arizona, geomorphology, structure

Understanding Earth Fissures: A Man-Made Geohazard

https://www.youtube.com/watch?v=1SXaMH8gV6I Earth fissures are long, narrow cracks in the ground that form where the ground is sinking. They can erode very quickly, posing a hazard to nearby infrastructure. In Arizona, land subsidence--the sinking of the earth--is caused by groundwater withdrawal, meaning that earth fissures are a man-made--or anthropogenic--hazard. This video that I made as part… Continue reading Understanding Earth Fissures: A Man-Made Geohazard