Case Study: San Francisco, California 1989
· Measured 6.9 on the Richter scale
· Lasted 15 seconds with no warning
· Epicentre in Santa Cruz mountains, 60 miles south from San Francisco
· Caused by conservative plate boundary (San Andreas Fault) of the North American and Pacific plates (moving north 3.7cm per year).
· 63 people killed
· 3,757 people injured
· 2 miles of the Cyprus freeway collapsed…