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Most earthquakes occur in the belt of young-fold Mountains because young fold mountains are formed because of tectonic activities. In the case of Oceanic-continental convergence, subducting oceanic plate grinds against the surrounding denser medium producing mostly deep-seated earthquakes.
Answer:
The Ural Mountains, Ural River, and the Caucasus Mountains are the geographical land border of the eastern edge of Europe. E.g. Kazakhstan, which is mainly located in Central Asia with the most western parts of it located west of the Ural River also shares a part of Eastern Europe.
A fault is a thin zone of crushed rock separating blocks of earths crust