Generally, the landslides study is aimed towards determination of their physical- geological characteristics and the peculiarities of their structure. The main tasks are detection of zones characterized by different degree of water-saturation, mapping of landslide surfaces and contact zones, along which is performed the rock mass movement, determination of the shape, the dimensions, and the spatial situation of the landslide body. The possibilities, provided by the non-invasive geophysical methods, for solving the above-defined problems depend mostly on the landslide physical-geological model. Usually the geo¬logical section of a landslide site is well differentiated according to electrical resistivity. For this reason geoelectrical techniques applied for obtaining high-resolution images of the underground resistivity have leading role in geophysical investigations of landscapes. In this study are presented results obtained from the application of electrical tomography for investigation of a landslide site on the territory of Bulgaria - near the town of Varna.


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