Centered in New Madrid, Missouri, the seismic zone “is the most active seismic area in the United States east of the Rocky ...
A 3.8-magnitude earthquake hit part of eastern Arkansas Wednesday ... The area lies along the New Madrid fault. The fault is ...
the seismic zone “is the most active seismic area in the United States east of the Rocky Mountains,” according to the Missouri Department of Natural Resources. The fault line includes areas of ...
New Madrid Seismic Zone is the most active seismic area in the United States east of the Rocky Mountains. Getty Images/iStockphoto A swarm of earthquakes rattled along the New Madrid fault line ...