system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
Did an earthquake once reverse the course of the Mississippi River?
gpt
A magnitude 8.3 earthquake, which was the strongest one ever recorded in the United States, started near New Madrid, MO. It temporarily reversed the course of the Mississippi River. The earthquake occurred on February 2, 1812. 