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Yellowstone might go on first stage alert soon.
USGS ^ | 2/10/2010 | Myself

Posted on 02/02/2010 7:06:54 PM PST by Steve Van Doorn

Since January 17, 2010 Yellowstone has had the second largest swarm ever recorded. The swarms have been steady at about 10 miles in depth and they have subsided a few days ago.

In the past two days the depth has raised up to around 7 miles and in the past couple hours quakes vastly increased.

http://www.quake.utah.edu/helicorder/ymr_webi.htm
http://www.seis.utah.edu/req2webdir/recenteqs/Maps/111-44.html

Remember this doesn’t mean we will see an eruption and it most likely means a normal volcano. It is very unlikely we will see a caldera eruption.
But these changes are significant and cannot be over looked

Some history:
Since the most recent giant caldera-forming eruption, 640,000 years ago, approximately 80 relatively nonexplosive eruptions have occurred. Of these eruptions, at least 27 were rhyolite lava flows in the caldera, 13 were rhyolite lava flows outside the caldera and 40 were basalt vents outside the caldera. Some of the eruptions were approximately the size of the devastating 1991 Pinatubo eruption in the Philippines, and several were much larger. The most recent volcanic eruption at Yellowstone, a lava flow on the Pitchstone Plateau, occurred 70,000 years ago.


TOPICS: Front Page News; News/Current Events; US: Wyoming
KEYWORDS: caldera; catastrophism; earthquakes; eotw; eq; nationalparks; usgs; volcano; yellowstone
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Thank you
1 posted on 02/02/2010 7:06:56 PM PST by Steve Van Doorn
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To: Steve Van Doorn

Didn’t I see this movie on TV ?


2 posted on 02/02/2010 7:08:09 PM PST by dr_lew
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To: Steve Van Doorn

Magma moving?


3 posted on 02/02/2010 7:08:42 PM PST by Man50D (Fair Tax, you earn it, you keep it! www.FairTaxNation.com)
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To: dr_lew

This is a sequel...


4 posted on 02/02/2010 7:09:41 PM PST by null and void (We are now in day 376 of our national holiday from reality. - 0bama really isn't one of US.)
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To: Steve Van Doorn
It is very unlikely we will see a caldera eruption

Is this just hopeful thinking or is there a scientific basses for the answer.

5 posted on 02/02/2010 7:12:41 PM PST by guitarplayer1953 (Rebellion to Tyrants is Obedience to GOD! Thomas Jefferson)
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To: Steve Van Doorn

Good Stuff SVD, indeed the scope of this swarm has changed in the last two hours.

It is time to pay a bit more attention.


6 posted on 02/02/2010 7:12:49 PM PST by winoneforthegipper (I will follow the "True North-star" and that's, Sarah!)
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To: guitarplayer1953

If it blows well it was nice knowing everyone.


7 posted on 02/02/2010 7:13:24 PM PST by Frantzie (TV - sending Americans towards Islamic serfdom - Cancel TV service NOW)
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To: SunkenCiv

Ping!


8 posted on 02/02/2010 7:13:49 PM PST by rdl6989 (January 20, 2013 The end of an error.)
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To: null and void

Where is Irwin Allen when we need him?


9 posted on 02/02/2010 7:14:06 PM PST by bleach (Sarah, Wake me in 2012)
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To: guitarplayer1953
a scientific basses for the answer -
yea, it was on Coast-to-coast
10 posted on 02/02/2010 7:14:09 PM PST by Jolla
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To: Steve Van Doorn

Do you mind telling me what a “swarm” is?


11 posted on 02/02/2010 7:14:11 PM PST by ohioWfan (Proud Mom of a Bronze Star recipient!)
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To: Steve Van Doorn

Wow.

So much for that elk hunt I have been saving for.


12 posted on 02/02/2010 7:14:34 PM PST by redgolum ("God is dead" -- Nietzsche. "Nietzsche is dead" -- God.)
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To: Steve Van Doorn

The Mayans were right!

Yark!


13 posted on 02/02/2010 7:16:02 PM PST by mylife (Opinions: $1.00 Halfbaked: 50c)
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To: Steve Van Doorn

It could be worse:

http://en.wikipedia.org/wiki/La_Garita_Caldera


14 posted on 02/02/2010 7:17:18 PM PST by wireplay
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To: winoneforthegipper; GOPJ; JasonC; bergmeid; TaraP; PIF

Pinging people I thought might want to keep an eye on this.


