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Small earthquake swarm detected near Roosevelt, Arizona: Feb. 25, 2022
Small swarm of earthquakes occur near Theodore Roosevelt Lake of central Arizona in February 2022.
Recent seismic excitement in the area of the 1887 Great Sonoran Earthquake
Recent seismicity in southeastern AZ, southwestern NM, and northern Mexico may reflect long term phenomenon coupled with the Great Sonoran M7.5 event of 1887.
10 Earthquakes that Rattled Arizona
'Ten earthquakes that rattled Arizona', illustrates that Arizona has earthquakes and the potential for damaging, even life-threatening, earthquakes.
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.

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.
Shaking it up with AZGS’ Earthquake Fault Videos
Arizona has earthquakes and we have the video evidence to prove it
Getting real about earthquakes in Arizona: AZGS at work for Arizona

On the evening of 1 Nov. 2015, residents of the Phoenix Metro area were rudely awakened when a magnitude 4.1 earthquake shook the valley. According to the Arizona Republic, and numerous other Phoenix-based media outlets, people across the Valley of the Sun felt a sharp jolt followed by several seconds of ground shaking. There were no reports of injuries or damage. That modest earthquake generated the sort of media attention that might normally accompany a punishing magnitude 5 or 6 earthquake. But as with real estate sales, it’s all about location.

Remembering M. Lee Allison: One Year Later
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