According to the USGS at the University of Memphis, the quake was centered near Farrenburg, Missouri, 14 miles southeast of Sikeston. It occurred at around 7:18 pm CDT.
The USGS says that a quake of 2.5 is the threshold of humans being able to detect the ground shaking. No damage has been reported from this earthquake.
On the Net:
USGS-University of Memphis Seismic Information