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1982 El Salvador earthquake

The 1982 El Salvador earthquake occurred southeast of San Salvador on 19 June at 00:21 local time (06:21 UTC). This undersea earthquake struck offshore in the Pacific Ocean and had a surface wave magnitude of 7.3 and a maximum Mercalli intensity of VII (Very strong). Occurring adjacent to a subduction zone at the Middle America Trench, this normal-slip shock left at least 16 and as many as 43 people dead, and many injured, and also inflicted $5 million in damage.

1982 El Salvador earthquake
Guatemala City
Tegucigalpa
Managua
San José
UTC time1982-06-19 06:21:58
ISC event597450
USGS-ANSSComCat
Local date19 June 1982 (1982-06-19)
Local time00:21:58
Duration25 s (shaking felt)[1]
MagnitudeMw 7.3[2]
Depth73 km (45 mi)
Epicenter13°20′N 89°23′W / 13.33°N 89.39°W / 13.33; -89.39
TypeNormal[3]
Areas affectedEl Salvador
Total damage$5 million[4]
Max. intensityVII (Very strong) [4]
LandslidesYes[5]
Casualties16–43 dead[3]

Tectonic setting edit

Near the Salvadorian coast, the Cocos Plate is subducting beneath the Caribbean Plate at the Middle America Trench. This earthquake was an intra-slab, normal-slip subduction earthquake in the subducting plate. The subduction zone and a local system of faults along the volcanic chain are two major sources of the earthquakes in El Salvador.[6]

Earthquake edit

The mechanism of this earthquake had many similarities with the El Salvador earthquake of 13 January 2001.[7]

Intensity edit

The intensity in San Salvador reached VII (Very strong).[8] The most affected cities are San Salvador, Ahuachapán, Concepción de Ataco, Comasagua, San Miguel, San Pedro Nonualco, and San Juan Tepezontes.[9] This earthquake could be felt in Guatemala, Honduras, Nicaragua, and Costa Rica, with intensities V (Moderate) in Guatemala City, Guatemala, IV (Light) in Tegucigalpa, Honduras, V in Managua, Nicaragua, and III (Weak) in San José, Costa Rica.[10][11]

See also edit

References edit

  1. ^ White, R. A.; Ligorría, J. P.; Cifuentes, I. L. (2004), "Seismic history of the Middle America subduction zone along el Salvador, Guatemala, and Chiapas, Mexico: 1526–2000", Special Paper 375: Natural Hazards in el Salvador, vol. 375, pp. 379–396, doi:10.1130/0-8137-2375-2.379, ISBN 978-0-8137-2375-4
  2. ^ "M 7.3 - 18 km SSW of La Libertad, El Salvador". USGS. United States Geological Survey. Retrieved 6 February 2022.
  3. ^ a b USGS (4 September 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey
  4. ^ a b National Geophysical Data Center / World Data Service (NGDC/WDS) (1972), Significant Earthquake Database (Data Set), National Geophysical Data Center, NOAA, doi:10.7289/V5TD9V7K
  5. ^ López, M.; Bommer, J.; Méndez, P. (2004). The Seismic Performance of Bahareque Dwellings in El Salvador (PDF). 13th World Conference on Earthquake Engineering, Vancouver, B.C., Canada, August 1–6, 2004.
  6. ^ Martínez-Díaz, J. J.; Álvarez-Gómez, J. A.; Benito, B.; Hernández, D. (2004), "Triggering of destructive earthquakes in el Salvador" (PDF), Geology, 32 (1): 65–68, Bibcode:2004Geo....32...65M, doi:10.1130/G20089.1
  7. ^ Bommer, J. J.; Benito, M. B.; Ciudad-Real, M.; Lemoine, A.; López-Menjı́Var, M. A.; Madariaga, R.; Mankelow, J.; Méndez De Hasbun, P.; Murphy, W.; Nieto-Lovo, M.; Rodrı́Guez-Pineda, C. E.; Rosa, H. (2002), (PDF), Soil Dynamics and Earthquake Engineering, 22 (5): 389–418, Bibcode:2002SDEE...22..389B, doi:10.1016/S0267-7261(02)00024-6, archived from the original (PDF) on 8 October 2011
  8. ^ isosistas. Snet.gob.sv (10 October 1986). Retrieved 25 October 2011.
  9. ^ (PDF). Archived from the original (PDF) on 21 July 2011. Retrieved 30 September 2010.{{cite web}}: CS1 maint: archived copy as title (link)
  10. ^ Significant Earthquakes of the World 4 December 2009 at the Wayback Machine. Earthquake.usgs.gov (5 January 2010). Retrieved 25 October 2011.
  11. ^ (PDF). Archived from the original (PDF) on 18 July 2011. Retrieved 30 September 2010.{{cite web}}: CS1 maint: archived copy as title (link)

Further reading edit

  • Ministerio de Obras Públicas; Centro de Investigaciones Geotécnicas; Departamento de Sismología (1982), Informe técnico sobre aspectos sismológicos del terremoto en El Salvador, del 19 de junio de 1982, Documento 00158 (in Spanish)

External links edit

  • The International Seismological Centre has a bibliography and/or authoritative data for this event.
  • Earthquake kills 14 in Salvador – The New York Times

