Despite the tendency of the earth to convulse beneath them, California has sprouted some 20,000 buildings that are 14 stories tall or higher, according to international data.  They’re office buildings and residential towers. They’re in Long Beach and Los Angeles, Irvine and Oakland, San Jose and San Francisco, Glendale and Riverside.  Some of the oldest have towered majestically over the landscape for 100 years, surviving earthquakes, weather and time. But what’s happening below?   Read the entire article……………………………….