Friday, August 03, 2007
Major Earthquake Fault Slips Backward
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Robot Arm Over Earth with SunburstPosted by Ninja T. Penguin Posted by Ninja T. Penguin
(Robert Roy Britt - LiveScience) from Mexico.
A vast chunk of Earth sliding under Mexico has surprisingly reversed direction, puzzling geologists and leaving them wondering whether the ground might be poised to pummel Mexico City with a devastating earthquake.
The offshore tectonic plate had been sliding toward Mexico City at a rate of 1 inch per year, as recorded by Global Positioning System measuring stations near Acapulco and Guerrero, which is about 175 miles southwest of Mexico City.
That movement was normal, as predicted by theories of how Earth's crustal plates should move. At subduction zones, like this one, an oceanic plate typically slides beneath a continental plate, and now and then major temblors occur.
Suddenly, in the latter half of 2006, the plate began moving the other way and...
Read More...
Robot Arm Over Earth with SunburstPosted by Ninja T. Penguin Posted by Ninja T. Penguin
(Robert Roy Britt - LiveScience) from Mexico.
A vast chunk of Earth sliding under Mexico has surprisingly reversed direction, puzzling geologists and leaving them wondering whether the ground might be poised to pummel Mexico City with a devastating earthquake.
The offshore tectonic plate had been sliding toward Mexico City at a rate of 1 inch per year, as recorded by Global Positioning System measuring stations near Acapulco and Guerrero, which is about 175 miles southwest of Mexico City.
That movement was normal, as predicted by theories of how Earth's crustal plates should move. At subduction zones, like this one, an oceanic plate typically slides beneath a continental plate, and now and then major temblors occur.
Suddenly, in the latter half of 2006, the plate began moving the other way and...
Read More...
