Saturday, a few minutes before midnight, there was a M3.4 earthquake in North Texas near Mansfield, in the fracking zone.
From the Event Page, we see that it was a shallow quake withing the frackquake zone. depth=2.8km (1.7mi)
6km (4mi) NNW of Venus, Texas
8km (5mi) SSE of Mansfield, Texas
11km (7mi) W of Midlothian, Texas
14km (9mi) SE of Rendon, Texas
253km (157mi) NNE of Austin, Texas
As you can see from the map, there has been quite a bit of fracking in the area.
For more information about induced seismicity see the earthquake category.