Abstract
The purpose of this survey is the fault zone determination in Kissamos (NW Crete) and Paleohora (SW Crete) basins. The study area is located within the central forearc of the Hellenic subduction zone. 2D electrical resistivity tomography (ERT) has been applied to reveal fault zones. Ground-truthed fault evidence in the coast northwest of Kastelli–Kissamou and northeast of Paleohora is incorporated into the ERT data. Thirteen ERT profiles were obtained at several sites. Seven of the eight ERT profiles intersect fault zones in Kissamos. Five ERT profiles were conducted in Paleohora and three significant faults were identified. The results indicated the continuation of previously mapped faults as well as revealing unreported faults. The coastline of Paleohora and Grammeno can be associated with a system of fault zone striking almost E–W. We propose that the ERT method is a reliable and economic method at identifying buried fault zones in populated areas. Considering the proximity of the revealed fault zones in densely populated areas and the high seismic activity of the region the determination of the identified fault zones could contribute in earthquake hazard assessment studies for future seismic mitigation and urban planning strategies in the two areas for western Crete.
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