The terrifying events they experienced are known as the New Madrid quakes.

被称为新马德里地震。

It's located in a particularly earthquake-prone region called the New Madrid Seismic Zone.

它位于一个特别容易发生地震的地区，称为新马德里地震带。

The epicenter was the Missouri frontier town of New Madrid, which lies on the Mississippi River.

震中是位于密西西比河上的密苏里边境新马德里镇。

But here in New Madrid, the ground shook so violently in the night that many thought the world was coming to an end.

但是在新马德里，地面在夜间剧烈震动，以至于许多人认为世界即将结束。