ИСТИНА

Technosphere fires is one of the sources of economic, social and environmental risks of development of regions. The severity of these risks varies in space and in time. Spatial dynamics repeatability modern fires is determined by the joint influence of the region's population number and the harsh conditions of the cold period. In the same region the importance of these factors may be different for urban and rural population. Comparison of the statistics of the fires of the late 19th and early 21st centuries has shown that moving large parts of the population in the city has resulted in the reduction of per capita number of fires, smoothing interseasonal differences in the frequency of their occurrence and the change of the seasons of maximum and minimum frequency of fires. The vast majority of the fires of the past and present have reasons associated with states and processes in society. In the 21st century they were responsible for 50 - 90%% of all fires in different regions. Some of them have deep social and cultural roots (carelessness, arson), has retained its significance level for over 100 years.