Landslide susceptibility analysis of Arhavi region (Artvin)

Due to the most extensive occurrance of landslide in the Black Sea Region and the resulting life and property losts it has become significant to conduct detailed studies for the production of possible solutions.In this study, landslide susceptibility analysis of Arhavi Region (Artvin) was performed by using statistical analysis methods.After the prepation of a geological map on 1/25 000 scale from older to younger Kızılkaya Formation, rhyodacite ant their pyroclastits, Late Cretaceous aged Çağlayan Formation consisting of limestone and marl interbedded basalt and andesite, and Quternary alluvium litostratigraphical units have been defined.Surficial weathering, on rocks of study area where climatic conditions presence to be on first place, has great importance. In the region, due to triggering of heavy rainfalls numerous landslides occured completely weathered rocks. Inventory maps of these landslides were prepared by field works.In this study, landslide susceptibility maps were produced. On these susceptibility maps, different susceptibility area were seperated. These are as follows; very low, low, medium, high and very high susceptible area.