KMOV St. Louis - "An early morning earthquake rattled central, eastern and southern parts of Missouri and Illinois on Tuesday.
According to a preliminary report by the National Weather Service, the 4.2 magnitude quake happened around 3:10 a.m. local time near Sullivan, Missouri.
Residents stretching from St. Louis, to Columbia, Missouri and Carbondale, Illinois felt the tremor, and say it lasted between five and 30 seconds.
No damage or injuries have been reported at this time.
The 4.2 magnitude earthquake located 52 miles southwest of St. Louis, Missouri shook the ground at 4:10am Louisville time. It's location is the blue square on the map below. The largest historical earthquake in this region was a 5.4 magnitude which damaged parts of southern Illinois in 1968.
A similar 5.4 magnitude earthquake happened on April 18th, 2008 and shook Louisville and the Ohio Valley region.
Go to the USGS Earthquake Map and Information page for much more information.
Here's more about the Illinois Basin - Ozark Dome Region (our area).
Information and maps provided by the USGS.