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* Corresponding author 1 Department of Construction and Geoinformation 2 Department of Civil and Environmental Engineering

Abstract : The existing knowledge about the recent crustal deformations along the Carmel Fault in Northern Israel which passes the city of Haifa is to a certain degree ambiguous. Depending on geological, geophysical or geodetic sources the movement rates and senses range from 1mm-yr sinistral up to 4mm-yr dextral. In this paper we analyze GPS data from a regional network observed between 1999 and 2009 and derive global and regional velocities for 23 sites along the fault. The regional site velocities were estimated with respect to a local datum that was defined by a stable cluster of sites on one side of the fault and the horizontal velocity field shows deformations of up to 4.5mm-yr dextral. In combination with an S-transformation the site velocities were used to estimate the parameters of a dislocation model based on elastic half space theory. We compare the results with expectations from slip rate analysis of seismicity parameters. In addition the resulting fault slip field is used to derive a fault-related velocity field.

Keywords : Carmel Fault GPS Velocity field Dislocation model





Autor: Joerg Reinking - Hillrich Smit-Philipp - Gilad Even-Tzur -

Fuente: https://hal.archives-ouvertes.fr/



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