The US Geological Survey reported a magnitude 2.2 earthquake at exactly 8 p.m. Saturday.
The epicenter is the southern part of Lake Carolyn in Las Colinas. That is also 3 miles north-northeast of the center of Irving at a depth of 3.1 miles.
This is the latest in a series of earthquakes. The largest was one on Jan. 6 with a magnitude of 3.5.
Three dozen earthquakes have been recorded around the old Texas Stadium site since October; no injuries or significant damage have been reported in any of the earthquakes.
A team from Southern Methodist University is studying the temblors.
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