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Recent News and Articles on the Keywords: tectonic + plate + 2006  Related to the article below (Last Update: 8/5/2008)

Report from Panama
Sovereign Society, FL - Aug 1, 2008
... likely formed by a Central American peninsula colliding slowly with the South American continent through tectonic plate movement over millions of years. ...
Magnitude 5.4 struck off Flores, Indonesia
Thaindian.com, Thailand - Aug 3, 2008
The epicenter is just 165 km WNW from Flores, Indonesia?s location on the edges of the Pacific, Eurasian, and Australian tectonic plates makes it the site ...
`Moderate' Los Angeles Quake Highlights Need for Preparation
Bloomberg - Jul 29, 2008
The US West Coast is situated in a region where the Pacific and North American plates meet. These tectonic plates shift regularly, causing earthquakes that ...
PetroChina chairman sees company's 2008 crude oil imports at 33 ...
Forbes, NY - Jul 30, 2008
Separately, Jiang told reporters that the site of the company's planned refinery and ethylene plant in Sichuan are located in a stable tectonic plate as per ...PTR - SHA:601857
Chemical and Nd Isotope Constraints on Granitoid Sources Involved ...
RedOrbit, TX - Aug 1, 2008
During the post-tectonic stage of the Grampian Orogeny, plate subduction took place under Laurentia as a result of the continuing continental convergence. ...
Review of ?Biological Structuralism? by Stuart Pivar and colleagues
Scoop.co.nz, New Zealand - Jul 29, 2008
The microbe theory of disease, plate tectonics, and the idea of three domains of life all met with considerable resistance and took decades to be accepted. ...
? Seismic shift seen in '08 vote
The Post-Standard - Syracuse.com, NY - Jul 26, 2008
"This is what I call a tectonic plate election," Schumer said, explaining that he sees the upcoming congressional and presidential elections as a ...
The fame formula
guardian.co.uk, UK - Jul 27, 2008
What the future holds is unguessable - technology's tectonic plates shift too quickly and throw up too much new landmass overnight for it to be sensible to ...
Does Christian Fundamentalism Endanger Our Republic?
History News Network, WA - Aug 3, 2008
Cold fronts colliding with warm fronts, high and low pressure, Santa Ana winds, unstable tectonic plates?all the discoveries of meteorology, climatology, ...
Democrats Have High Hopes for House and Senate Races
U.S. News & World Report, DC - Jul 24, 2008
Chuck Schumer of New York, who is predicting a "tectonic-plate election," says that would be very difficult, but it's not out of the question. ...
Source: Google News

Implications of plate tectonics for the Cenozoic tectonic evolution of western North America -
T Atwater - Bulletin of the Geological Society of America, 1970 - Geological Soc America
... California GSA Bulletin, January 1, 2006; 118(1-2 ... and BP Wernicke An animated tectonic
reconstruction of ... mafic magmatism caused by lower-plate lithospheric slab ...

An outline of the plate tectonics of China -
ZM Zhang, JG Liou, RG Coleman - Bulletin of the Geological Society of America, 1984 - Geological Soc America
... of an extremely mobile history of plate movement.--Modified ... T. Newkirk Impact of
differential tectonic subsidence on ... the Geological Society, July 1, 2006; 163(4 ...

Plate tectonic model for the evolution of the Central Andes -
DE James - Bulletin of the Geological Society of America, 1971 - Geological Soc America
... Plate tectonic model for the evolution of the Central Andes. ... Tibetan orogenic system
Geological Society, London, Special Publications, January 1, 2006; 268(1 ...

Plate tectonics and sandstone compositions -
WR Dickinson, CA Suczek - AAPG Bulletin, 1979 - aapgbull.geoscienceworld.org
... Plate tectonics and sandstone compositions. ... Tibet (China): Implications for Provenance
and Tectonic Setting Journal of Sedimentary Research, August 1, 2006; 76(8 ...

Plate Tectonics and the Evolution of the Alpine System -
JF Dewey, WC Pitman, WBF Ryan, J Bonnin - Bulletin of the Geological Society of America, 1973 - Geological Soc America
... London, Special Publications, January 1, 2006; 260(1 ... history and the size of tectonic
loads Journal of ... Publications Home page R. Lacassin Plate-scale kinematics ...

Sandstone petrography, provenance and plate tectonic setting in Gondwana context of the southeastern … -
MR Johnson - South African Journal of Geology, 1991 - GSSA
... Sandstone petrography, provenance and plate tectonic setting in Gondwana context
of the ... complex: Karoo Basin, South Africa Clay Minerals, December 1, 2006; 41(4 ...

