IMG_7996_rotated

A small fault lying between the San Andreas and San Jacinto faults provides evidence for past earthquakes that involved both major faults. Geologists Tom Rockwell (San Diego State) and Michael Oskin (UC Davis) work in a trench into the fault.

A small fault lying between the San Andreas and San Jacinto faults provides evidence for past earthquakes that involved both major faults. Geologists Tom Rockwell (San Diego State) and Michael Oskin (UC Davis) work in a trench into the fault. (Alba Rodriguez Padilla/UC Davis).

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