A fourth minor earthquake in three days has been reported in North Texas.
The U.S. Geological Survey reported a 2.6 magnitude quake struck about a mile south of Alvarado in Johnson County at about 11 p.m. Monday.
There were no reports of damage or injuries.
Two other earthquakes hit Johnson County over the weekend and one was reported in Navarro County early Monday morning.
No one was injured in any of the previous quakes.