AX203_0875_9At this point they’re now just a thing we’ve come to expect every so often — ho hum, just another minor earthquake near or even on the old Texas Stadium site. Maybe you felt last night’s 2.4 or Tuesday’s 2.8. Maybe you didn’t. But don’t worry. There’s probably another on the way.  And that’s why Irving’s city manager, Chris Hillman, has decided to call in the experts. On Monday, researchers from SMU’s seismology program are heading to Irving to install additional seismographs to see if they can determine what’s responsible for the uptick in quakes along the Balcones Fault in Irving in recent months. And on January 15, SMU seismology professor Brian Stump — the area’s go-to man when it comes to question-mark-shaped quaking — will be among those experts briefing the Irving City Council on the shaking taking place near the Trinity East gas well site and the long-ago home of the Dallas Cowboys. More