Palaeoseismological features of the Granada fault



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Azañón, J.M. and García Mayordomo, Julián and Insúa Arévalo, Juan Miguel and Rodríguez Peces, Martín Jesús (2009) Palaeoseismological features of the Granada fault. In 1st INQUA-IGCP 567 International Workshop on Earthquake Archaeology and Palaeoseismology, 7-13 de septiembre de 2009, Baelo Claudia (Cádiz, España).

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This paper presents preliminary results of a palaeoseismic study of the Granada Fault, a NW‐SE active normal fault that produces a Plio‐Quaternary throw of 300 m. According to these data, slip rate has been estimated in 0.38 mm/y (Sanz de Galdeano et al., 2003). Several palaeosols, Pleistocene in age, have been affected by this fault. Three different events can be recognized from the accumulative throw. The vertical slip per event ranges from 5 to 7 cm. Following the empirical relationship between moment magnitude and average displacement proposed by Wells and Coppersmith (1994), a magnitude between 5.9 and 6.0 can be preliminary assessed for these events. The palaeosols
were sampled and dated using the thermoluminiscence method to constrain these estimates.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Palaeoseismicity, Slip ranges, Seismic hazard, Central Betics
Subjects:Sciences > Geology
Sciences > Geology > Seismology
Sciences > Geology > Geodynamics
ID Code:20815
Deposited On:15 Apr 2013 15:25
Last Modified:17 Apr 2015 08:57

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