This one sounds bigger based upon initial reports.
I'm checking the Liberally Lean seismic equipment.
Developing . . .
DEVELOPING: USGS confirms quake in Dallas area. Magnitude in order of 3.5 (preliminary/unofficial). More to Come. pic.twitter.com/sWVc4aelsb
— WFAA TV (@wfaachannel8) January 6, 2015
Edit: If you read this on Wednesday morning, you're probably aware there were eight more over the next few hours.