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giant green anemone
Upper Crystal Springs Reservoir
Marina District Quake Damage
The Slumbering Giant Earthquake Wlk
The San Andreas Fault is one of the earth's wonders, and Los Trancos Preserve is a lesser-known local gem. You'll walk atop the fault and learn how California ...
Loma Prieta 20-Year Anniversary Earthquake Walk
Where were you on October 17, 1989? Were you in the Bay Area or elsewhere watching the World Series on television? Join docents Paul Billig and Ann Reisenauer ...
Earthquake Walk
Join docents Harry Cornbleet and Kandis Scott “where worlds collide” at the junction of the Pacific and North American plates. On this 2- to 3-mile stroll, ...
tilited layers of turbidites
wave-sculpted arch
White sandy beach at Stump Cove
Sea stack and irises
Abandoned quarry block
Tafoni and sculpted rocks at Salt Point
Salt Point Map
Down to the Sea Again
Daly City's cliffs hold tales of ancient seas and volcanic eruptions. But don't count on them to stand still under your feet, or your home.
In the Fault Zone
On April 18, 1906, a massive earthquake centered just west of San Francisco ruptured the earth from Humboldt to San Juan Bautista. While the more dramatic ...
Stories in Stone
You'll find some of Central California's most remarkable rocks at this state park on the Sonoma coast. Here, waves, fault lines, and changes in sea level have ...