06/05/2026
Though I'm a local historical researcher, I find San Diego's geological formation just as interesting and worthy of research.
California is one of the most geologically diverse and active places in the U.S. Underneath her sits multiple plate boundary processes that have shaped the landscape for millions of years.
San Andreas Fault system, with additional hot spots of volcanic and seismic activity scattered through the north, east, and southeast is the most active fault system in California.
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