1989 Loma Prieta earthquake

The Loma Prieta earthquake, also known as the Quake of '89 and the World Series Earthquake, was a major earthquake that struck the San Francisco Bay Area of California on October 17, 1989, at 5:04 pm local time. Caused by a slip along the San Andreas Fault, the quake lasted 10–15 seconds^[1] and measured 6.9 on both the moment magnitude scale^[5] (surface-wave magnitude 7.1) and on the open-ended Richter Scale.^[1] The quake killed 63^[2] people throughout northern California, injured 3,757^[3] and left some 3,000–12,000^[1][6][7][8] people homeless.

• http://en.wikipedia.org/wiki/1989 Loma Prieta earthquake