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PostPosted: Mon Jul 29, 2013 7:51 am 
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Those huge areas of coverage that that map is showing is just the detectible ash fall patterns from those two eruptions. It does not represent the lava flow or and active hot lava fall out.
The size of the lava flows are only the size of the park for the most part.

And the eruptions were more along the lines of slow lava flows. Think of it this way. The land on top of the lava is floating ice sheets and the lava is water. The land just melted and sank into the lava pool. No big explosions just a lot of smoke and ash fall out.

though there is no way to tell exactly how long the eruptions lasted. It could have been quick and lasted only a few weeks or gone on as long as a year or more in some places before the lava cooled enough to solidify and stop making smoke and ash.


And if you realy want to get technical about Mt. St.Hellenes, the detectible ash in the atmosphere went all the way around the world and caused many weeks of great looking sun rises and sun sets.
Yellow Stone could send the northern hemisphere into a short mild nuclear winter cycle. But I don't think it will last more than a few years. It would suck but it would be survivable and recoverable.


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PostPosted: Mon Jul 29, 2013 8:30 am 
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When I was a kid, my aunt who was vacationing out west right after Mount St. Helen went off brought home a vial of ash for me as a present. Had a little certificate of authenticity and everything. According to the models and maps everyone has, short term I don't have to worry because I'm on the east coast. If the ash does get as far as PA, I think it will be a minimal amount. That said long term will be a bitch. I think the Yellowstone eruption will definitely take out most of the farms in CA and the entire Midwest breadbasket. That plus there may be possible global "nuclear winter" that will make food worldwide real scarce.

If its just a USA problem, I would sit tight, be ready for inflated food prices and shortages, and help out however I can. I think a lot of people will die in the general Yellowstone area
, but I think in a few years as Americans we would pull thru.

However if the atmosphere gets filled up with ash, and its a nuclear winter for a few years. Most of the world would suffer, but the USA and Canada will turn into what was depicted in "The Road." If I can see it coming, I would gather my family, my valuable possessions, and my passport and get south ASAP. I have family in Florida, but if Florida is FUBAR too, I would get out of the country.


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PostPosted: Mon Jul 29, 2013 9:16 am 
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Living in Va, it would be prepping for a long hard Winters for several years and possible one or two without real sun. It's why grow lights are in a storage trunk of the green house.

Really the big danger is if it goes, what's to say it doesn't trigger a few other things with it's letting loose? San Andreas and Madrid fault lines?

Really you have to wonder what size the eruption would be as well
Will it be just a venting blast, or will it be the whole of the caldera going up?

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PostPosted: Mon Jul 29, 2013 6:48 pm 
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The biggest widespread problems would be the clogged waterways.

How many fresh water reservoirs are in the fallout area that provide fresh water to local municipalities? Millions could be without water for quite a while. Months if not years considering clogged machinery and even filled in lakes.


And what about any hydro electric power generation in the same fall out areas? Areas not even hit by the ash could be severely effected for years.


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PostPosted: Mon Jul 29, 2013 7:07 pm 
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Towanda wrote:
Plutonium?

Sent via mimeograph.


that's my question... also... isn't plutonium a predominantly man made element?

you and me are far enough away to probably not die horrible quick deaths...

maybe terribly slow deaths :roll:


but this plutonium stuff changes things potentially

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PostPosted: Mon Jul 29, 2013 7:32 pm 
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MacAttack wrote:
It would suck but it would be survivable and recoverable.

Yup. Despite the consequences worldwide, I don't think we're talking about an extinction level event. But then again ... :shock:


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PostPosted: Mon Jul 29, 2013 7:32 pm 
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Having grown up within a couple hours of Yellowstone, and now living a couple hours on the other side of it I would do the following:

1) Grab my fifth of whiskey
2) Grab my ladder
3) Grab my lawn chair
4) Use ladder to get on roof, lounge in lawn chair sipping whiskey watching oblivion come my way

No sense trying to outrun that one from some of the estimates I've seen on the speed it would travel.

