Loma Preita

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. The earthquake cost $6 billion to the economy and killed 63 people (USGS. San Andreas Fault, chapter 1, p. 5. "Comparison of the Bay Area Earthquakes: 1906 and 1989). The measurement instrument was a single-axis search-coil…