A large crack has appeared in northern Wyoming. The crack is about 50 yards wide and nearly 600 feet long.

Big Horn Mountains, Wyoming.
Big Horn Mountains, Wyoming.

No one knows when the crack appeared, but it was first noticed on the first of October. Geologists suspect the crack is a result of a gradual landslide. Officials advise people to stay away from the crack, because the ground is unstable. Read more: 9news.com

Explore related stories