A 3.4-magnitude earthquake struck roughly 4 miles southwest of Redlands near the border of Riverside and San Bernardino counties Friday evening. The earthquake is the third sizable quake to hit

Since the U.S. Geological survey upgraded its earthquake monitors in northwest Louisiana, its earthquake map is showing much smaller quakes than previously. The area has been of interest to seismologists since a historically-large quake in March.

There's a chance even more earthquakes will occur in the same area, a USGS research geologist told Newsweek.

A recent series of earthquakes in Nevada has served as a jolting reminder of the state's seismic risk. It started with a scary earthquake near Reno, then more unsettling shaking near Las Vegas. Neither earthquake caused significant damage,

The United States Geological Survey reports a preliminary magnitude 4.8 earthquake struck near Crescent City on Friday night. The quake hit at 9:57 p.m. at a depth of 2.49 kilometers. There was no initial word on damage or injury resulting from the quake.