1. The Study of EarthquakesBy
Mrs. Anita Gordon

2. Introduction
What is an earthquake?

3. A shaking of the earth's surface/crust caused by the release of stress accumulated along geologic faults or by volcanic activity.

4. Test Your Knowledge
What country in the world has 2,000 tremors a day? (That is nearly 6 earthquakes a day!)
An earthquake can cause a huge tidal wave called a ___________?
What actually causes an earthquake?

5. The country that has the most reported earthquakes is called Tajikistan. It is a country of tall mountains located on the border of Afghanistan.

6. An earthquake can cause a huge tidal wave
called a tsunami.

7. A tsunami can cause severe destruction
and possibly death.

8. What actually causes an earthquake?

9. An earthquake is caused by the movement of tectonic plates
An earthquake is caused by the movement of tectonic plates. When these plates move it causes stress to the earth’s crust. This stress causes the crust to either shake or crack.

10. Tectonic plates of the world

11. Layers of the Earth

12. Examples of cracks caused by stress

13. The End of
Earthquake
Lesson 1