New Madrid Fault Line Map 2024. The colors are keyed to the peak intensity. Researchers have mapped out three currently active ancient fault lines — fissures in the earth’s crust — in the new madrid area that formed around 500 million years ago, at a.
3 earthquakes in the past 7 days. There are hundreds of minor earthquakes each year in missouri’s new madrid seismic zone (nmsz), but most of them are too small for people living in the area to feel.