1989 Loma Prieta Earthquake - Shaking Intesity Animation

Oct. 17 marks the 25th anniversary of the 1989 Loma Prieta earthquake. The animation shows earthquake waves speed away from the epicenter in the Santa Cruz Mountains south of San Francisco, California. Loma Prieta killed 63 people, injured more than 3,700 and caused $6 billion in damage.

credit : USGS