HMH- Between the Glacier and the Sea: The Alaska Earthquake

Front

What does 'prior' mean?

Back

Before

Front

What is the term for the strength of an earthquake?

Back

Magnitude

Front

How long can an earthquake last?

Back

It can last for several minutes, typically around 1 to 5 minutes.

Front

Where did the earthquake in the video take place?

Back

Alaska

Front

What is the purpose of narration in an earthquake video?

Back

To describe the images and explain the science behind earthquakes.

Front

What is an earthquake?

Back

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

Front

What is the scale used to measure earthquakes?

Back

The Richter scale.

Front

What happens during an earthquake?

Back

The ground shakes, and buildings may collapse.

Front

What is a seismic wave?

Back

A wave of energy that travels through the Earth, often caused by an earthquake.

Front

What is aftershock?

Back

A smaller earthquake that follows the main shock of a larger earthquake.