Arizona Earthquakes 2012-2016                    
Cochise College                                                                                        
Geology Home Page 
Geology Exploration Using Google Earth  
Roger Weller, geology instructor 
last edited:  3/22/18         4 views

    I am frequently asked the question, "Are there earthquakes in Arizona?"  It is easier to show maps
than try to explain details.  The locations of these earthquakes were derived from USGS Magnitude
1.0+ Earthquakes For the Past Week.  Earthquake centers tend to hop around and the patterns change
every year.

Arizona earthquakes 1.0 and greater from October 2012 to August 2016


     Here is a cluster of earthquakes in the northwest corner of Arizona.  Many times in the past a large
concentration of earthquakes occurred right under the Grand Canyon Village: for the past 4 years this
area has been quiet.


     There was also a weak cluster of earthquakes in the central area of Arizona.

Between Duncan, Arizona and San Simon, Arizona there was a cluster of fairly large earthquakes in the
3 range (Richter scale).  This was quite mysterious because there is no volcanic activity in the area and
 there are no major faults.

Just credit photos to Google Earth/R.Weller/Cochise College.