Replies to post #356952 on Tornado Alley (PROG)

[fuagf]

You got me again. Lahars move rapidly down valleys like rivers of concrete

If you are on the floor of a valley that leads from a volcano and become aware of an oncoming lahar, seek high ground.

https://www.usgs.gov/natural-hazards/volcano-hazards/lahars-move-rapidly-down-valleys-rivers-concrete