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Origin of explosion pits on Banco Bonito Rhyolite flow
Investigating the origin of explosion pits on the surface of the ~68 ka Banco Bonito Rhyolite Lava Flow,
Rock Topple Event at Lake Powell, Memorial Day Weekend 2022
Massive rock topple at Lake Powell over Memorial Day weekend threatens boaters.
Arizona geoscientists anchor ‘Advances in Wildfire-Related Earth Surface Processes’ at GSA Annual Conference
UArizona geoscientists engaged in post-wildfire impact on geologic processes impacting geomorphology.
2021 Monsoon rains reactivate earth fissures in Cochise County, Arizona
Earth fissures reopen near Dragoon Rd. and elsewhere in Willcox Playa area.
NEW geologic maps February 2021
We just finalized and released seven (7) digital geologic maps.
USGS, AZGS, & UArizona Geosciences collaborate on post-wildfire debris flow research in the southwest
AZGS has partnered with UArizona Geosciences and the US Geological Survey on understanding post-wildfire debris-flows in the southwestern U.S.
2 New Geologic Videos & 1 New Geologic Map
We are posting our GSA2020 Connects presentations and one new geologic map.
Magnitude 3.3 earthquake occurs eight miles east of Flagstaff, Arizona
On 13 Oct. 2020 at 9:16 a.m. (MST / PDT) , a shallow magnitude 3.3 earthquake rattled Walnut Canyon about 8 miles east of Flagstaff, Arizona (population ~ 74,000).
After a wildfire, how intense does rainfall need to be to cause a debris flow?
Monitoring precipitation and post-wildfire debris flows in mountains of the arid Southwest U.S.
Earthquakes, volcanoes, floods, tsunamis and landslides in the Western U.S.: the role of state geological surveys
State geological surveys play a pivotal role in identifying, evaluating and communicating geologic hazards to their state’s constituents.
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