New Madrid Fault 2024. 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. Since 1974, seismometers, instruments that measure ground shaking, have recorded thousands of small to moderate earthquakes.

A small earthquake brought tremors across the tennessee, kentucky and missouri border earlier this month, a reminder that much of the midwest sits on a major fault line, which. The new madrid fault had an unexpected event sunday night with southeastern missouri experiencing the 2nd largest quake of 2024 so far.