Interesting article in the New York Times on large cities in seismic zones.
http://www.nytimes.com/pages/world/index.html
A Restless Region on the Colorado Plateau
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Castle Valley, 20 miles east of Moab, UT; Round Mountain rises from the
valley floor on the right.
The Colorado Plateau is a thick block of crust in the F...
17 hours ago
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