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The study area is located in northern Bulgaria in the northwestern part of the town of Kozloduy, Vratsa province. From an engineering geological point of view, the region falls within the Lom Engineering Geological Area, which is characterized by the presence of loess sediments (silty clay sands and sandy clays), which are with high porosity, non compacted and susceptible to collaps?. Other dangerous engineering geological processes are landslides and river erosion. The Kozloduy lowland is one of the Danube lowlan...

The processes of liquefaction of water-saturated soils under dynamic impacts are one of the many negative and destructive geological processes and phenomena that constitute the geological hazard in Bulgaria. Processes of liquefaction of water-saturated sediments on the territory of Bulgaria are registered during almost all strong earthquakes affecting its territory from both local and regional sources. Specific cases have been described by a number of authors. These processes lead to loss of bearing capacity of wa...