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PostPosted: Mon Jul 29, 2013 8:07 pm 
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Red_Snow wrote:
Having grown up within a couple hours of Yellowstone, and now living a couple hours on the other side of it I would do the following:

1) Grab my fifth of whiskey
2) Grab my ladder
3) Grab my lawn chair
4) Use ladder to get on roof, lounge in lawn chair sipping whiskey watching oblivion come my way

No sense trying to outrun that one from some of the estimates I've seen on the speed it would travel.


Pretty much this. Maybe I'll have time to figure out whether it's the explosion or the ash that'll kill me, but chances are I'll be pink mist/dust before that. :awesome:

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PostPosted: Mon Jul 29, 2013 8:38 pm 
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Rev wrote:
Caenus wrote:
Why is it radioactive? Is there plutonium in them thar hills?

Inquiring Phoenicians want to know.


If that is a reference to nuclear winter that isn't caused by radiation. It's the dust.


Yup. There would be lots of fallout, but only in the form of ash and dust. If you were close enough, you'd have superheated pyroclastic flows to deal with (hello, Pompeii!). But fallout, in this case, doesn't have anything to do with radioactivity - unless the ash clogs up the cooling system and somehow affects the half a dozen failsafe systems of a nuclear power station somewhere.

I have always considered the eastern parts of the U.S. to be downwind from the west. I always thought it would be best to be on the west coast when Yellowstone cooked off. But I see from some of the information here, I might be mistaken.

On May 18, 1980, Richland, Washington was just on the edge of Mt. St. Helens' ash cloud. I remember hearing a boom around 8:30 a.m., but it might have been a sonic boom from a jet - we heard a lot of those while living there. But a few hours later, the ash started to fall. We got off light with just an eighth of an inch or so, but it was a cool experience. Now, if we had lived a little farther north where they got a lot more ash, I might not remember it as being so cool!

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PostPosted: Mon Jul 29, 2013 10:08 pm 
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Like most of you, I'd probably die. If not from the initial effects then from some secondary effect... no water, no food, diminished solar energy affecting photosynthesis, much lower temperatures, no bees to pollinate.

Sounds really fun.

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PostPosted: Tue Jul 30, 2013 2:08 am 
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I'd pretty much chill and watch CNN while running as much water as I can. I'm in Seattle, so I should be good from the fallout, as it were.

Getting a UV Water sterilizer, got a particulate filter, and already have a nice Fallout 3 themed outfit. Plus clothes for any possible condition save for asteroids GRB, and NBC attack.

And heat? We got insulated windows, a fireplace, rifles, shotguns, and pistols, and I'll be the proud owner of a BioLite stove in a month. I've got like, 5 gallons of honey, several months of medication, and by next year I'll have a M1 Garand with the tanker mod done. Cause goddamn do I love the M1.

So I'd do pretty good. It would be cold depending on the season, and I'd live off coffee, rice, and beans, but I'd be alive.

Seriously, white rice can be used 12 years later. It'll cook poorly and taste stale, but food is food.


And I hope we have like, a month's warning, cause I want to see that crazy shit live.


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PostPosted: Wed Jul 31, 2013 2:55 am 
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Kilo147 wrote:

And I hope we have like, a month's warning, cause I want to see that crazy shit live.


Zombie Squad, ladies and gents :awesome:

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PostPosted: Wed Jul 31, 2013 3:33 am 
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Probably die from thirst, starvation, or the resulting civil unrest to obtain the solutions to the former that would naturally follow such a globally traumatic event. :(

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Can you imagine what CNN would do to get the best shot of the volcano going up? They'd put Wolf Blitzer in the blast zone and have Anderson Cooper buried in ash.

But yeah, I'm not worried. We understand volcanoes enough that we could give plenty of time to evacuate the immediate danger zone and let FEMA do what they are made to do. You'd still have riots, suicides and whatnot, but we'd survive. Plus it could be today or 10,000 years from now.


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PostPosted: Wed Jul 31, 2013 9:52 am 
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Sit tight I'm from FL.

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PostPosted: Wed Jul 31, 2013 3:55 pm 
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Pyroplastic flows are caused by explosive force.

