Do recent earthquakes in northern Sonora represent late aftershocks of the 1887 M7.5 earthquake?
Recent Posts
e-Mail note from the American Geosciences Institute regarding projected employment growth in the geoscience workforce over the next decade.
Touring the stones and stories of downtown Phoenix.
A 4-minute Google Earth flight examining the Lake Mary and Cataract Creek Fault systems near Flagstaff, Arizona.
AZGS has a strong presence at GSA-2019 in Phoenix, Arizona, on the week of 22 Sept. 2019.
'Ten earthquakes that rattled Arizona', illustrates that Arizona has earthquakes and the potential for damaging, even life-threatening, earthquakes.
AZGS contributed nearly $32 million to Arizona’s economy over the past year – a 34-fold return on the survey’s FY-2018 state allocation of $941,000.
Between 1983 and 2018, Bill Chenoweth published ~ 150 uranium reports for sites in the southwestern US.
Dr. Spencer R. Titley passed away in Tucson on Sunday morning, August 18, 2019.
Sarah (Andrews) Brown, petroleum geologist and author of the Em Hansen mystery series, passed away in a private plane crash along with her husband, Damon, and their son Duncan on 24 July 2019.
In FY 2019, there were 380 active, full-time mines or development projects in the state of Arizona (Richardson and others, 2019). The new Directory of Active Mines in Arizona: FY 2019, a joint product of the Arizona Mine Inspector’s Office and the Arizona Geological Survey, characterizes those active mines.
Arizona has earthquakes as the three time-lapse videos show.
The Grand Canyon Panorama Project is a collection of hundreds of interconnected 360° panoramas of Grand Canyon National Park. The project was created by me 20 years ago.
"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
The raw results of spring's AZGS economic impact survey are now in. We are pulling together the survey data, interviews, and web analytics to complete the picture. Stay tuned.
Donald J. Applebee Jr., geologist and former President of the Arizona Geological Society passed away suddenly on 27 May 2019.
Assay results from Bell Copper's K-20 drill hole, Perseverance Project, Kingman, Arizona
The Black Point Lava Flow in a new AZGS electronic postcard is a timely reminder of the Apollo program, 50 years after the first landing on the Moon, and of NASA’s recently articulated goal to land astronauts at the lunar south pole within the next five years.
Do you recall the Schultz Fire of 2010 that ravaged the southeast flank of San Francisco Mountain? The team at NAU’s Ecological Restoration Institute published a 44-p. report detailing the economic impact of this modest-size fire. The ecological and human impact of the fire lingers on.
The Arizona Geological Survey is celebrating GSA-2019 with 21 Arizona Rocks! digital postcards.
