When you think of earthquakes in the U.S., Texas is probably not the first state that comes to mind. But data from the U.S.

A moderately strong, 5.0-magnitude earthquake struck in Texas on Friday ... prompt U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that follows ...

An area of Texas could be set to receive more earthquakes as seismic activity moves along a newly activated fault zone.