1986 San Salvador earthquake

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1986 San Salvador earthquake

San Salvador 1986 San Salvador earthquake (Central America)
UTC time	1986-10-10 17:49:26
ISC event	483349
USGS-ANSS	ComCat
Local date	10 October 1986 (1986-10-10)
Local time	11:49:26
Magnitude	5.7 Mw[1]
Depth	10 km (6.2 mi)[1]
Epicenter	13°45′N 89°14′W / 13.75°N 89.24°W / 13.75; -89.24[1]
Type	Strike-slip[2]
Areas affected	El Salvador Honduras Guatemala
Max. intensity	MMI IX (Violent)[3]
Casualties	1,000–1,500 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]

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]

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]

• List of earthquakes in El Salvador
• 1965 San Salvador earthquake

• 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.

• 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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