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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?
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.
10 Earthquakes that Rattled Arizona
'Ten earthquakes that rattled Arizona', illustrates that Arizona has earthquakes and the potential for damaging, even life-threatening, earthquakes.
Fresh time-lapse videos of historic Arizona Earthquakes 1860-2019
Arizona has earthquakes as the three time-lapse videos show.
Full cost accounting of the 2010 Shultz Fire, Flagstaff, Arizona

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.

ML 3.6 Earthquake near Duncan/Safford in southeastern Arizona

At 10:01 a.m. on 27 April 2019, Duncan, Arizona and environs were rocked by an ML 3.6 earthquake. AZGS Research Geoscientist J.Y. Ben-Horin filed this preliminary report.

Rapid infilling of a fresh earth fissure in southern Pinal County, Arizona w/ comment by Ken Fergason
Rapid infilling of a 2-mile long fissure in the Tator Hills earth study area, Pinal County
Earthquake Swarm along the Washington Fault Zone, Arizona
Northern’ Arizona’s Washington Fault Zone (WFZ) has been reminding us of its potential for earthquake hazards over the past 3 weeks.
More than a map: the Geologic Highway Map of Arizona
The Geologic Highway Map of Arizona is a treasure trove ...
Arizona’s Broadband Seismic Network (ABSN) finally has statewide coverage
The Arizona Geological Survey’s broadband seismic network (ABSN) now provides a statewide seismic monitoring network that can be used to estimate seismicity rates, the amount of ground-shaking and can provide seismic data that can be used to image subsurface processes.
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