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Cajon Pass - Printable Version

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Cajon Pass - Skywise - 06-13-2014

Nice little group of quakes in the Cajon Pass. Not quite placed on the San Andreas, but then these automatic solutions are never perfect, and the SA does have a slight dip if I recall correctly.

http://tinyurl.com/o9ndw3a

A link to the USGS map, zoomed to the area.

Brian


RE: Cajon Pass - Island Chris - 06-13-2014

The focal mechanism is oblique reverse right-lateral . If the NW-SE nodal plane is the fault plane, it indeed dips NE and thus could be on or close to the San Andreas proper:

http://pasadena.wr.usgs.gov/recenteqs/QuakeAddons/ci15511521.cifm1.html

Bears watching.

No, not the mammal with teeth and claws.

Chris