1982, salvador, earthquake, occurred, southeast, salvador, june, local, time, this, undersea, earthquake, struck, offshore, pacific, ocean, surface, wave, magnitude, maximum, mercalli, intensity, very, strong, occurring, adjacent, subduction, zone, middle, ame. The 1982 El Salvador earthquake occurred southeast of San Salvador on 19 June at 00 21 local time 06 21 UTC This undersea earthquake struck offshore in the Pacific Ocean and had a surface wave magnitude of 7 3 and a maximum Mercalli intensity of VII Very strong Occurring adjacent to a subduction zone at the Middle America Trench this normal slip shock left at least 16 and as many as 43 people dead and many injured and also inflicted 5 million in damage 1982 El Salvador earthquakeGuatemala CityTegucigalpaManaguaSan JoseUTC time1982 06 19 06 21 58ISC event597450USGS ANSSComCatLocal date19 June 1982 1982 06 19 Local time00 21 58Duration25 s shaking felt 1 MagnitudeMw 7 3 2 Depth73 km 45 mi Epicenter13 20 N 89 23 W 13 33 N 89 39 W 13 33 89 39TypeNormal 3 Areas affectedEl SalvadorTotal damage 5 million 4 Max intensityVII Very strong 4 LandslidesYes 5 Casualties16 43 dead 3 Contents 1 Tectonic setting 2 Earthquake 2 1 Intensity 3 See also 4 References 5 Further reading 6 External linksTectonic setting editSee also Central America Volcanic Arc Near the Salvadorian coast the Cocos Plate is subducting beneath the Caribbean Plate at the Middle America Trench This earthquake was an intra slab normal slip subduction earthquake in the subducting plate The subduction zone and a local system of faults along the volcanic chain are two major sources of the earthquakes in El Salvador 6 Earthquake editSee also Extensional tectonics The mechanism of this earthquake had many similarities with the El Salvador earthquake of 13 January 2001 7 Intensity edit The intensity in San Salvador reached VII Very strong 8 The most affected cities are San Salvador Ahuachapan Concepcion de Ataco Comasagua San Miguel San Pedro Nonualco and San Juan Tepezontes 9 This earthquake could be felt in Guatemala Honduras Nicaragua and Costa Rica with intensities V Moderate in Guatemala City Guatemala IV Light in Tegucigalpa Honduras V in Managua Nicaragua and III Weak in San Jose Costa Rica 10 11 See also editList of earthquakes in El SalvadorReferences edit White R A Ligorria J P Cifuentes I L 2004 Seismic history of the Middle America subduction zone along el Salvador Guatemala and Chiapas Mexico 1526 2000 Special Paper 375 Natural Hazards in el Salvador vol 375 pp 379 396 doi 10 1130 0 8137 2375 2 379 ISBN 978 0 8137 2375 4 M 7 3 18 km SSW of La Libertad El Salvador USGS United States Geological Survey Retrieved 6 February 2022 a b USGS 4 September 2009 PAGER CAT Earthquake Catalog Version 2008 06 1 United States Geological Survey a b National Geophysical Data Center World Data Service NGDC WDS 1972 Significant Earthquake Database Data Set National Geophysical Data Center NOAA doi 10 7289 V5TD9V7K Lopez M Bommer J Mendez P 2004 The Seismic Performance of Bahareque Dwellings in El Salvador PDF 13th World Conference on Earthquake Engineering Vancouver B C Canada August 1 6 2004 Martinez Diaz J J Alvarez Gomez J A Benito B Hernandez D 2004 Triggering of destructive earthquakes in el Salvador PDF Geology 32 1 65 68 Bibcode 2004Geo 32 65M doi 10 1130 G20089 1 Bommer J J Benito M B Ciudad Real M Lemoine A Lopez Menji Var M A Madariaga R Mankelow J Mendez De Hasbun P Murphy W Nieto Lovo M Rodri Guez Pineda C E Rosa H 2002 The el Salvador earthquakes of January and February 2001 Context characteristics and implications for seismic risk PDF Soil Dynamics and Earthquake Engineering 22 5 389 418 Bibcode 2002SDEE 22 389B doi 10 1016 S0267 7261 02 00024 6 archived from the original PDF on 8 October 2011 isosistas Snet gob sv 10 October 1986 Retrieved 25 October 2011 Archived copy PDF Archived from the original PDF on 21 July 2011 Retrieved 30 September 2010 a href Template Cite web html title Template Cite web cite web a CS1 maint archived copy as title link Significant Earthquakes of the World Archived 4 December 2009 at the Wayback Machine Earthquake usgs gov 5 January 2010 Retrieved 25 October 2011 Archived copy PDF Archived from the original PDF on 18 July 2011 Retrieved 30 September 2010 a href Template Cite web html title Template Cite web cite web a CS1 maint archived copy as title link Further reading editMinisterio de Obras Publicas Centro de Investigaciones Geotecnicas Departamento de Sismologia 1982 Informe tecnico sobre aspectos sismologicos del terremoto en El Salvador del 19 de junio de 1982 Documento 00158 in Spanish External links editThe International Seismological Centre has a bibliography and or authoritative data for this event Earthquake kills 14 in Salvador The New York Times Retrieved from https en wikipedia org w index php title 1982 El Salvador earthquake amp oldid 1187330315, wikipedia, wiki, book, books, library,

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