What's behind South Carolina’s recent earthquakes, plus, a cold blast and fire danger in Florida

A strong cold has ended Florida’s run of 80-degree heat, and will bring a freeze threat to parts of the state and fueling heightened wildfire danger amid dry, windy conditions. Also, since mid-January, South Carolina has been rattled by nine small earthquakes, according to the USGS. Here's a look at why earthquakes happen in South Carolina. Learn more about your ad choices. Visit podcastchoices.com/adchoices