Publication: Grandes deslizamientos históricos en la isla de Mallorca: Biniarroi, 1721
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2008
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Sociedad Geológica de España.
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Abstract
El valle de Biniarroi, situado en el t.m. de Mancor del Vall en la isla de Mallorca, sufrió en el mes de marzo del año 1721 uno de los mayores deslizamientos registrados en las Baleares. La elevada pluviometría de aquel invierno fue el desencadenante de la ocurrencia de un deslizamiento complejo, que afectó a unos 300.000 m2 de tierras de labor, modificando totalmente la topografía original de la zona así como la red superficial de drenaje del valle. Este deslizamiento y reactivaciones posteriores en los años 1816, 1857 y 1943 determinaron el abandono de este núcleo de población y de las aledañas tierras de cultivo. La recuperación de documentos históricos sobre el deslizamiento, junto al estudio y análisis del terreno, ha permitido reconstruir el deslizamiento original, sus dimensiones y características, así como la tipología del movimiento.
On March 1721, a great landslide took place in Biniarroi, a small village located in the municipality of Mancor del Vall (Majorca). The landslide affected more than 300.000 m2 of agricultural land, completely modifying the original topography of the area, as well as the superficial drainage network. The trigger of this landslide, and subsequent reactivations during the years 1816, 1857 and 1943, was heavy rainfall and caused, both the village of Biniarroi and the cultivated area, to be abandoned. The recovery of historical documents about this event and a detailed study of the area, have allowed us to reconstruct the original landslide, its magnitude and characteristics, as well as the type of movement.
On March 1721, a great landslide took place in Biniarroi, a small village located in the municipality of Mancor del Vall (Majorca). The landslide affected more than 300.000 m2 of agricultural land, completely modifying the original topography of the area, as well as the superficial drainage network. The trigger of this landslide, and subsequent reactivations during the years 1816, 1857 and 1943, was heavy rainfall and caused, both the village of Biniarroi and the cultivated area, to be abandoned. The recovery of historical documents about this event and a detailed study of the area, have allowed us to reconstruct the original landslide, its magnitude and characteristics, as well as the type of movement.