1989 Loma Prieta earthquake San Francisco Earthquake of 1989. On October 17, 1989, a magnitude 6.9 earthquake hit the San Francisco Bay Area, killing 67 people and causing more than $5 billion in damages. ... The quake was centered near Loma Prieta Peak (approximately 60 miles south of San Francisco) in the Santa Cruz Mountains. real footage,natural disaster,Earthquake … [Read more...]