Saturday, July 18, 2026, 11 a.m.
Lecture: Geology of San Diego County
16666 San Pasqual Valley Road, Escondido, 92027
Cost: $5 - $15
This talk will focus on amazing geological forces and events from the last 200 million years that have shaped the San Diego County we see today. From regional tectonics to massive volcanism, uplift and erosion, and the many current infrastructure challenges San Diego currently faces, Mike Thacker will tell the story behind our broad mesas, dramatic coastlines, canyons, and wide valleys. Attendees will be sure to come away with a deepened understanding of and appreciation for the geological history of our unique region.