Video Captures Moment When Tsunami Hits Greenland's West Coast

Let’s find out how tsunamis are formed A tsunami is formed as a result of a major disturbance on the ocean floor that displaces a large volume of water. This disturbance may be caused by underwater earthquakes, landslides, volcanic eruptions, or even meteorite impacts. When water is suddenly displaced, massive waves are generated and begin to spread outward from the point of disturbance, forming what we know as a tsunami. 1. DISTURBANCE ON THE OCEAN FLOOR The main triggers include tectonic plate