The New Madrid Fault, located in the central United States, is a seismically active area that has experienced several major earthquakes in the past. The most notable of these events occurred in 1811-1812, when a series of powerful earthquakes shook the region.
The question on many people’s minds is – How far would a new earthquake along this fault be felt? Let’s explore this topic in detail.
The New Madrid Fault
The New Madrid Fault is named after the town of New Madrid, Missouri, which lies near its center. This fault system stretches for more than 150 miles through parts of Missouri, Arkansas, Tennessee, and Kentucky. It was formed millions of years ago as the North American Plate shifted and pushed against the smaller plates that make up the Earth’s crust.
Earthquakes Along the Fault
Since it was first discovered in 1811, the New Madrid Fault has been responsible for numerous earthquakes. The largest of these occurred between December 1811 and February 1812 and were estimated to have a magnitude between 7.5 and 8.0 on the Richter scale. These quakes were felt as far away as Canada and caused severe damage throughout the central United States.
How Far Would A New Earthquake Be Felt?
The intensity of an earthquake is measured on the Modified Mercalli Intensity Scale (MMI), which rates earthquakes from I to XII based on their effects on people and structures. According to experts, a new earthquake along the New Madrid Fault with a magnitude of 7 or higher would be felt across much of North America.
However, it’s important to note that not all areas would feel equally strong shaking from an earthquake along this fault. Areas closest to the epicenter would experience stronger shaking than those farther away. Additionally, factors such as soil type and building construction can also affect how strongly an earthquake is felt in a particular area.
Preparing for Earthquakes
While it’s impossible to predict when or where an earthquake will occur, there are steps you can take to prepare for one. The Federal Emergency Management Agency (FEMA) recommends that you make a plan with your family and have emergency supplies on hand. This can include items such as food, water, first aid supplies, and flashlights.
In conclusion, a new earthquake along the New Madrid Fault would be felt across much of North America, but the intensity of shaking would vary depending on proximity to the epicenter and other factors. By taking steps to prepare for earthquakes, you can help ensure your safety and the safety of those around you in the event of a seismic event.