Complex sentence: The earthquake was felt from Missouri to Mississippi, and was also felt in Illinois; according to the United States Geological Survey, it had a Mercalli scale intensity of VII and a Richter scale magnitude of 5.0.
Split into simpler sentences: The earthquake was felt from Missouri to Mississippi and was also felt in Illinois. According to the United States Geological Survey, it had a Mercalli scale intensity of VII and a Richter scale magnitude of 5.0.