Earthquakes and Seismic Waves
If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
1. _____________ The shaking and trembling that results from movement of rock
beneath Earth’s surface is called an earthquake.
2. _____________ Earthquakes are caused by the forces of mountain movement.
3. _____________ The epicenter of an earthquake is below the focus.
4. _____________ P waves can become surface waves when they reach Earth’s
5. _____________ The Modified Mercalli scale rates the amount of damage from
an earthquake.
6. _____________ To locate the epicenter of an earthquake, geologists need data
from two or more seismographs.
Fill in the blank to complete each statement.
7. Seismic waves are _____________ that are similar to sound waves.
8. The _____________ of an earthquake is the point where rock under stress
begins to break or move.
9. The seismic waves that move fastest are _____________.
10. Geologists use the moment magnitude scale to rate the total _____________
released by an earthquake.