Application of geophysical exploration methods in prospecting geological disasters in coal mine

Coal mining has caused a lot of geological disasters.A lot of geophysical exploration methods such as high density resistivity method,transient electromagnetic method and radon measurement can be used to prospect geological disasters in coal mine and identify the influence scope,based on the geophysical characteristics of the geological disasters,so some measures may be taken timely to control the disasters and the loss could be reduced to the minimum.