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 número65La depresión tectónica de Nicaragua en Costa Rica: estructura interna, estilo estructural, edad, extensión y actividad de la cuenca de San CarlosCambios geomorfológicos e hidrológicos inducidos por el terremoto (Mw 7,7) del 22 de abril de 1991 en la provincia de Limón, Costa Rica índice de autoresíndice de materiabúsqueda de artículos
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Revista Geológica de América Central

versión On-line ISSN 0256-7024versión impresa ISSN 0256-7024

Resumen

QUESADA-ROMAN, Adolfo. Review of the geomorphological effects of the 1991 Limón earthquake. Rev. Geol. Amér. Central [online]. 2021, n.65, pp.370-395. ISSN 0256-7024.  http://dx.doi.org/10.15517/rgac.v0i65.46697.

The Limón earthquake was one of the biggest disasters ever recorded in Costa Rica and Panama. This event had a magnitude of 7.7 Mw, occurred on April 22 of 1991 and had its epicenter at the coordinates 9.685 N and -83.073 W. This study looks to determine the geomorphological effects resulting from the earthquake. The methodology consisted of a bibliographic review of the technical studies, scientific articles and maps carried out on the seismic event to generate a cartography and analysis that sum- marizes the geomorphological implications in the Caribbean region of Costa Rica and Panama. The geomorphological effects inclu- ded tectonic uplift, liquefaction, landslides, a tsunami, an increased sediment load in the river basins months after the earthquake, and a probable relationship with recent coastal erosion processes. This event was a great lesson for Costa Rica and Panama on its seismic risk, geomorphological dynamics, as well as risk management in a major disaster.

Palabras clave : Seismic Risk; Geomorphology; Tectonic Uplift; Landslides; Costa Rica; Panama; Central America..

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