Storm Eleanor has left Cornish beaches littered with waste scooped up from the seabed by the waves. Martin Dorey, of campaign group #2minutebeachclean, said it was a "tidal wave of waste" and ...

Tsunamis (pronounced soo-ná-mees), also known as seismic sea waves (mistakenly called "tidal waves"), are a series of enormous waves created by an underwater disturbance such as an earthquake ...