Almost all of the boiling springs, spouting boiling springs and more than 20 times of hydrothermal explosion events since 1993 in this area are distributed along the NW-trending fault, indicating that the fault has been recently very active.

The underground powerhouse of Goupitan Hydropower Station in Wu River is located in limestone rock area,where the geological condition is very complex,and many main geological problems such as karst,NW and NWW-trending rupture,intercalated sliding,weak interbed,weak rock are existed.