The growing number of people and their concentrating in places of heightened risk brings about a number of phenomena which the society rates as disasters. Crisis situations in the environment which put lives and property in jeopardy have become a reality of the present world. The risky processes taking place in the environment can be triggered by individual natural and human factors. Their occurrence, influence and impact are conditioned by the given type of contemporary landscape. With view of effective crisis management in all its stages it is essential to have access to a high-quality landscape geo-database with data on risk processes or phenomena. Geovisualization of potential or existing crisis processes plays a key role in the decisions of crisis management and in peoples reactions.