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 issue65The tectonic depression of Nicaragua in Costa Rica: internal structure, structural style, age, extension and current activity in the San Carlos basinGeomorphological and hydrological changes induced by the April 22, 1991 Limón, Costa Rica earthquake (Mw 7.7) author indexsubject indexarticles search
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Revista Geológica de América Central

On-line version ISSN 0256-7024Print version ISSN 0256-7024


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.

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.

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

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