Gov. Gary Herbert has designated April 4-10 as Earthquake Preparedness Week.
A website provides tips on what to do in preparation for an earthquake and its aftermath.
The Utah Seismic Safety Commission says about 700 earthquakes, including aftershocks, occur every year in Utah.
Roughly 80 percent of the state’s population would be affected by a magnitude 7.0 earthquake on the Salt Lake City segment of the Wasatch Fault.