Check out some of my favorite maps.
Where is a rockfall most likely to occur? Drag the slider to see a rockfall susceptibility heat map.
We know steep rocky cliffs are vulnerable to rockfall, but how vulnerable? Due to pre-existing fractures in the bedrock, cliffs facing a certain direction are especially prone to generate rockfall. Here, a northwest facing cliff (in red) is highly susceptible to rockfall in Skagway, Alaska.