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REPORT COPYRIGHT VIOLATION IN REPLY
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Message Subject
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3.5...Another Quake In Arkansas...So Much Activity!
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Poster Handle
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thecwexperience |
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Post Content
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[link to earthquake.usgs.gov]
EXCERPT
".....Arkansas
Earthquake History
The northeast section of Arkansas is located in the New Madrid seismic zone and was seriously affected by great shocks that occurred in that zone, in 1811 - 1812. Arkansas' 40-mile-long, half-mile-wide Lake Saint Francis was formed by these earthquakes.
The Mississippi embayment - fall line area, in which the New Madrid seismic zone is located, extends from Cairo, Illinois, south through northeastern Arkansas, western Kentucky, and Tennessee, then westward to include the lowland area of southern Arkansas, the eastern Oklahoma - Texas border area, and northeastern Texas. Major historic seismic activity has been limited to a line extending west of the Mississippi River, from Cairo to west of Memphis. Several damaging earthquakes have occurred along this line, in addition to the New Madrid shocks mentioned earlier. Indian tradition and geologic evidence indicate an earlier history of severe earthquakes in the same area. ......"
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