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Posted by Sam Wormley on August 8, 2007, 11:22 am


TECTONICS
2006 Tectonic Plate Motion Reversal Near Acapulco Puzzles Earthquake Scientists

http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near_Acapulco_Puzzles_Earthquake_Scientists_999.html


by Staff Writers
Boulder CO (SPX) Aug 08, 2007

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.

See:
http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near_Acapulco_Puzzles_Earthquake_Scientists_999.html


Posted by ~~NoMad~~ on August 9, 2007, 9:14 am


Well, there you go! Solid evidence of Global Warming!

NM





> TECTONICS
> 2006 Tectonic Plate Motion Reversal Near Acapulco Puzzles Earthquake
> Scientists
>
http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near_Acapulco_Puzzles_Earthquake_Scientists_999.html
> by Staff Writers
> Boulder CO (SPX) Aug 08, 2007
> 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.
> See:
>
http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near_Acapulco_Puzzles_Earthquake_Scientists_999.html
>



Posted by Gordon on August 11, 2007, 10:54 am


On Thu, 9 Aug 2007 07:14:52 -0600, "~~NoMad~~"

>Well, there you go! Solid evidence of Global Warming!
>NM
Those tectonic plates are pretty solid, alright!

Gordon
>> TECTONICS
>> 2006 Tectonic Plate Motion Reversal Near Acapulco Puzzles Earthquake
>> Scientists
>>
http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near_Acapulco_Puzzles_Earthquake_Scientists_999.html
>> by Staff Writers
>> Boulder CO (SPX) Aug 08, 2007
>> 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.
>> See:
>>
http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near_Acapulco_Puzzles_Earthquake_Scientists_999.html
>>

Posted by Florian on August 9, 2007, 10:54 am



> TECTONICS 2006 Tectonic Plate Motion Reversal Near Acapulco Puzzles
> Earthquake Scientists
>
> http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near
> _Acapulco_Puzzles_Earthquake_Scientists_999.html
>
>
> by Staff Writers Boulder CO (SPX) Aug 08, 2007
>
> 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.
>
> See:
> http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal_Near
> _Acapulco_Puzzles_Earthquake_Scientists_999.html


Plate tectonics is deeply flawed. So it does not matter much.

--
Florian

"Tout est au mieux dans le meilleur des mondes possibles"
Voltaire vs Maupertuis/Leibniz/Meister

Posted by Puppet_Sock on August 9, 2007, 11:01 am


> TECTONICS
> 2006 Tectonic Plate Motion Reversal Near Acapulco Puzzles Earthquake Scientists
> http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal ...
> by Staff Writers
> Boulder CO (SPX) Aug 08, 2007
> 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.
> See:http://www.terradaily.com/reports/2006_Tectonic_Plate_Motion_Reversal ...

So, check my arithmetic here. For six months the system is
moving at 4 inches per year. So they are talking about a 2 inch
displacement.

Are GPS measurements really accurate enough for that? I ask
because I really don't know. I was under the impression that
even in the most accurate mode that is at the limits of the
ability of the system.

So, is it reasonable to suspect that this may be noise?
Socks


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