According to Dr. Thomas Pratt, a research geophysicist at the U.S. Geological Survey ... Seismic activity is ongoing along the New Madrid fault line. In the 1990s, a few magnitude 4 earthquakes ...
The last powerful seismic activity occurred between 1811 and 1812 when three quakes hit that were 'estimated to be between magnitude 7 and 8,' according to the U.S. Geological Survey. The swarm ...
Right, Yeah. Our geologists who would say it's a deadfall. It's not moving, it's not creeping. But the seismicity has been recorded since 1972 that it's much smaller seismicity, but we have a ...