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A swarm of earthquakes rattled along the New Madrid fault line, sparking fear of the “big one” shaking the area known for tremors. Centered in New Madrid, Missouri, the seismic zone “is the ...

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 ...

Officials with the Evansville/Vanderburgh County Emergency Management Agency in Indiana say seven earthquakes happened Monday morning around the New Madrid fault line.