Between the Glacier and the Sea: The Alaska Earthquake

Front

What was the magnitude of the 1964 Alaska earthquake?

Back

9.2, the largest ever recorded in North American history.

Front

What does 'prior' mean?

Back

Before.

Front

What caused the 1964 Alaska earthquake?

Back

Subducting plates under Alaska released pressure.

Front

Why are firsthand accounts important in understanding events like the Alaska earthquake?

Back

They help viewers best understand what happened during the event.

Front

How do images and narration work together in explaining earthquakes?

Back

The images help viewers see and hear what happens during an earthquake, while the narration describes some of 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 are tectonic plates?

Back

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

Front

What is a tsunami?

Back

A large ocean wave caused by underwater earthquakes or volcanic eruptions.

Front

What is the significance of the 1964 Alaska earthquake?

Back

It was the most powerful earthquake recorded in North America, leading to significant geological and social impacts.

Front

What is subduction?

Back

The process where one tectonic plate moves under another and sinks into the mantle.