New Madrid Fault Zone 2025. The new madrid seismic zone, sometimes called the new madrid fault line, is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a. While there have fortunately not been many quakes big enough to garner much attention, the usgs says there have already been at least 63 felt.

So even then it was. Missouri’s new madrid seismic zone is in the news after the national guard held drills in downtown st.