How Bad Will the New Madrid Earthquake Be?

By Anna Duncan

The New Madrid Seismic Zone, located in the central United States, is one of the most active earthquake zones in the country. While earthquakes in this region are relatively infrequent, they can be incredibly powerful and destructive when they do occur. Many people have been wondering just how bad a future earthquake in this region might be.

What is the New Madrid Seismic Zone?

The New Madrid Seismic Zone (NMSZ) is located in the central United States, stretching from northeastern Arkansas to southwestern Illinois. The NMSZ is a fault system that formed as a result of ancient geologic activity. The fault system is complex and consists of several interconnected faults that run through the region.

How Bad Could an Earthquake Be?

Experts agree that a major earthquake in the NMSZ could be devastating. In fact, it’s believed that if an earthquake similar in strength to the 1811-1812 earthquakes occurred today, it would cause widespread damage and disruption across multiple states.

The 1811-1812 Earthquakes

The most powerful earthquakes ever recorded in the NMSZ occurred between December 1811 and February 1812. These earthquakes were so strong that they were felt as far away as Washington D.C., Boston, and even Montreal.

Reports from eyewitnesses describe massive ground movements, with trees uprooted and thrown into rivers. The Mississippi River reportedly ran backwards for a time due to the ground movement.

Predicting Future Earthquakes

Predicting when a future earthquake will occur is difficult if not impossible. However, scientists do know that earthquakes will continue to occur in this region with some regularity.

Preparing for an Earthquake

While it’s impossible to predict when an earthquake will occur or how strong it will be, there are steps you can take to prepare for an earthquake. These include:

  • Creating an emergency preparedness kit
  • Securing heavy furniture and appliances to prevent them from tipping over
  • Making a family emergency plan
  • Knowing how to shut off utilities such as gas, water, and electricity

The Bottom Line

While it’s impossible to predict when or how strong a future earthquake in the NMSZ will be, experts agree that a major earthquake in this region could be devastating. By taking steps to prepare now, you can help protect yourself and your family in the event of an earthquake.