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Are small magnitude earthquakes in N. Sonora aftershocks of the 1887 M7.5 earthquake?
Do recent earthquakes in northern Sonora represent late aftershocks of the 1887 M7.5 earthquake?
Geoscience Workforce Employment Changes (2018-2028)
e-Mail note from the American Geosciences Institute regarding projected employment growth in the geoscience workforce over the next decade.
Walking & Geoheritage Tour of Phoenix, AZ
Touring the stones and stories of downtown Phoenix.
Google Earth Tour: The Faults of Flagstaff, Arizona
A 4-minute Google Earth flight examining the Lake Mary and Cataract Creek Fault systems near Flagstaff, Arizona.
AZGS puts its shoulder to the wheel at GSA-2019
AZGS has a strong presence at GSA-2019 in Phoenix, Arizona, on the week of 22 Sept. 2019.
UA Arizona Geological Survey Activities Help Power Arizona’s Economy
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.
Bill Chenoweth's uranium reports - AZ, CO, NM, UT
Between 1983 and 2018, Bill Chenoweth published ~ 150 uranium reports for sites in the southwestern US.
RIP Dr. Spence Titley 1928 -2019
Dr. Spencer R. Titley passed away in Tucson on Sunday morning, August 18, 2019.
A death in the family: Sarah (Andrews) Brown
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.
NEW Directory of Active Mines in Arizona 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.

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