Published on Friday, October 09, 2009
By MARK MUCKENFUSS
Joann Stock wants to blow up the Imperial Valley.
A little bit at a time.
And deep underground so no one will notice. Not until she's ready to tell them what she's found anyway.
Stock is a professor of geology and geophysics at the California Institute of Technology in Pasadena. On Friday, at the semiannual meeting of the Earthquake Research Affiliates Partners on the Cal Tech campus, Stock outlined a plan to map the seismic structures of the Coachella, Imperial and Mexicali valleys.
Although the region is of great interest to geologists and seismologists, its structure and components are not well defined.
"It's where the San Andreas fault ends and the California Gulf rifting begins," Stock said.
A series of transverse faults lies between the end of the San Andreas fault and the beginning of the Imperial fault to the south
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