Tidal waves are shallow water waves caused by the gravitational interactions from the sun, moon and Earth, and tsunamis are large ocean waves triggered by volcanic eruptions, landslides and large earthquakes under the oc... More »

Tidal waves are caused by the gravitational fields of the sun, the moon and the earth. A tidal wave is a small, regularly occurring wave caused by the shifting of the tide. More »

Tidal waves start out in the deep ocean and push toward the coastline, sculpting many coastal habitats. They are the largest waves on the planet. More »

Tsunamis usually occur when earthquakes take place underneath the ocean at tectonic plate boundaries, or when volcanic eruptions or landslides take place in the ocean. Underwater earthquakes cause the ocean floor to fall... More »

Tsunamis happen when earthquakes, landslides or volcanic eruptions disturb the ocean floor. Most tsunamis occur when there are earthquakes at tectonic plate boundaries. When the ocean floor at the boundary rises or falls... More »

www.reference.com Science Earth Science Tsunamis

Tsunamis are formed by violent underwater earthquakes, landslides, volcanic eruptions, and, rarely, meteor impacts. These events cause sudden and drastic displacement of water, forming massive waves in the process. More »

www.reference.com Science Earth Science Tsunamis

Tsunamis, giant waves that sometimes travel across entire oceans, are triggered by underwater earthquakes or volcanic eruptions. In the open ocean, tsunamis can be barely noticeable, but as they approach land, the waves ... More »

www.reference.com Science Earth Science Tsunamis