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Author Topic: Yellowstone - the new study findings  (Read 1779 times)

space otter

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Yellowstone - the new study findings
« on: April 23, 2015, 06:38:57 PM »

wow and Idaho with all that nuclear waste..if Yellowstone blows no need to duck..we're done   :(




http://www.msn.com/en-us/weather/topstories/hot-times-at-yellowstone-huge-magma-chamber-found-deeply-buried/ar-AAbzWse


Hot times at Yellowstone: huge magma chamber found deeply buried



Reuters   
Will Dunham    7 hrs ago

Deep beneath Yellowstone National Park, one of the world's most dynamic volcanic systems, lies an enormous, previously unknown reservoir of hot, partly molten rock big enough to fill up the Grand Canyon 11 times, scientists say.

Researchers on Thursday said they used a technique called seismic tomography to a produce for the first time a complete picture of the volcanic "plumbing system" at Yellowstone, from the Earth's mantle up to the surface.

Yellowstone, which straddles the borders of Wyoming, Idaho and Montana, and boasts a remarkable array of geothermal features including geysers, mudpots, steam vents and hot springs, sits atop a supervolcano that has had three calamitous past eruptions.

Scientists already knew of a large magma chamber under Yellowstone that fed the eruptions 2 million, 1.2 million and 640,000 years ago. The new study, published in the journal Science, revealed a second, deeper reservoir 4.5 times larger.

"The existence of the second magma chamber does not make it any more or less likely that a large volcanic eruption at Yellowstone will occur. These findings do not change the current volcanic hazard at Yellowstone," University of Utah seismologist Jamie Farrell said.

"However, these new findings do provide us, and other researchers, the information needed to gain a better understanding of how magma moves from the mantle to the surface," Farrell added.

University of Utah geology and geophysics professor Fan-Chi Lin said the blob-shaped lower magma reservoir in Earth's lower crust is located 12 to 28 miles (20-45 km) under Yellowstone, with a volume of 11,500 cubic miles (46,000 cubic km), or 11.2 times the volume of Arizona's Grand Canyon.

This magma chamber is filled with hot, mostly solid and sponge-like rock with portions of molten rock within it. The researchers said about 2 percent of it is completely molten.

The upper and lower magma chambers sit above a "plume," or upwelling, originating in Earth's mantle about 40 miles underground and transferring hot materials toward the surface.

Scientists had previously suspected a lower magma chamber existed, but until now had been unable to confirm it.

The researchers said the technique they used, seismic tomography, is analogous to a CT scan of the body, using seismic waves as they travel through the Earth to image the subsurface, distinguishing between rock of various densities.

They also combined both local and distant earthquake measurements to image Yellowstone's complete magma system. (Reporting by Will Dunham, editing by G Crosse)

Offline zorgon

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Re: Yellowstone - the new study findings
« Reply #1 on: April 24, 2015, 11:16:48 AM »
Yeah It's not if it blows but WHEN it blows

As long as the Geysers are on schedule we are okay  If the Geysers stop  kiss yer butt goodbye


Offline zorgon

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Re: Yellowstone - the new study findings
« Reply #2 on: April 24, 2015, 11:18:59 AM »

Offline zorgon

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Re: Yellowstone - the new study findings
« Reply #3 on: April 24, 2015, 11:25:58 AM »
In the 1990s, geological research determined that the two volcanic vents, now known as "resurgent domes", are rising again. From year to year, they either rise or fall, with an average net uplift of about one inch per year. During the period between 1923 and 1985, the Sour Creek Dome was rising. In the years since 1986, it has either declined or remained the same. The resurgence of the Sour Creek dome, just north of Fishing Bridge is causing Yellowstone Lake to "tilt" southward. Larger sandy beaches can now be found on the north shore of the lake, and flooded areas can be found in the southern arms.

Tilting has left boat docks dry on the North Shore



[youtube]547IazhjD5s[/youtube]


Offline zorgon

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Re: Yellowstone - the new study findings
« Reply #4 on: April 24, 2015, 11:28:17 AM »
[youtube]-iGJlYgp43s[/youtube]


Offline thorfourwinds

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Re: Yellowstone - the new study findings
« Reply #5 on: April 24, 2015, 06:59:59 PM »
Quote
yeah some of us know doom porn when we step in it....sigh
EARTH AID is dedicated to the creation of an interactive multimedia worldwide event to raise awareness about the challenges and solutions of nuclear energy.

Offline rdunk

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Re: Yellowstone - the new study findings
« Reply #6 on: April 24, 2015, 07:42:28 PM »
Well......asI have noted here more than once, there is a lot that we do not know. But one thing we do know/should know is, the more that we know, the more we know about that we don't know - obviously a human thing!

Just like most "things", the Earth is "alive", and has been for a long time. The more we study it, the more we know that we don't know. We know a little of the geologic history, and now we try to predict on the basis of what we think we know about the history of it. Interesting but not "bankable"!! :)

The Earth is likely way more complex that we yet realize, and thus will live its life as it is DNA'ed to do, come hell or climate change! :)

Offline RUSSO

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Re: Yellowstone - the new study findings
« Reply #7 on: April 24, 2015, 09:39:59 PM »
Well......asI have noted here more than once, there is a lot that we do not know. But one thing we do know/should know is, the more that we know, the more we know about that we don't know - obviously a human thing!

Just like most "things", the Earth is "alive", and has been for a long time. The more we study it, the more we know that we don't know. We know a little of the geologic history, and now we try to predict on the basis of what we think we know about the history of it. Interesting but not "bankable"!! :)

The Earth is likely way more complex that we yet realize, and thus will live its life as it is DNA'ed to do, come hell or climate change! :)

Alive and moving all the time. From the Pangea until today, we can expect more "surprises" in the future(hope a very, very long one). Would be negligence not to look carefully at Yellowstone.

"Battle not with monsters, lest ye become a monster, and if you gaze into the abyss, the abyss gazes also into you."

"It's time to treat people with the same degree of importance they treat you."

"The slyness when too much, grows, get bigger, turns into a beast and eat the owner."

Offline zorgon

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Re: Yellowstone - the new study findings
« Reply #8 on: April 25, 2015, 01:39:33 AM »
Couple things...

1) They say the lake rise has once again subsided and they don't know what is causing the pressure release

2) Methane bursts all over the world... blow hole craters in Siberia, fish kills off Redondo Beach, bird kills and that Gulf Oil disaster where the methane pressure was 40 times higher than it should have been, making it hard to seal the hole


So  is it possible Methane Gas pressure is somehow related to Volcanoes blowing their lids?




 


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