In 1888, Blandy was appointed Arizona's territorial geologist, a position created five years after Gov. Frederick A. Tritle asked Congress to establish a geological survey for the territory.

On Sunday afternoon, parts of Yavapai County saw the ground shake with an earthquake hitting the area according to the United States Geological Survey. According to the USGS Earthquake map, a 3.8 ...

RELATED: USGS: Largest earthquake in swarm shakes Arizona on Friday There have been a total of 505 earthquakes since January 1, 1970, with the highest magnitude quake (5.3) occurring in 1993 ...

To learn more about the history of geological mapping in the Grand Canyon region, visit The Grand Canyon Dragon Map exhibit at the Museum of Northern Arizona, which will be on display until ...

The USGS Astrogeology Science Center in Flagstaff, Arizona recently released a series of geologic Martian maps that could all be impactful to future missions to the Red Planet.

Another earthquake -- the largest one recently recorded -- shook northwestern Arizona early Friday morning. According to the Arizona Geological Survey, a magnitude-3.4 quake took place near ...

Wildlife managers, scientists and conservationists have a more complete ecological map of the American West with the release today (Thursday) of 36 new big-game migration routes by the U.S. Geological ...