1989 Loma Prieta earthquake
major earthquake in northern California
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The 1989 Loma Prieta Earthquake was an earthquake that took place in the San Francisco Bay Area. It happened on October 17, 1989, at 5:04 p.m. The earthquake caused over 67 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".
 Image of collapsed double-decker freeway structure in Oakland, California | |
  Santa Cruz Oakland Salinas  | |
| UTC time | 1989-10-18 00:04:14 |
|---|---|
| ISC event | 389808 |
| USGS-ANSS | ComCat |
| Local date | October 17, 1989 |
| Local time | 5:04:15 p.m. PDT |
| Duration | 8–15 seconds |
| Magnitude | 6.9 Mw |
| Depth | 12 mi (19 km) |
| Epicenter | 37°02′N 121°53′W / 37.04°N 121.88°W |
| Type | Oblique-slip |
| Areas affected | Central Coast (California) San Francisco Bay Area United States |
| Total damage | $5.6–6 billion[1] (equivalent to $12.2–13.1 billion today) |
| Max. intensity | IX (Violent) |
| Peak acceleration | 0.65g (at epicenter) |
| Tsunami | Yes |
| Landslides | 1,000–4,000 |
| Foreshocks | 5.3 ML June 27, 1988 5.4 ML August 8, 1989 |
| Casualties | 67 killed, 3,757 injured |
References
change- ↑ Housner 1990, pp. 19–23
