rate of movement is? At the current rate when would the magma arrive in the fractured area?
I am not a geologist yet, but I would think the magma would first fill in any empty space for the fault down first (because of gravity) then continue up towards the surface along the weakest point eventually punching through (this is called eruption).