Earthquake In California San Francisco. During the first quake, weak shaking was felt in San Francisco, Oakland and San Jose, per the USGS. The main earthquake was felt from San Francisco to Salem, Oregon.
San Francisco's Marina district suffered extensive damage. California lies on the San Andreas Fault, which forms the tectonic boundary between the Pacific Plate and the North American Plate, two of the large moving plates that form the Earth's crust. Congress responded to the disaster in several ways.
During the first quake, weak shaking was felt in San Francisco, Oakland and San Jose, per the USGS.
The rate of aftershock activity decreased rapidly with time.
The collapse of the Cypress Street. Napa Valley towns and communities have reported the worst damage, reports CBS San Francisco. According to Southern California Earthquake Center director Thomas Jordan, the most famous fault in the world has been quiet for a long time, too quiet, and is now.