Sep 152012
The U.S. Geological Survey reported a small 2.1 magnitude earthquake in eastern Frederick County near the Carroll County line.
USGS reported the earthquake happened around 6 a.m. Saturday. USGS says the epicenter was about three miles from Linganore, in Frederick County, and about 11 miles from Westminster in Carroll County.
Earthquakes with a magnitude of about 2.0 or less are usually called microearthquakes and are not commonly felt by people though they are recorded by instruments.