BBC-Supervolcano: vids.

Antaletriangle · 02-17-2009, 11:32 PM

The last day on earth...Super-vulcanic,Yellowstone, a prime example.
Murmers...

http://www.youtube.com/watch?v=xDB4fJm-6L8 1
http://www.youtube.com/watch?v=scNyy...eature=related 2
http://www.youtube.com/watch?v=Mo01-...eature=related 3
http://www.youtube.com/watch?v=vJrzW...eature=related 4
http://www.youtube.com/watch?v=I8JUU...eature=related 5

BBC-Supervolcano Episode 2 Part 1

http://www.youtube.com/watch?v=J4M9S...eature=related 1

Please click onto the exleader75 channel for the consecutive parts or to the right on play column.
By BRETT FRENCH
The Billings Gazette
Monday, February 16, 2009 11:11 PM MST
http://www.trib.com/articles/2009/02...600009193c.txt
The gradual uplift of Yellowstone National Park's caldera is pushing the earth's crust southwest along the Snake River Plain, affecting much of the Great Basin.

"It adds energy to the whole system that we see," said Bob Smith, a University of Utah geophysicist who works with the Yellowstone Volcano Observatory. "It adds to the whole deformation and expands the Great Basin to the west."

The finding is one of several that Smith will discuss at a talk in Bozeman, Mont., at 7 p.m. on Thursday at the Emerson Cultural Center.

Smith has spent 40 years working in the park and said he is constantly learning something new.

"We've just finished about five papers" discussing new discoveries, he said, with the caldera's push westward among them.

He'll also talk about the origin of the Yellowstone hot spot and what scientists have discovered about it by using thermal imaging. He'll describe how the hot spot is driving the deformation on the surface, an uplift that has accelerated since 2000. And he'll talk about the earthquake swarm in December and January, the second-largest ever recorded, which was concentrated largely around the northwest corner of Yellowstone Lake.

One thing researchers found, in measuring water temperatures from the south end of the lake and comparing them with the north, where the earthquake activity occurred, was a heat fluctuation measured in milliwatts that ranged from 50 at the south to 30,000 near Fishing Bridge in the northeast.

"These are enormous numbers," he said, showing how closely aligned the quake swarm was with the lake's underwater geyser basin.

Smith said he's curious to find out more about how the hot fluids are interacting with existing faults.

"We'll only understand that with instruments that measure horizontal movements," he said. "This is a whole new level of technology that's very important."

That would mean improving the Yellowstone monitoring system, which Smith said is badly outdated. He estimated that it would take about $750,000 to install new equipment in the park. Much of the existing network was built in the 1970s and '80s and is "just dilapidated," he said.

The quake swarm drew media and public attention from around the world, including declarations that the supervolcano underlying Yellowstone would soon erupt. The volcano observatory's information is readily accessible online, Smith said, and the first four hours of the swarm saw 10,000 hits to the Web site.

As to the movement of the earth's crust, Smith said researchers have found a push west of 4 millimeters, or .16 inch, a year. Although he said that may not sound like much, the movement from Yellowstone across the entire Great Basin to Reno, Nev., is only 12 millimeters a year. So, one-third of the entire shift is occurring in a very small area of about 80 kilometers, he said.

As the crust is pushed, Smith said, geophysicists are seeing a clockwise rotation of the different tectonic plates across the interior of the West.

"Yellowstone affects a much bigger area, 10 times as big as Yellowstone Park," Smith said. "So it plays a major role in the plate tectonics framework."

alyscat · 02-18-2009, 02:57 AM

We had a great series on the Discovery Chanel here in the US called Perfect Disaster -
it covered
Super Tornado
Solar Storm
Super Typhoon
Mega Flood
Fire Storm
and Ice Storm
It was in 2006, and the DVDs say "season 1" but there were never any more produced.
and PBS/Nova did one on a supervolcano/Yellowstone eruption.

