Wednesday, August 13, 2014

Yellowstone Update: @USGS issues Statement on recent SuperVolcano predictions, #quakes, Uplift, and Helium | USGS/seis.utah

#YellowstoneSupervolcano Update 13.08.2014:

Well, not to add to the Internet Alternative Media hype re: The Predictions of a Yellowstone Supervolcano Eruption, the USGS issued a statement late on a Friday.

We at MP have been following the misinformation and rumors about the activity: uplift, quakes, geothermals, Helium-4 release, etc. for many months and are not predicting an eruption.


The "Nothing to see Here" approach by the USGS is unsettling at best.
Posted below are the original Statement and tweet a day later, recent #quake info, and links.
Please monitor this post and comments for latest information on #Yellowstone.

Research Everything before you Believe Anything.

Stay Informed.
_MP

"Though we love doing research at YVO, we prefer it when the research is on topics geological rather than the origin of false rumors. Nevertheless, we have received enough concerned emails and phone calls that we've spent some time tracking down a few of the statements made on various "alternative Internet news sources." 

1) First, everyone should know that geological activity, including earthquakes and ground uplift/subsidence is well within historical norms and seismicity is actually a bit low at present. 

2) Concern over road closures is much overblown. There's been one road closure of a small side road – just over three miles long – that was closed for two days. As one can imagine, it is not easy to maintain roads that pass over thermal areas where ground temperatures can approach those of boiling water. Roads at Yellowstone often need repair because of damage by thermal features as well as extreme cold winter conditions. 

3) The park has not been evacuated. This one is pretty easy to verify by everyone. If the Old Faithful webcam shows people, or if news articles are coming out about a hobbyist's remote control helicopter crashing into a hot spring, Yellowstone is certainly open for business. 

4) No volcanologists have stated that Yellowstone is likely to erupt this week, this month or this year. In one recent article, a name was attributed to a "senior volcanologist", but that person does not appear to exist, and a geologist with that name assures us that he did not supply any quotes regarding Yellowstone. 

5) Finally, we note that those who've kept track of Yellowstone over the past decade or so, have seen a constant stream of "predictions" regarding imminent eruptions at Yellowstone. Many have had specific dates in mind, none had a scientific basis, and none have come true." - Statement, USGS 



Today's Yellowstone Supervolcano Report 8/12/2014 Lava - Uplift
Published on Aug 12, 2014 - Mary Greeley -  YouTube


August 08, 2014 - USGS

Though we love doing research at YVO, we prefer it when the research is on topics geological rather than the origin of false rumors. Nevertheless, we have received enough concerned emails and phone calls that we've spent some time tracking down a few of the statements made on various "alternative Internet news sources." 

1) First, everyone should know that geological activity, including earthquakes and ground uplift/subsidence is well within historical norms and seismicity is actually a bit low at present. 

2) Concern over road closures is much overblown. There's been one road closure of a small side road – just over three miles long – that was closed for two days. As one can imagine, it is not easy to maintain roads that pass over thermal areas where ground temperatures can approach those of boiling water. Roads at Yellowstone often need repair because of damage by thermal features as well as extreme cold winter conditions. 

3) The park has not been evacuated. This one is pretty easy to verify by everyone. If the Old Faithful webcam shows people, or if news articles are coming out about a hobbyist's remote control helicopter crashing into a hot spring, Yellowstone is certainly open for business. 


Earthquake Index Map
Click on an earthquake on the map above for a zoomed-in view. - seis.utah.edu
(Clicking on an earthquake on the zoomed-in map takes you to a Preliminary Earthquake Report)

4) No volcanologists have stated that Yellowstone is likely to erupt this week, this month or this year. In one recent article, a name was attributed to a "senior volcanologist", but that person does not appear to exist, and a geologist with that name assures us that he did not supply any quotes regarding Yellowstone. 

5) Finally, we note that those who've kept track of Yellowstone over the past decade or so, have seen a constant stream of "predictions" regarding imminent eruptions at Yellowstone. Many have had specific dates in mind, none had a scientific basis, and none have come true. 

