Types of offshore rigs
Left to right: onshore platform; fixed platform; jackup rig; semi-submersible; drill ship; tension leg platform (TLP)
source: http://www.mms.gov/tarprojectcategories/structur.htm

Elevations (and Depths) of the Santa Barbara Area (Topography and Bathymetry)
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Map of Faults and Earthquakes in Southern California
source: http://quake.wr.usgs.gov/research/deformation/modeling/papers/scientam/scientam.html
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The Ventura Avenue Anticline with locations of offshore oil drilling platforms