Geology

The San Francisco Bay Area’s crazy quilt-pattern of rock formations — shaped by earthquakes — are the key to understanding the region’s landscapes. From ice-age dune sand in San Francisco to recently subsided land in the Santa Clara Valley or the veritable maze of earthquake faults in the East Bay, the geology is a fascinating blueprint of the region’s natural history.

Latest from Geology

History Tour by Van of Almaden Quicksilver

Event: August 3, 2013 9:00 am

Step back in time and experience what life was like back in the mining heyday. Ride by van to various

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Earthquake Walk

Event: August 4, 2013 2:00 pm

Join docent Paul Billig for a fun and educational hike along the San Andreas Fault. On this 2- to 3-mile

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Our Own Fault

Event: July 21, 2013 11:00 am

Hear the story of how California emerged from the sea during America’s 200 million year westward voyage, how the San

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Third Thursday: El Corte de Madera

Event: July 18, 2013 10:00 am

A spectacular tafoni sandstone formation and a famous aircraft crash site will be the prime destinations of this moderately-paced, 5-mile

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Earthquake Walk

Event: July 7, 2013 2:00 pm

Join docents Strether Smith and Kathyrn Strachota for a fun and educational hike along the San Andreas Fault. On this

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