(CNN) — Here is a look at tsunamis. Tsunamis are formed by a displacement of water – a landslide, earthquake, volcanic eruption, or slippage of the boundary between two of the earth’s tectonic plates ...

Tsunamis are devastating natural disasters caused by underwater earthquakes, volcanic eruptions, or landslides that send massive waves crashing onto coastlines. The 2004 Indian Ocean tsunami remains ...

The deadliest volcanic disaster in Japan’s history did not end with fire or ash, but with water. When the slopes of a restless mountain collapsed into the sea in 1792, the impact hurled a towering ...