On Thursday, at least 5.3 million people in California were impacted by a tsunami warning after a measured magnitude 7.0 earthquake hit, according to the U.S. Geological Survey. Within hours, the warning was lifted. According to the National Oceanic and Atmospheric Administration, a tsunami is a series of waves generated by a large and sudden displacement of the ocean. Large earthquakes on the ocean floor are the most common cause, but landslides, volcanic activity, meteorites and certain types of weather can also cause a tsunami event. While they are infrequent in the U.S., weather experts say they do pose a serious threat to life and extensive damage when they do occur. But, could this type of activity impact Florida? MORE: https://www.wtsp.com/article/weather/weather-explainer/has-florida-ever-had-a-tsunami-how-likely-is-it/67-cf346a2e-447f-4b21-905c-2dad7b6c24f3