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October 25, 2009

Did you feel it? Earth tremor in Franklintown, Pa.

USGS 

The Earth quivered a bit this morning up near Franklintown, Pa., about 58 miles north northwest of Baltimore. It was a small one, with a magnitude of just 2.8. recorded by the U.S. Geological Survey at 7:21 a.m. Sunday.

Here are some more details on the tremor. And here is a bit on the history of quakes in Pennsylvania.

Quakes this size are barely perceptible, even close to the epicenter. No damage would be expected. But if you're in the region and felt something, drop us a comment and describe where you were, the time, what you were doing and what you felt. You should also report it to the USGS, here

Posted by Frank Roylance at 8:25 AM | | Comments (0)
Categories: Earthquakes
        

August 14, 2009

Small quake jiggles SW Virginia

Virginia quakeA small earth tremor, rated with a magnitude of 2.5, shook portions of southwestern Virginia at about 9:48 a.m. today.

UPDATE: This tremor has been revised upward, to a 2.9

The epicenter (red dot on the map at left)was placed about 2 miles northeast of Nickelsville, which is northwest of Bristol, Tenn. The shake originated with movement about 3 miles below the surface.

Here is a map of recent seismicity in Virginia.

And here is a history of Virginia quakes.

Posted by Frank Roylance at 11:20 AM | | Comments (0)
Categories: Earthquakes
        
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About Frank Roylance
Frank Roylance is a reporter for The Baltimore Sun. He came to Baltimore from New Bedford, Mass. in 1980 to join the old Evening Sun. He moved to the morning Sun when the papers merged in 1992, and has spent most of his time since covering science, including astronomy and the weather. One of The Baltimore Sun's first online Web logs, the Weather Blog debuted in October 2004. In June 2006 Frank also began writing comments on local weather and stargazing for The Baltimore Sun's print Weather Page.

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