Force enough to throw a mountains worth of ash and fine hot lava into the air at one time so that is almost as dense as liquid and starts to act a little like it.


Yellowstone would be more like Hawaii. Lava gently pushing its way to the surface and spreading out. A lot of the ash would be caused by the fires surrounding the caldera. It would be like all of Washington State catching fire at one time.


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Tinderbox wrote:
Rev wrote:
Caenus wrote:
Why is it radioactive? Is there plutonium in them thar hills?

Inquiring Phoenicians want to know.


If that is a reference to nuclear winter that isn't caused by radiation. It's the dust.


Yup. There would be lots of fallout, but only in the form of ash and dust. If you were close enough, you'd have superheated pyroclastic flows to deal with (hello, Pompeii!). But fallout, in this case, doesn't have anything to do with radioactivity - unless the ash clogs up the cooling system and somehow affects the half a dozen failsafe systems of a nuclear power station somewhere.

I have always considered the eastern parts of the U.S. to be downwind from the west. I always thought it would be best to be on the west coast when Yellowstone cooked off. But I see from some of the information here, I might be mistaken.

On May 18, 1980, Richland, Washington was just on the edge of Mt. St. Helens' ash cloud. I remember hearing a boom around 8:30 a.m., but it might have been a sonic boom from a jet - we heard a lot of those while living there. But a few hours later, the ash started to fall. We got off light with just an eighth of an inch or so, but it was a cool experience. Now, if we had lived a little farther north where they got a lot more ash, I might not remember it as being so cool!

What are you talking about? There's no significant amount of naturally-occurring plutonium in Yellowstone, or anywhere else on Earth. The only way to make large amounts of plutonium is with a nuclear reactor and uranium-238. Here's the Wikipedia.

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PostPosted: Wed Jul 31, 2013 6:06 pm 
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MacAttack wrote:
Pyroplastic flows are caused by explosive force.

Force enough to throw a mountains worth of ash and fine hot lava into the air at one time so that is almost as dense as liquid and starts to act a little like it.

Yellowstone would be more like Hawaii. Lava gently pushing its way to the surface and spreading out. A lot of the ash would be caused by the fires surrounding the caldera. It would be like all of Washington State catching fire at one time.


Yellowstone has exhibited the "gentle" floods of basaltic lava about 40 times but I suspect that the OP means a super caldera (supervolcano) eruption that ejects over 200 cubic miles of material. Another interesting scenario was a major quake that would uncap a geothermal area and giant waves from the lake woould pour in water, resulting in a geothermal explosion. Anyhow, the super caldera is the one that woould slash the US in half and effect some global cooling climate change.

Good Yellowstone reference: http://pubs.usgs.gov/fs/2005/3024/

from that site

Eruptions of the Yellowstone volcanic system have included the two largest volcanic eruptions in North America in the past few million years; the third largest was at Long Valley in California and produced the Bishop ash bed. The biggest of the Yellowstone eruptions occurred 2.1 million years ago, depositing the Huckleberry Ridge ash bed. These eruptions left behind huge volcanic depressions called “calderas” and spread volcanic ash over large parts of North America (see map). If another large caldera-forming eruption were to occur at Yellowstone, its effects would be worldwide. Thick ash deposits would bury vast areas of the United States, and injection of huge volumes of volcanic gases into the atmosphere could drastically affect global climate. Fortunately, the Yellowstone volcanic system shows no signs that it is headed toward such an eruption in the near future. In fact, the probability of any such event occurring at Yellowstone within the next few thousand years is exceedingly low.

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PostPosted: Wed Jul 31, 2013 6:30 pm 
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Apocalyptic Volcanic Images from around the web

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PostPosted: Wed Jul 31, 2013 7:39 pm 
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An even scarier prospect:

Scientists detect the pending eruption early enough to warrant/order a mass evacuation of the region. Potentially millions of refugees pour into the rest of the country, mainly the east. And with a big swath of the farm belt affected, gonna be some serious resource competition.


