OKLAHOMA CITY (AP) -- Tiny tremors shaking portions of central Oklahoma have proved more annoying than threatening but are still rattling homes and interrupting sleep.
Geologists aren't sure why the area around Arcadia and Luther is seeing an uptick in seismic activity. Some have speculated injection wells from the oil-and-gas industry could be contributing to the problem, while others say it's a natural phenomenon.
Since Tuesday, more than 16 minor temblors have been recorded in the region. The strongest quakes have ranged from magnitude 2.8 to 4.3.
In late 2011, the state's strongest quake ever was centered east of Luther in the Sparks community. It was magnitude 5.6 and damaged a spire at St. Gregory's University in Shawnee.
Luther Mayor Cecelia Taft is telling her residents to hang on.
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A former Broken Arrow police officer has tendered his resignation after being arrested on complaints of public intoxication and sexual battery.
Claremore police and the divers from the Tulsa County Sheriff's Office are searching for a missing teen.
The Mega Millions jackpot for Tuesday's drawing is now at $344 million after 18 consecutive drawings without a winner.