Naw, the Florida sinkholes are 'cos the area has limestone underneath it, and weak environmental acids cause it to dissolve, creating sinkholes. If there's any limestone here in the Dallas area, it's bound to be REALLY deep.
Well, my home survived the brief shocks I got last night, but two of my closet doors refuse to remain latched now. Grrrrr... this is supposed to be a stable section of the tectonic plate! Fracking earthquake!