alys

02-17-2009, 11:32 PM	#1
Antaletriangle Avalon Senior Member Join Date: Sep 2008 Location: U.K. Posts: 3,380	BBC-Supervolcano: vids. The last day on earth...Super-vulcanic,Yellowstone, a prime example. Murmers... http://www.youtube.com/watch?v=xDB4fJm-6L8 1 http://www.youtube.com/watch?v=scNyy...eature=related 2 http://www.youtube.com/watch?v=Mo01-...eature=related 3 http://www.youtube.com/watch?v=vJrzW...eature=related 4 http://www.youtube.com/watch?v=I8JUU...eature=related 5 BBC-Supervolcano Episode 2 Part 1 http://www.youtube.com/watch?v=J4M9S...eature=related 1 Please click onto the exleader75 channel for the consecutive parts or to the right on play column. By BRETT FRENCH The Billings Gazette Monday, February 16, 2009 11:11 PM MST http://www.trib.com/articles/2009/02...600009193c.txt The gradual uplift of Yellowstone National Park's caldera is pushing the earth's crust southwest along the Snake River Plain, affecting much of the Great Basin. "It adds energy to the whole system that we see," said Bob Smith, a University of Utah geophysicist who works with the Yellowstone Volcano Observatory. "It adds to the whole deformation and expands the Great Basin to the west." The finding is one of several that Smith will discuss at a talk in Bozeman, Mont., at 7 p.m. on Thursday at the Emerson Cultural Center. Smith has spent 40 years working in the park and said he is constantly learning something new. "We've just finished about five papers" discussing new discoveries, he said, with the caldera's push westward among them. He'll also talk about the origin of the Yellowstone hot spot and what scientists have discovered about it by using thermal imaging. He'll describe how the hot spot is driving the deformation on the surface, an uplift that has accelerated since 2000. And he'll talk about the earthquake swarm in December and January, the second-largest ever recorded, which was concentrated largely around the northwest corner of Yellowstone Lake. One thing researchers found, in measuring water temperatures from the south end of the lake and comparing them with the north, where the earthquake activity occurred, was a heat fluctuation measured in milliwatts that ranged from 50 at the south to 30,000 near Fishing Bridge in the northeast. "These are enormous numbers," he said, showing how closely aligned the quake swarm was with the lake's underwater geyser basin. Smith said he's curious to find out more about how the hot fluids are interacting with existing faults. "We'll only understand that with instruments that measure horizontal movements," he said. "This is a whole new level of technology that's very important." That would mean improving the Yellowstone monitoring system, which Smith said is badly outdated. He estimated that it would take about $750,000 to install new equipment in the park. Much of the existing network was built in the 1970s and '80s and is "just dilapidated," he said. The quake swarm drew media and public attention from around the world, including declarations that the supervolcano underlying Yellowstone would soon erupt. The volcano observatory's information is readily accessible online, Smith said, and the first four hours of the swarm saw 10,000 hits to the Web site. As to the movement of the earth's crust, Smith said researchers have found a push west of 4 millimeters, or .16 inch, a year. Although he said that may not sound like much, the movement from Yellowstone across the entire Great Basin to Reno, Nev., is only 12 millimeters a year. So, one-third of the entire shift is occurring in a very small area of about 80 kilometers, he said. As the crust is pushed, Smith said, geophysicists are seeing a clockwise rotation of the different tectonic plates across the interior of the West. "Yellowstone affects a much bigger area, 10 times as big as Yellowstone Park," Smith said. "So it plays a major role in the plate tectonics framework." Last edited by Antaletriangle; 02-18-2009 at 12:15 AM.

02-18-2009, 02:57 AM	#2
alyscat Avalon Senior Member Join Date: Sep 2008 Location: Washington state Posts: 743	Re: BBC-Supervolcano: vids. We had a great series on the Discovery Chanel here in the US called Perfect Disaster - it covered Super Tornado Solar Storm Super Typhoon Mega Flood Fire Storm and Ice Storm It was in 2006, and the DVDs say "season 1" but there were never any more produced. and PBS/Nova did one on a supervolcano/Yellowstone eruption. alys