15 posted on 02/02/2010 7:17:34 PM PST by Steve Van Doorn (*in my best Eric cartman voice* 'I love you guys')
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To: Jolla
I thought there were reports the magma was higher up closer to the ground than originally thought.
16 posted on 02/02/2010 7:17:41 PM PST by guitarplayer1953 (Rebellion to Tyrants is Obedience to GOD! Thomas Jefferson)
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To: dr_lew

Yes you did!


17 posted on 02/02/2010 7:18:02 PM PST by celtic gal
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To: ohioWfan

I believe they are referring to continuous earthquake activity....or a “swarm” of earthquakes, if you will.


18 posted on 02/02/2010 7:18:05 PM PST by CaribouCrossing
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To: redgolum

“So much for that elk hunt I have been saving for.”

Save it for a moose hunt. Moose tastes a lot better than elk.

Sincerely, Caribou


19 posted on 02/02/2010 7:19:27 PM PST by CaribouCrossing
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To: winoneforthegipper

I noted that as well. The activity seems centered around the YMR site on the univ of Utah maps. I’m not sure what harmonic tremors look like on the seismographs - can anyone enlighten me?


20 posted on 02/02/2010 7:19:30 PM PST by Mom MD (Jesus is the Light of the world!)
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To: ohioWfan

I am certainly no earthquake expert but I think a “swarm” is a lot of very small tremors in a short period of time.


21 posted on 02/02/2010 7:19:41 PM PST by Ditter
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To: ohioWfan
Do you mind telling me what a “swarm” is?

Many small quakes occurring in a short period of time.

22 posted on 02/02/2010 7:20:00 PM PST by buccaneer81 (ECOMCON)
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To: redgolum

“So much for that elk hunt I have been saving for.”

On the positive side, hopefully the ash cloud won’t make it to the middle of Iowa if it goes off.
On the other side; our record winter would probably continue for another 12 months all the way through 2010 and beyond.


23 posted on 02/02/2010 7:20:37 PM PST by HereInTheHeartland (The End of an Error - 01/20/2013)
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To: dr_lew; celtic gal

24 posted on 02/02/2010 7:21:10 PM PST by 444Flyer (Save the SEALs!(Petty Officer 2nd Class Matthew McCabe, Petty Officer Jonathan Keefe/ Julio Heurtas))
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To: ohioWfan
Earthquake swarms
I am sorry.
25 posted on 02/02/2010 7:22:10 PM PST by Steve Van Doorn (*in my best Eric cartman voice* 'I love you guys')
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To: Steve Van Doorn

Super Volcano there isn’t it?


26 posted on 02/02/2010 7:22:11 PM PST by MsLady (If you died tonight, where would you go? Salvation, don't leave earth without it!)
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To: ohioWfan

swarm

http://www.seis.utah.edu/req2webdir/recenteqs/Quakes/quakes0.html


27 posted on 02/02/2010 7:23:03 PM PST by Vn_survivor_67-68 (CALL CONGRESSCRITTERS TOLL-FREE @ 1-800-965-4701)
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To: Steve Van Doorn

Thanks for letting us know. I have texted my 12 y.o. Granddaughter to alert her to the email link I sent her.


28 posted on 02/02/2010 7:23:49 PM PST by Iowa Granny (A Penny Saved, is a Penny TAXED)
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To: ohioWfan; Steve Van Doorn

Well, it doesn’t sound like bees or locusts....

I had no clue what the title was referring to, not being familiar with USGS terminology.

Perhaps the mods could do something with the title so that people will know it’s about volcanoes?


29 posted on 02/02/2010 7:24:21 PM PST by metmom (Welfare was never meant to be a career choice.)
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To: wireplay

Is that still active or is it just a crack in the earth that could reopen again.

How big is the opening at Yellowstone?

I am not a geologist but I wonder if the openings are so big now that the pressure would be lessened than what happened millions of year ago or if it happened again it would spew the ash and magma with the same force.

How big is the opening? I though with volcanoes that the cone builds up and a relatively small opening then blows due to the pressure.


30 posted on 02/02/2010 7:24:31 PM PST by Frantzie (TV - sending Americans towards Islamic serfdom - Cancel TV service NOW)
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To: 444Flyer
It is blows and destroys several states just think of all the jobs it will create!

So it will actually be a good thing. Other areas of the country will wish for their own eruption!

31 posted on 02/02/2010 7:25:13 PM PST by Voltage
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To: CaribouCrossing; Ditter; buccaneer81; Steve Van Doorn; Vn_survivor_67-68
Thanks, all.

