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The record of the tsunami produced by the 1755 Lisbon earthquake in Valdelagrana spit (Gulf of Cádiz, southern Spain)

Authors
Publisher
Sociedad Geológica de España
Publication Date
Keywords
  • Geodinámica

Abstract

Several washover fans breaking through the spit of Valdelagrana existing in middle 18th Century in the Cuadalete estuary (Bay of Cadiz) are interpreted as the trace of the exceptional tsunami generated by the AD 1755 Lisbon earthquake, based on geological, morphological and historical arguments. [RESUMEN]A partir de pruebas geológicas, morfológicas e históricas interpretamos varios abanicos de sobrepaso (washover) que cortan la flecha de Valdelagrana activa a mediados del siglo XVIII en el estuario del Cuadalete (Bahía de Cádiz)como la huella del excepcional tsunami producido por el terremoto de Lisboa de 1755.

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