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PostPosted: Wed Jul 31, 2013 11:04 pm 
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I will try to explain myself without violating forum rules.


Das Sheep wrote:
Out of curiosity, why do you think it will erupt in our lifetime?


Remember you asked me why I THINK it will erupt.

Well, this is all IMO, but we live in interesting times. The world might be headed for another world war, poeCblay. Hopefully not. But as far as we know in human history, the world has never had the technology it has now, anything outside of that is speculation although there is a lot of fantastic factual First off, I shouldn't have wrote believe this will happen but THINK this will happen, when I wrote that I was tired and mentally and emotionally drained from my day, although after reviewing it quickly in my head I DO think it will happen, but it might not happen in our lifetime, maybe it won't erupt for another 200,000 years. Hopefully. As the saying goes, "An intelligent mind can entertain ideas without accepting them as belief." This site is dedicated to disaster scenario and for those of us in the US, although it shouldn't keep you up at night, it is a possible disaster scenario as likely if not more likely as the zombie apocalypse. :wink: Also this site is designed for disaster preparedness and this is up there for single worst case for a lot of US residents.
evidence that maybe history really is way off the farther you go back. ANYWAYS,I believe we are headed towards a turning point in human history, where life as we know it will change, it will always happen sooner or later and I think that point in time will happen in our lifetimes. If not, thank god, but it is definitely a potential disaster scenario right up there if not higher then zombie apocalypse.

From what I've read although we can predict smaller volcanoes we aren't sure how to predict a supervolcano. Besides Michio Kaku would explain better.



I shouldn't have said plutonium either, the radioactive ash would come from radioactive minerals that are a part of Uranium U-235 which are a natural part of the mantle's natural plume heat.

Anything else would be a WW3 event where, if the technology was there from research done by Ionospheric Heater Research facilities. Here are the only one's I can find info on.

Current or Planned Research Facilities: Listed in order of final design output power (ERP)
(Transmitter power x Antenna gain = Effective Radiated Power)
1. HISCAT (International Radio Observatory, Sweden) (350 MW)
2. HAARP Gakona Alaska (110 MW)
3. EISCAT (Tromsö, Norway) (48 MW)
4. VOA (Voice of America - Delano, CA) (27 MW)
5. SURA (Radiophysical Research Institute, Nizhny Novgorod, Russia) (20 MW)
6. Arecibo (National Astronomy and Ionosphere Center, Puerto Rico) (20 MW)
7. HIPAS High Power Auroral Stimulation Observatory (UCLA Plasma Physics Lab - Fairbanks Alaska) (17 MW)

Perhaps in a WW3 scenario an enemy country may have the ability to use ULF/ELF/VLF waves to set off Yellowstone, not saying they would but it's possible. My area might be fu##ed but if we were still alive, we would try to make it out and head to Mexico.

Edit: I had some really bad luck trying to post this, either I'd submit and it would show I needed to log in or my computer would go down or my computer would freeze lol. The last three times these were masterpieces lol but I'm sorry for the late reply, I want to respond to some of the other posts but I had to post this quick before another stroke of bad luck happened.

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PostPosted: Thu Aug 01, 2013 3:03 am 
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Uranium is harmless in its raw form. I have a nice hunk on my nightstand. Cool stuff. If only I could get a hold of the depleted stuff.

But yeah, why the hell worry! Might as well panic about asteroids, GRBs, and Mayan apocalypses.


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PostPosted: Thu Aug 01, 2013 8:21 am 
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Kilo147 wrote:
Uranium is harmless in its raw form. I have a nice hunk on my nightstand. Cool stuff. If only I could get a hold of the depleted stuff.

But yeah, why the hell worry! Might as well panic about asteroids, GRBs, and Mayan apocalypses.


I have a hunk of Uranium on my shelf right here...

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PostPosted: Thu Aug 01, 2013 9:12 am 
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Kilo147 wrote:
Might as well panic about asteroids, GRBs, and Mayan apocalypses.


I do worry about asteroids, since that is something we can watch for, and alter the outcome of. It's why I am a member of the Planetary Society.

http://planetary.org/

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