1989 Loma Prieta earthquake

1989 Loma Prieta earthquake
File:Cypress structure.jpeg
Image of collapsed double-decker freeway structure in Oakland, California
Script error: No such module "Location map/multi".
UTC time1989-10-18 00:04:14
ISC eventTemplate:Eq-isc-link
Local dateOctober 17, 1989 (1989-10-17)
Local time5:04:15 p.m. PDT
Duration8–15 seconds
Magnitude6.9 Mw
Depth12 mi (19 km)
Script error: No such module "Engvar".Lua error: callParserFunction: function "#coordinates" was not found.
Areas affectedCentral Coast (California)
San Francisco Bay Area
United States
Total damage$5.6–6 billion[1] (equivalent to $Error when using {{Inflation}}: |index=US (parameter 1) not a recognized index.Error when using {{Inflation}}: |index=US (parameter 1) not a recognized index. billion today)
Max. intensityIX (Violent)
Peak acceleration0.65g (at epicenter)
Foreshocks5.3 Template:M June 27, 1988
5.4 Template:M August 8, 1989
Casualties63 killed, 3,757 injured

The 1989 Loma Prieta Earthquake was an earthquake that happened in the San Francisco Bay Area. It happened on October 17, 1989, just after 5pm local time. The earthquake caused over 60 deaths. It caused billions of dollars worth of property damage. The earthquake happened during one of the games of the 1989 World Series. Because of that, it is sometimes called the "World Series Quake".


  1. Housner 1990, pp. 19–23