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   CAPE GIRARDEAU, Mo. (AP) - New research by the U.S. Geological Society suggests that while the New Madrid Seismic Zone hasn't produced a major earthquake in more than 200 years, the risk remains.

   The Southeast Missourian reports that scientists used new technology to develop high-resolution imagery of the seismic zone centered around New Madrid, Mo. The imagery allows for more detailed mapping, showing weak rocks in the zone that are found at deeper depths in the Earth's mantle compared to surrounding areas.

   Findings were published recently in the Earth and Planetary Science Letters journal.

   University of Memphis earthquake expert Charles Langston says at least 200 earthquakes occur in the seismic zone every year, but most are very small. He believes there's a good chance of a damaging quake in the next 50 years.

 

Published in Local News

CAPE GIRARDEAU, Mo. (AP) - The U.S. Geological Survey is conducting low-level flights across sections of Missouri, Arkansas and Tennessee this week looking for clues about the New Madrid earthquake fault zone.

The USGS begins conducting the flights Wednesday over a 1,400-square-mile area across southeastern Missouri, northeastern Arkansas and western Tennessee. Crews will be measuring the magnetic field of the earth and underground rock formations to help locate concealed faults associated with the New Madrid seismic zone.

The USGS says the New Madrid area has been the most seismically active region in the United States east of the Rockies for decades.

The USGS says while there's no evidence of an imminent large earthquake, the agency has serious concerns about the potential repeat of a destructive earthquake like those that occurred in the 1800s.

 
Published in Local News

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