Tsunamis; Killer waves

- Before You Read -

This year, because of Japan's tsunami, the world has shocked for a while. What is the tsunami? Why tsunami happens? Is Korea safe from tsunami? Tsunami is called Killer waves. Let's read the reading passage in order to find out information of tsunami.

Click ▷ http://environment.nationalgeographic.com/environment/natural-disasters/tsunami-profile/?source=A-to-Z

- After You Read -

Q1. What makes tsunami ?

Q2. What is the best defense against the tsunami for people?