[Lil'freeper]

I'm guessing the second one is a slump, or some type of mass wasting event.

[kinsman redeemer]

I agree.

[cogitator]

I'm guessing the second one is a slump, or some type of mass wasting event.

Definitely correct, and since this isn't a challenge, I'll put up the reason that I posted this: this is the Slumgullion earthflow in Colorado. Now, I can't explain why I woke up with "slumgullion" on my mind this morning, but I did.