I figured that was what it was, but I wanted to make sure you weren't talking about bees. ;)

32 posted on 02/02/2010 7:26:00 PM PST by ohioWfan (Proud Mom of a Bronze Star recipient!)
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To: Steve Van Doorn
This late episode at Yellowstone is fairly clam compared to the Long Valley Caldera episode about 10 or 12 years ago.

Interesting, but not so bad...now.

33 posted on 02/02/2010 7:27:01 PM PST by stboz
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To: guitarplayer1953; All

When you see a story when a bunch of animals and birds leave Yellowstone at once fast, then you know something is up..


34 posted on 02/02/2010 7:27:07 PM PST by KevinDavis (Ad Astra Per Aspera!!!)
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To: Steve Van Doorn

What is the standard for a first stage alert? Who calls it, the USGS? Is it an alert for a full on volcanic supersized eruption, or just an alert for explosive hydrothermal activity that would be very localized?


35 posted on 02/02/2010 7:27:36 PM PST by HerrBlucher (Jail Al Gore and the Climate Frauds!)
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To: winoneforthegipper

Are you monitoring Madison River?


36 posted on 02/02/2010 7:28:08 PM PST by bergmeid (Gas up the truck and pedal to the metal!)
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To: MsLady

Yes, super volcano. It it were to blow, it’d be devastating...and that my dear, is an understatement.


37 posted on 02/02/2010 7:28:56 PM PST by CaribouCrossing
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To: bergmeid

Oh never mind, I see the original link is the one for Madison River. .....:-)


38 posted on 02/02/2010 7:29:30 PM PST by bergmeid (Gas up the truck and pedal to the metal!)
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To: Steve Van Doorn
Map of the Yellowstone Hot Spot Trail. Reveals the movement of the North American tectonic plate over the last approximate 15 million years.

Image and video hosting by TinyPic

39 posted on 02/02/2010 7:29:51 PM PST by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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To: KevinDavis

LOL. Reminds me of a little tidbit I saw during a SyFi disaster movie - If you suddenly see all of the animals running in one direction... follow them.


40 posted on 02/02/2010 7:30:29 PM PST by creeping death
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To: KevinDavis
So true they are more sensitive than man about these things.
41 posted on 02/02/2010 7:30:43 PM PST by guitarplayer1953 (Rebellion to Tyrants is Obedience to GOD! Thomas Jefferson)
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To: KevinDavis

Unfortunately, it will be at best only a few minutes between animals freaking out and ground blowing up.


42 posted on 02/02/2010 7:30:43 PM PST by ctdonath2 (Pelosi is practically President; the Obama is just her talk show host.)
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To: HereInTheHeartland
On the positive side, hopefully the ash cloud won’t make it to the middle of Iowa if it goes off.

If it really goes, then the ash will circle the earth and there will be crop failures all around the Northern Hemisphere.

43 posted on 02/02/2010 7:31:23 PM PST by Vince Ferrer
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To: Steve Van Doorn
Youtube - 1 of 3: The Purpose, Planning and Packing your Bug-Out-Bag

Youtube - 2 of 3: The Purpose, Planning and Packing your Bug-Out-Bag

Youtube - 3 of 3: The Purpose, Planning and Packing your Bug-Out-Bag

44 posted on 02/02/2010 7:32:42 PM PST by Errant
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To: HereInTheHeartland

If Jellystone blows the ash cloud will circle the planet in less than a week. Iowa will not be passed over. Oh and globull warming will be the least of our worries.


45 posted on 02/02/2010 7:33:23 PM PST by mad_as_he$$ (usff.com)
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To: guitarplayer1953
Is this just hopeful thinking or is there a scientific basses for the answer.

Statistically, it is very unlikely that any of these geologic events will occur in a given timeframe--right up until they happen.

46 posted on 02/02/2010 7:33:27 PM PST by hinckley buzzard
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To: Steve Van Doorn

I dig geology, but I’m not formally educated in it. Just interested. Would there be other changes such as release of gas (sulfur) or more “hot spots” on the ground that are new, before an eruption? or would the changes not appear in time to matter anyway?


47 posted on 02/02/2010 7:33:51 PM PST by machogirl (First they came for my tagline.)
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To: Frantzie

La Garita is extinct. I do not know the answers on the others.

La Garita was 3x the size of the largest Yellowstone eruption.


48 posted on 02/02/2010 7:35:09 PM PST by wireplay
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To: Frantzie

There’s been a so-called “super eruption” every approximate 650,000 years. The last one was about, ‘gulp’, 650,000 years ago.


49 posted on 02/02/2010 7:35:18 PM PST by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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To: hinckley buzzard

50 posted on 02/02/2010 7:36:59 PM PST by BurbankKarl
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