1977 San Juan earthquake
  San Juan  | |
| UTC time | 1977-11-23 09:26:26 |
|---|---|
| ISC event | 690743 |
| USGS-ANSS | ComCat |
| Local date | 23 November 1977 |
| Local time | 06:26:26 |
| Magnitude | 7.4 Ms [1] |
| Depth | 17 km (11 mi) [2] |
| Epicenter | 31°05′S 67°47′W / 31.08°S 67.78°WCoordinates: 31°05′S 67°47′W / 31.08°S 67.78°W [2] |
| Max. intensity | IX (Violent) [3] |
| Casualties | 65 deaths |
The 1977 San Juan earthquake, also known as Caucete earthquake, took place in the province of San Juan, Argentina, on 23 November at 09:26:26 AM. It measured 7.4 on the surface wave magnitude scale,[1] and had a maximum perceived intensity of IX (Violent) on the Mercalli intensity scale.
The earthquake caused fatalities and severe damage to buildings throughout the province, especially in the city of Caucete, where at least 65 people died. It also caused slight damage in the north of the Greater Mendoza metropolitan area.
References
- 1 2 Keefer, D. K.; Youd, T. L. (1994), "Liquefaction during the 1977 San Juan Province, Argentina earthquake (Ms = 7.4)", Engineering Geology, 37 (3–4): 211–233, doi:10.1016/0013-7952(94)90057-4
- 1 2 Utsu, T. R. (2002), "A List of Deadly Earthquakes in the World: 1500–2000", International Handbook of Earthquake & Engineering Seismology, Part A, Volume 81A (First ed.), Academic Press, p. 683, ISBN 978-0124406520
- ↑ National Geophysical Data Center / World Data Service (NGDC/WDS), Significant Earthquake Database, National Geophysical Data Center, NOAA, doi:10.7289/V5TD9V7K
External links
- Listado de Terremotos Históricos (in Spanish) — Instituto Nacional de Prevención Sísmica
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
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