Geology of La Jolla. The Ardath Shale found on both sides of Interstate 5 near La Jolla is another clay-rich formation that may not tolerate severe shaking well.

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San Diego overview — just the facts

Offbeat tourist spots, what we lost to development, earthquake danger, how painters see us, the true story on San Diego traffic

Offbeat Tourist Spots You don’t have to go to Northern California in order to see redwoods. A substantial stand of trees estimated to be about seventy years old and ranging up to eighty feet tall ...

San Diego Earthquake Danger Zones

Mission Bay and San Diego Bay, western Mission Valley, Otay Valley, Mt. Soledad area - to name a few

“All river valleys are suspect,” she says — Mission Valley, the Sweetwater River Valley, the Otay River Valley, the Tijuana River Valley. “If you are in the Mission Valley area, have a high potential for liquefaction.”

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