The earth under North Texas barely stirred for at least a century, until something down there snapped in 2008.
Swarms of small quakes rippled up from unknown faults beneath the soil. They rustled Cleburne, Azle and Irving. Last week’s 15 temblors around the old Texas Stadium site included the strongest yet in Dallas County, and their waves shook downtown office towers.
Keep reading at the Dallas Morning News.