Earthquakes

Front

Most earthquakes happen along the _________________.

Back

faults

Front

The Richter scale measures:

Back

the strength of an earthquake.

Front

The boundary between the Earth's crust and asthenosphere:

Back

Moho

Front

What scale determines the amount of damage an earthquake causes?

Back

Mercalli scale

Front

What causes the buildup of energy that is released at a later time when an earthquake occurs?

Back

According to the elastic rebound theory, rocks bend until their strength is exceeded.

Front

What is an earthquake?

Back

A sudden shaking of the ground caused by the movement of tectonic plates.

Front

What are tectonic plates?

Back

Large sections of the Earth's crust that move and interact with each other.

Front

What is the focus of an earthquake?

Back

The point within the Earth where an earthquake originates.

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above the focus.

Front

What is the difference between the Richter scale and the Moment Magnitude scale?

Back

The Richter scale measures the amplitude of seismic waves, while the Moment Magnitude scale measures the total energy released.