http://www.semissourian.com/story/1818239.html
Earthquake with local epicenter felt in 16 states; little damage reported
Wednesday, February 22, 2012
From staff and wire reports
EAST PRAIRIE, Mo. -- A 4.0 earthquake with an epicenter in Mississippi County early Tuesday morning prompted reports of shaking in 16 states but caused little damage.
[snip]
The quakes came two weeks following the 200th anniversary of the last earthquake in the 1811-1812 New Madrid Earthquake Sequence, which were among the strongest ever in the U.S. Their magnitudes are estimated to have ranged from 7.7 to 8.1. Shockwaves spread as far as New York and the force of the temblors reportedly rang church bells in Boston. The Mississippi River reversed flow for a time...
Wednesday, February 22, 2012
From staff and wire reports
EAST PRAIRIE, Mo. -- A 4.0 earthquake with an epicenter in Mississippi County early Tuesday morning prompted reports of shaking in 16 states but caused little damage.
[snip]
The quakes came two weeks following the 200th anniversary of the last earthquake in the 1811-1812 New Madrid Earthquake Sequence, which were among the strongest ever in the U.S. Their magnitudes are estimated to have ranged from 7.7 to 8.1. Shockwaves spread as far as New York and the force of the temblors reportedly rang church bells in Boston. The Mississippi River reversed flow for a time...