1986 San Salvador earthquake

1986 earthquake in Central America

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13°45′N 89°14′W / 13.75°N 89.24°W / 13.75; -89.24[1]TypeStrike-slip[2]Areas affectedEl Salvador
Honduras
GuatemalaMax. intensityMMI IX (Violent)[3]Casualties1,000–1,500 fatalities[2]
10,000–20,000 injuries[2]

The 1986 San Salvador earthquake occurred at 11:49:26 local time on 10 October 1986 with a moment magnitude of 5.7 and a maximum Mercalli intensity of IX (Violent). The shock caused considerable damage to El Salvador's capital city of San Salvador and surrounding areas, including neighboring Honduras and Guatemala.[4]

Earthquake

Damage caused by the earthquake

The 1986 San Salvador earthquake occurred within the upper crust of the Caribbean Plate along the Central America Volcanic Arc. It was a result of left-lateral strike slip faulting perpendicular to the Central American volcanic chain.[5] The earthquake also caused landslides located in the San Salvador area.[6]

Damage and response

The earthquake caused between 1,000 and 1,500 deaths, 10,000 injuries, and left 200,000 homeless.[4] Shallow shocks directly under San Salvador caused the destruction of multiple structures. San Salvador's children's hospital, a marketplace, many restaurants and buildings, and shanty towns were significantly damaged or destroyed.[6]

In response, President José Napoleón Duarte established the Earthquake Reconstruction Committee tasked not only with rebuilding but also with modernizing El Salvador's capital. To lead the committee, Duarte tapped noted international urban planner and architect Jesús Permuy, who Duarte also asked to remain for another year to train Salvadoran officials on modern urban planning methods and principles following the conclusion of the Reconstruction Committee.[7]

See also

References

  1. ^ a b c ISC (19 January 2015), ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009), Version 2.0, International Seismological Centre
  2. ^ a b c USGS (4 September 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
  3. ^ Bertero, V. V. (4 February 1988). "Evolving Earthquake Hazard Mitigation Practices : Implications from Recent Chile, Mexico, and El Salvador Earthquakes, 1988 Annual Meeting (EERI)". The San Salvador earthquake of October 19, 1986. Mesa, Arizona: Earthquake Engineering Research Institute. p. 5. Archived from the original on 4 March 2016. Retrieved 14 April 2015.
  4. ^ a b "Significant earthquakes in 1986". Archived from the original on 27 February 2009.
  5. ^ White, Randall A.; Harlow, David H.; Alvarez, Salvador (1 August 1987). "The San Salvador Earthquake of October 10, 1986—Seismological Aspects and Other Recent Local Seismicity". Earthquake Spectra. 3 (3): 419–434. Bibcode:1987EarSp...3..419W. doi:10.1193/1.1585439. ISSN 8755-2930. S2CID 129240737.
  6. ^ a b "El Salvador Earthquake October 1986". International Rescue Corps. Retrieved 1 March 2016.
  7. ^ Olivera, Daisy (29 September 2018). "Ileana Ros-Lehtinen rinde homenaje al arquitecto y líder cubano, Jesús Permuy". El Nuevo Herald (in Spanish). Archived from the original on 28 September 2018. Retrieved 1 July 2020.

Further reading

  • Harlow, David H.; White, Randall A.; Rymer, Michael J.; Alvarez G., Salvador (1 August 1993). "The San Salvador Earthquake of 10 October 1986 and Its Historical Context". Bulletin of the Seismological Society of America. 83 (4): 1143–1154. Bibcode:1993BuSSA..83.1143H. doi:10.1785/BSSA0830041143. S2CID 130882786.

External links

  • October 1986 San Salvador, El Salvador Images – National Geophysical Data Center
  • The International Seismological Centre has a bibliography and/or authoritative data for this event.
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