Is The New Madrid Fault Overdue 2024. Between december 1811 and february 1812, three earthquakes along the new madrid fault ranged between magnitudes 7 and 8. Yes, the new madrid fault zone is six times larger than the san andreas fault zone in california.

A letter from one of the survivors provides important details for scientists. 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.