St. Helens part of a Super-Volcano?

[PDH]

Neil, does all that preclude my "volcano under Tim" wish?

[Neil]

Why the fuck can't there be a mini-volcano under Tim?

The east coast is pretty stable in that respect.  The North American plate has stretched to his advantage.

[Neil]

Neil, does all that preclude my "volcano under Tim" wish?

It would be easier if you were to move Tim to the volcano.

[Ed Anger]

Neil, does all that preclude my "volcano under Tim" wish?

Not if he eats Taco Bell.

[Neil]

Neil, does all that preclude my "volcano under Tim" wish?

Not if he eats Taco Bell.

Unless he produces 10,000 m³ of ejecta, he'd have a VEI of 0. 

[PDH]

It would be easier if you were to move Tim to the volcano.

I see...I wonder how many Indonesian teaching positions are open...

[PDH]

Not if he eats Taco Bell.

Unless he produces 10,000 m³ of ejecta, he'd have a VEI of 0. 

That would require quite a few items on the dollar menu.

[KRonn]

Scary stuff! But then, we do know that a super-volcano eruption is possible sometime, somewhere, right? There was one in the 1800s in Indonesia, I think it was called Krakatoa. Caused there to be kind of no summer across some areas, such as the northern US that year.

Tambora wasn't a supervolcano.  It was a large, powerful volcano (the most powerful in the memory of civilized man), but at least an order of magnitude less than a true supervolcano like Yellowstone or Toba.

They have a measurement for volcanic eruptions called Volcanic Explosivity Index, which measures the volume of ejecta (as if it were dense rock) from the eruption and the height of the volcanic plume.  It goes by order of magnitude, and so a VEI 5 (the St. Helens eruption was a 5) produces on the order of 1 cubic kilometre of ejecta, whereas a VEI 6 (like Krakatoa in 1883) produces on the order of 10 km³, and a VEI 7 (Tambora) produces on the order of 100 km³.  VEI 8 is the realm of the supervolcanos , and they produce over 1000 km³ worth of ejecta.  Yellowstone's last eruption was barely a VEI 8.  On the other hand, there was an eruption in Indonesia 70,000 years ago that produced about 3,000 km³.  We haven't had a VEI 8 since we became civilized.

Hmm... in that case we could be doomed, or dangerously close to it!

[Neil]

Scary stuff! But then, we do know that a super-volcano eruption is possible sometime, somewhere, right? There was one in the 1800s in Indonesia, I think it was called Krakatoa. Caused there to be kind of no summer across some areas, such as the northern US that year.

Tambora wasn't a supervolcano.  It was a large, powerful volcano (the most powerful in the memory of civilized man), but at least an order of magnitude less than a true supervolcano like Yellowstone or Toba.

They have a measurement for volcanic eruptions called Volcanic Explosivity Index, which measures the volume of ejecta (as if it were dense rock) from the eruption and the height of the volcanic plume.  It goes by order of magnitude, and so a VEI 5 (the St. Helens eruption was a 5) produces on the order of 1 cubic kilometre of ejecta, whereas a VEI 6 (like Krakatoa in 1883) produces on the order of 10 km³, and a VEI 7 (Tambora) produces on the order of 100 km³.  VEI 8 is the realm of the supervolcanos , and they produce over 1000 km³ worth of ejecta.  Yellowstone's last eruption was barely a VEI 8.  On the other hand, there was an eruption in Indonesia 70,000 years ago that produced about 3,000 km³.  We haven't had a VEI 8 since we became civilized.

Hmm... in that case we could be doomed, or dangerously close to it!

No, what it means is that we're in no immediate danger, and there's nothing that can be done at any rate.

[Cecil]

Shrug the rich part of the world could probably cope with a supervolcano eruption. It would be tough but we would probably make it with proper rationing. The third world would face a massextinction however. So Neil probably wish we have one as soon as possible. 

[crazy canuck]

The ash would be a nice set off to global warming.

[KRonn]

Scary stuff! But then, we do know that a super-volcano eruption is possible sometime, somewhere, right? There was one in the 1800s in Indonesia, I think it was called Krakatoa. Caused there to be kind of no summer across some areas, such as the northern US that year.

Tambora wasn't a supervolcano.  It was a large, powerful volcano (the most powerful in the memory of civilized man), but at least an order of magnitude less than a true supervolcano like Yellowstone or Toba.

They have a measurement for volcanic eruptions called Volcanic Explosivity Index, which measures the volume of ejecta (as if it were dense rock) from the eruption and the height of the volcanic plume.  It goes by order of magnitude, and so a VEI 5 (the St. Helens eruption was a 5) produces on the order of 1 cubic kilometre of ejecta, whereas a VEI 6 (like Krakatoa in 1883) produces on the order of 10 km³, and a VEI 7 (Tambora) produces on the order of 100 km³.  VEI 8 is the realm of the supervolcanos , and they produce over 1000 km³ worth of ejecta.  Yellowstone's last eruption was barely a VEI 8.  On the other hand, there was an eruption in Indonesia 70,000 years ago that produced about 3,000 km³.  We haven't had a VEI 8 since we became civilized.

Hmm... in that case we could be doomed, or dangerously close to it!

No, what it means is that we're in no immediate danger, and there's nothing that can be done at any rate.

Heh, right; I worded that wrong. It isn't about to happen, so no doom.  I didn't realize how significant a super volcano actually was, and thought that we'd had them in historical times without such devastating effects.

[Tonitrus]

After the Awakening in 2012, and when Great Ghost Dance will begin, this will be used an excuse when some Native Americans appear to set off a bunch of volcanoes.

[Neil]

Shrug the rich part of the world could probably cope with a supervolcano eruption. It would be tough but we would probably make it with proper rationing. The third world would face a massextinction however. So Neil probably wish we have one as soon as possible. 

Depends on where it is.  Yellowstone would be moderately devastating to the civilized world.

[Eddie Teach]

Tambora wasn't a supervolcano.  It was a large, powerful volcano (the most powerful in the memory of civilized man),

Except of course the one that took Atlantis.