Flagstaff's Museum Fire 2019 continues to produce damaging debris flows during 2021 summer monsoon season.

Fossil track-way discovered in the Moenkopi Formation, Flagstaff, Arizona.

AZGS report, "Landslide mapping along the Interstate-17 corridor from Anthem to Flagstaff, AZ" is now available online.

On 13 Oct. 2020 at 9:16 a.m. (MST / PDT) , a shallow magnitude 3.3 earthquake rattled Walnut Canyon about 8 miles east of Flagstaff, Arizona (population ~ 74,000).

Dr. Richard F. Holm awarded the prestigious ‘Best Popular Guidebook Award’ from the Geoscience Information Society for 2020.

A 4-minute Google Earth flight examining the Lake Mary and Cataract Creek Fault systems near Flagstaff, Arizona.

"This geology and trail guide is for anyone who likes to walk, be outdoors, and is interested in the geology in and around Flagstaff.” Richard Holm

AZGS submits four digital geologic maps to US Geological Survey STATEMAP program.