Colapsos cosísmicos y paleosismicidad en la sima de Benis (Cieza, SE España), asociados al terremoto de Mula (1999; VII mks; Mb = 4,8)
- R. Pérez-López 1
- J.J. Martínez-Díaz 2
- M.A. Rodríguez-Pascua 1
- P.G. Silva 3
- J.L Giner-Robles 1
- M. Bejar 2
- A. Marcos-Nuez 4
- J.P. Calvo 5
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1
Universidad CEU San Pablo
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2
Universidad Complutense de Madrid
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3
Universidad de Salamanca
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- 4 Grupo Especial de Rescate en Altura. Protección Civil. Comunidad de Madrid
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5
Instituto Geológico y Minero de España
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- Lario Gómez, Javier (coord.)
- Silva, Pablo G. (coord.)
Argitaletxea: Escuela Técnica Superior de Ingenieros Industriales de Madrid ; Universidad Politécnica de Madrid
ISBN: 978-84-7484-201-2
Argitalpen urtea: 2007
Orrialdeak: 159-160
Mota: Liburuko kapitulua
Laburpena
In this work we present the first conclusions obtained from the morphotectonic and seismotectonic analysis of the Benis Cave (Cieza, SE of Spain). Both analyses provide new descriptions of seismic structures formed during a known instrumental earthquake and a new type of paleoseismic feature or seismothem (a migrating coral flowstone). From the last seismothem, at least two paleoearthquakes have been identified within the cave. During the Mula earthquake (mb = 4.8, MSK VII, 1999), a massive collapse of metric blocks at -156m was reported. This direct effect caused by a low magnitude earthquake shows the high sensitivity of caves to seismic shaking in this area.