Hebgen Lake and Hebgen Fault
On August 17, 1959, a 7.5-magnitude earthquake occurred here, in southwestern Montana. The resulting displacement along a normal fault, called Hebgen Fault, was 20 feet. The earthquake triggered a landslide, which caused 80 million tons of rock to fall into the valley. The debris blocked the Madison River and created a new lake, called Earthquake Lake. 28 people camping in the area were killed that day. Yellowstone and the surrounding area is very much geologically active, and it was very impressive to visit a place like that after Field Camp was over.
Here are some pictures of the escarpment and Hebgen Lake. #FieldCamp