ResumenEl estudio de los eventos costeros en el pasado es importante para conocer el alcance y los períodos de recurrencia de los mismos, así como su papel de acumulación de la secuencia sedimentaria en el litoral. En este aspecto, la interpretación paleoambiental se basa generalmente en los depósitos de sedimentación "normal" (más lenta y continua), desechando por lo general el análisis de los eventos catastróficos debidos a su escasa frecuencia a una escala humana. Estos fenómenos "catastróficos", incluyendo temporales, huracanes y tsunamis, que logran producir una notable modificación del paisaje costero, afectando intensamente a las instalaciones humanas y constituyendo un riesgo natural de primera magnitud, constituyen el centro de atención del presente artículo.Palabras clave: Costa atlántica, eventos catastróficos, registro geológico, Terremoto de Lisboa 1755, tsunami, registro Golfo de Cádiz. AbstractThe study of the coastal events in the past is important to know their scope and their recurrence periods, as well as its role in the accumulation of the sedimentary sequence in the littoral. In this aspect, the paleoenvironmental interpretation is generally based on the deposits of "normal" sedimentation (slower and continue), rejecting in general the analysis of the catastrophic events due to its scanty frequency to a human scale. These "catastrophic" phenomena, including sea storms, hurricanes, and tsunamis, which manage to produce a notable modification of the coastal landscape, affecting intensely the human facilities and constituting a natural risk of the first magnitude, constitute the centre of attention of the present article.
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