1987 Ecuador earthquakes
Foreshock Mainshock | |
UTC time | 1987-03-06 04:10:43 |
---|---|
ISC event | 471340 |
USGS-ANSS | ComCat |
Local date | March 5, 1987 |
Local time | 23:10:43 ECT |
Magnitude | 7.1 Mw [1] |
Depth | 10 km (6.2 mi) [1] |
Epicenter | 0°04′N 77°45′W / 0.07°N 77.75°WCoordinates: 0°04′N 77°45′W / 0.07°N 77.75°W |
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 | 1,000 dead [4] 4,000 missing [4] 20,000–150,000 displaced [4] |
The 1987 Ecuador earthquakes occurred over a six-hour period on March 6. The sequence of shocks measured 6.7, 7.1, and 6.0 on the moment magnitude scale. The main shock 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 about 1,000 deaths. Four thousand were missing and an estimated US$1 billion in damage was caused.
See also[]
References[]
- ^ a b c d ISC (19 January 2015), ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009), Version 2.0, International Seismological Centre
- ^ 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
- ^ 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
- ^ a b c USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
Sources
- Kawakatsu, H.; Cadena, G. P. (1991), "Focal Mechanisms of the March 6, 1987 Ecuador Earthquakes: CMT inversion with a first motion constraint" (PDF), Journal of Physics of the Earth, 39 (4): 589–597, doi:10.4294/jpe1952.39.589, archived from the original (PDF) on July 22, 2011, retrieved October 20, 2009
External links[]
- Officials Fear Quake Killed 300 in Ecuador – Los Angeles Times
- 300 reported dead and 4,000 missing in Ecuador quakes – The New York Times
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
Categories:
- Earthquakes in Ecuador
- 1987 earthquakes
- 1987 in Ecuador
- Napo Province
- March 1987 events in South America