At 8:34 this morning we felt the 10th earthquake in 24 hours.  Irving has been averaging about 2 earthquakes a week for the last couple of months and it is believed to be the result of fracking in the area.  On Janurary 7th the largest at the time of 3.5 hit Irving.  Since that time a 3.6 hit and 8 additional smallers ones have hit.