Tectonic implications of Cenozoic volcanism in coastal California -
WR Dickinson - Bulletin of the Geological Society of America, 1997 - Geological Soc America
... Ocean: Implications of the petrology and tectonic setting of the ... Oceanic Crust J.
Petrology, May 1, 2006; 47(5 ... and death of the Resurrection plate: Evidence for ...

A model of present-day tectonic plate motions from 12 years of DORIS measurements -
L Soudarin, JF Cr?taux - Journal of Geodesy, 2006 - Springer
... Present-day tectonic plate motions 613 Plots and station coordinate differences
(STCD) files (Noll and Soudarin 2006) are available at the NASA/ CDDIS Data ...

Tectonic implications of post-30 Ma Pacific and North American relative plate motions -
RG Bohannon, T Parsons - Bulletin of the Geological Society of America, 1995 - Geological Soc America
... Seismological Society of America, April 1, 2006; 96(2 ... of the Pacific-North American
Plate Boundary in ... Publications Home page E. Tavarnelli Tectonic evolution of ...

The North Anatolian transform fault; its age, offset and tectonic significance -
AMC Sengor - Journal of the Geological Society, 1979 - Geological Soc London
... the late (?middle) Miocene, when the Anatolian Plate originated and ... caused a great
change in the tectonic evolution of ... Turkey GSA Bulletin, July 1, 2006; 118(7 ...

Source: Google Scholar

2006 tectonic plate motion reversal near Acapulco puzzles earthquake scientists

Siesmic strain, earthquake specter in region likely not eased, says CU-Boulder-led study

A reversal of tectonic plate motion between Acapulco and Mexico City in the last half of 2006 probably didn't ease seismic strain in the region or the specter of a major earthquake anticipated there in the coming decades, says a University of Colorado at Boulder professor.

Instead of creeping toward Mexico City at about one inch per year - the expected speed from plate tectonic theory - the region near Acapulco moved in the opposite direction for six months and sped up by four times, said CU-Boulder aerospace engineering Professor Kristine Larson. The changes in motion were detected by analyzing data from GPS satellite receivers set up in Guerrero, Mexico, that were installed by the National Autonomous University of Mexico (UNAM) under the direction of UNAM geophysicist Vladimir Kostoglodov and augmented by CU-Boulder.

"The million-dollar question is whether the event makes a major earthquake in the region less likely or more likely," said Larson, whose research is funded in part by the National Science Foundation. "So far, it does not appear to be reducing the earthquake hazard."

A paper on the subject by Larson, the University of Tokyo's Shin'ichi Miyazaki and UNAM's Kostoglodov and José Antonio Santiago was published Aug. 1 in Geophysical Research Letters.

Scientists use GPS satellite receivers to record laser pulses from spacecraft to measure tiny movements in Earth's crust.

The question of earthquake hazard is particularly important for Guerrero, since it is located 175 miles southwest of Mexico City, Larson said. "A very large earthquake in Guerrero would produce seismic waves that would travel quickly to the Mexican capital, and since Mexico City is built on water-saturated lakebed deposits that amplify seismic energy, the results would be catastrophic," she said.

In 1985, a magnitude 8.1 earthquake triggered by the Cocos Plate dipping under the North American Plate off the west coast of southern Mexico struck along the coast north of Guerrero and killed 10,000 people in Mexico City, injured about 50,000 and caused an estimated $5 billion in property damage.

Since the last major earthquake in northwest Guerrero was a 7.6 magnitude event in 1911, many scientists think the area is ripe for a much larger earthquake, likely in the range of 8.1 to 8.4, Larson said. Geophysicists refer to the impending earthquake as the "Guerrero Gap," she said.

"Before GPS we thought the ground moved at a constant speed between earthquakes," Larson said. "The recognition of these transient events where the plate reverses direction is arguably the most important geophysical discovery that has stemmed from the introduction of GPS measurements."

The Guerrero slip events recorded by Larson and Kostoglodov's research team in 2006 are the largest ever reported in the world.

Studies of the Guerrero Gap are helping scientists better understand other subduction zones around the world, including the Cascadia region off the coast of Washington and Oregon, Larson said. Smaller but much faster backwards slip events have occurred there, as have very large earthquakes in previous centuries.

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For more information about CU's aerospace engineering department, visit http://www.colorado.edu/aerospace/index.html.
 
 
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