Tsunamis

=__Tsunamis__= Tsunamis are enormous waves that occur after an earthquake, a volcanic eruption, or an underwater landslide has taken place. They are one of the most destructive forces on earth. Tsunamis can be up to 45 meters tall, over 500 km long, and it's top speed of 900 km/h. Tsunamis are known to destroy cities nearby the shore of continents and islands. These killer waves are most likely known to happen near the Ring Of Fire in the Pacific Ocean, and in the Mid-Ocean Ridge. In 2011, a magnitude 9.0 earthquake started a tsunami over 100 feet tall in lenght, killing millions of people in Japan.