What are Tsunamis? - Causes, Effects & Facts

Tsunami Facts and Information

Tsunami de Fukushima : la vague mesurait bien 15 mètres de haut

The tallest tsunami wave ever wasn't the deadliest

What makes tsunamis so massive? 🌊 Tsunamis are triggered by large shifts in ocean water—often from earthquakes, but also volcanic eruptions, landslides, and even asteroid impacts. These waves can travel as fast as a commercial airplane (500 mph)!In the deep ocean, tsunamis aren’t as tall as they appear when they reach shore because their energy travels deep beneath the surface. Regular waves only move energy near the top, but a tsunami’s energy comes from the ocean floor, pushing through the en

5 facts about tsunamis