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  • Earthquake Preparedness Drill

    October 18, 2018

  • Interactive Geologic Map of Grand Canyon

    Explore Grand Canyon with one of our most popular maps
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  • AZGS Publications & Online Resources

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

  • Geoscience at Work for Arizona

    Center for Natural Hazards
    Photo: US 89 landslide repair by ADOT

  • Explore Northern Arizona's San Francisco Volcanic Field

    Learning geology through StoryMaps
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News

Paul Lindberg

Prominent Economic Geologist Paul Lindberg passes away

Monday, June 18, 2018
Read more
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AZGS Director attends Association of American State Geologist Annual Meeting

Sunday, June 3, 2018
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  • Read All News

Maps & Database Services

AZGS Document Repository

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

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.

Geologic Map of Arizona
Interactive geologic map of Arizona
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AZGS Projects

Earth Fissure Program

Mapping and monitoring earth fissures in basins of central and southeastern Arizona

Environmental Geology

Addressing the impact of geologic setting and processes on human society

Earthquake Monitoring

Tracking earthquake events and earthquake impacts in Arizona and environs

Data Science

Putting data science to work for a safer, more resilient Arizona

Outreach | Education

Bridging the gap between geoscience and the community

STATEMAP

AZGS and USGS partnership to produce digital geologic map products

  • See All Projects

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

  • Another year of STATEMAP!
  • Geoheritage Tour of Southern Arizona
  • Life of a Sand Grain
  • In the Footsteps of the Master
  • Earth fissure undermines Houston Avenue in Apache Junction, Arizona
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