Massive rock topple at Lake Powell over Memorial Day weekend threatens boaters.

Landslide deposits on the north slope of Verde Valley near the interchange of I-17 and AZ 179.

AZGS at work for Arizona: Landslides adjacent to I-17 between Black Canyon City and the Sunset Point Rest area

AZGS geoscientists are examining and mapping landslide features along the I-17 corridor from Anthem to Flagstaff. The results will inform ADOT's $300+ million project to improve I-17.

A summary of observations of a small-volume rockfall along Highway I-17 southbound, near mile-marker 250.