1987 Ecuador earthquakes

1987 Ecuador earthquakes
Foreshock
Mainshock
Date 6 March 1987 (1987-03-06)
Origin time 04:10:43 UTC [1]
Magnitude 7.1 Mw [1]
Depth 10 km (6.2 mi) [1]
Epicenter 0°04′N 77°45′W / 0.07°N 77.75°W / 0.07; -77.75Coordinates: 0°04′N 77°45′W / 0.07°N 77.75°W / 0.07; -77.75
Total damage $1 billion [2]
Max. intensity IX (Violent) [3]
Foreshocks 6.4 Mw March 6 at 01:54 [1]
Aftershocks 6.0 Mw March 6 at 08:14 [1]
Casualties 5,000 [4]

The 1987 Ecuador earthquakes occurred over a six-hour period on March 6. The sequence of shocks measured 6.7 and 7.1 and 6.0 on the moment magnitude scale. The mainshock had a maximum Mercalli intensity of IX (Violent). The earthquakes were centered in Napo Province in northeast Ecuador; the epicenters were on the eastern slopes of the Andes, about 75 km ENE of Quito and 25 km north of Reventador Volcano. The earthquakes caused an estimated US$1 billion in damage.

See also

References

  1. 1 2 3 4 5 ISC (19 January 2015), ISC-GEM Global Instrumental Earthquake Catalogue (1900-2009), Version 2.0, International Seismological Centre
  2. ↑ Bolton, P. A. (1991), "Local-level economic and social consequences", The March 5, 1987, Ecuador Earthquakes: Mass Wasting and Socioeconomic Effects, National Academies Press, p. 109, ISBN 978-0309044448
  3. ↑ Espinoza, A. F.; Egred, J.; Garciá-Lopez, M.; Crespo, E. (1991), "Intensity and damage distribution", The March 5, 1987, Ecuador Earthquakes: Mass Wasting and Socioeconomic Effects, National Academies Press, p. 42, ISBN 978-0309044448
  4. ↑ USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
Sources
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