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  • AZGS Newsletter Winter 2021

    AZGS Newsletter Winter 2021
    Read more
    Photo by Ted Grussing

  • AZGS Offices Closed - Staff working remotely

    read more

  • Directory of Arizona's Active Mines 2021

    Report on active mines in Arizona in 2021.
    Read More
    Photo: Morenci Mine by Tom Blackwell

  • Interactive Geologic Map of Grand Canyon

    Explore Grand Canyon with one of our most popular maps
    Read More

  • AZGS Publications & Online Resources

    Reports, geologic maps, mining data, database services, and more
    Explore Now
    Photo: Sedona Summer by Ted Grussing

News

Thursday, April 21, 2022

Virtual Earthquake Mitigation Training Courses May-June 2022
Tuesday, January 11, 2022

Release of Directory of Active Mines in Arizona 2021
Tuesday, January 11, 2022

Interactive Viewer: Active Mines in Arizona Viewer 2021
Thursday, December 23, 2021

Arizona Geology Newsletter - Winter 2021
  • Read All News

Maps & Database Services

AZGS Document Repository

Geologic reports & maps published from 1915 to the present. Free download | No log-in.

Touring geoheritage sites of Flagstaff and Environs

A StoryMap tour of 30 prominent geologic and archaeological features near Flagstaff, Arizona

Natural Hazards in Arizona

Natural hazards viewer showcasing earth fissures, active faults and earthquakes, flood potential and fire risk index.

AZGS Mining Data

1000s of original, historic Arizona mine files, photographs, and maps from the former AZ Dept. of Mines and Mineral Resources.

  • See All Services

Natural Hazards

Interactive map highlights fissures, floods, fires, earthquakes, and fault lines in Arizona.

AZGS Hazard Viewer

Go to the Viewer

Ask a Geologist

Questions about the minerals, rocks, landscape features, or natural hazards of Arizona? Ask us!

Ask a Geologist

Ask a Geologist

From the Blog

  • Helium exploration and exploitation in the Holbrook Basin, Arizona
  • NEW Digital Geologic Maps in 2022: Mohave and Graham Counties
  • Organ Pipe Cactus National Monument established 13 April 1937
  • Critical Minerals in World War 2
  • Geology & Geochronology of four 7.5' quadrangles straddling the southern border of AZ - CA
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The maps, reports, and other information and content on this website are provided as a public service for informational purposes only.  Accuracy is not guaranteed, and the information contained or linked on this website should not be relied on except as general information.  The University makes no warranties or representations of any kind, and specifically disclaims all warranties including the warranty of merchantability and fitness for a particular purpose.  Users are responsible for verification of all facts and information to their own satisfaction.

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