We will continue to provide updates on geological activity at Yellowstone, and educational materials to help understand the science around Yellowstone monitoring. 

Virtually everything known about Yellowstone's spectacular volcanic past comes from the scientists who work at this observatory, at all our eight member agencies. We're the ones who mapped the deposits, figured out the ages of the eruptions, measured the gases, located the earthquakes, and tracked the ground movement. A few of us have been doing it for over forty years. We will continue to help you understand what's happening at Yellowstone now, and what's likely to happen in the future.





Using Seismic Waves to Image the Yellowstone Magma Storage Region 

June 25, 2014

How do we know what's beneath Yellowstone, and how can we image the shallow magma? Seismologists at the University of Utah (a YVO member agency) and the Swiss Federal Institute of Technology undertook a study to image the Yellowstone magma reservoir through a technique called seismic tomography. Using improved methods and data from thousands of earthquakes; they discovered that the magma reservoir is much larger than inferred in previous studies. 


Yellowstone subsurface cross-section schematic oriented SW-NE, depicts rise of magma beneath mantle plus heating and movement of mantle and crustal material. Credit Univ Utah. Click to enlarge.
Read our website article to find out how the study was conducted and what they discovered. The complete results from this new approach are published in the Journal Geophysical Research Letters.



FAQ about Recent News Reports - Earthquake, Ground Uplift, Animal Movement, and Helium 

April 02, 2014

Recent weeks have seen a flurry of news, real and imagined, about the Yellowstone volcanic system. Below is a brief FAQ about several topics that have appeared in recent news reports. 

Has earthquake activity at Yellowstone increased dramatically over the last month? 
With the latest swarms, earthquakes are elevated, but are not unusual for Yellowstone. Below is a bar chart that shows the last 20 years of earthquakes in the north-central part of the park. The previous uptick in earthquakes in this part of the park was during the previous period of uplift in this region. 
Cumulative earthquake counts (provided by the University of Utah) located in region north of the Caldera, centered near Norris Geyser Basin, Yellowstone National Park, from April 1994 to April 2014.


Cumulative earthquake counts (provided by the University of Utah) located in region north of the Caldera, centered near Norris Geyser Basin, Yellowstone National Park, from April 1994 to April 2014.
 (Click image to view full size.)
Cumulative earthquake counts (provided by the University of Utah) located in region north of the Caldera, centered near Norris Geyser Basin, Yellowstone National Park, from April 1994 to April 2014.


Is the recent episode of ground deformation worrisome? 

No. Current rates of ground deformation are well within historical norms. Please see our February 18, 2014 Information Statement, for more information about ground deformation at Yellowstone. 

Are animals leaving Yellowstone National Park? 

According to the park, any animal migrations are typical for this time of year. Most of the recent videos on the internet that show running bison were filmed weeks (at least) before Sunday's earthquake. Park spokesman Al Nash discusses this and other topics in a YouTube video. 

Do helium emissions at Yellowstone signal an impending eruption? 

No. YVO Scientist-in-Charge Jacob Lowenstern and colleagues recently published research on helium (He) emissions at Yellowstone in the journal Nature. The new research looked at apparent changes in the helium output of the Yellowstone area during its two-million-year volcanic history, compared with the previous two billion years of comparative stability. The research has nothing to do with current activity at Yellowstone, and has no implications about volcanic hazards. For a humorous and informative take on the new research, read the Los Angeles Times article, "It's up, up and away for ancient trapped helium at Yellowstone," or watch the Slate.com video "Ancient Helium Is Escaping by the Ton from Yellowstone." 
For additional information, see the April 1, 2014 Monthly Activity Update.

Source Report:
https://plus.google.com/u/0/+MadtownpreppersBlogspot/posts
https://twitter.com/MadtownPreppers
http://volcanoes.usgs.gov/volcanoes/yellowstone/yellowstone_monitoring_129.html
http://volcanoes.usgs.gov/observatories/yvo/yvo_news_archive.html
http://madtownpreppers.blogspot.com/2014/03/seismic-alert-unusual-activity-at.html
YouTube - Mary Greeley



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