Final Review: Earthquakes & Tsunamis

Front

What type of seismic waves cause the most damage?

Back

Surface waves cause the most damage during an earthquake.

Front

What is the location with the largest concentration of volcanoes in the world called?

Back

The Ring of Fire is the location with the largest concentration of volcanoes.

Front

What is the measure of the amount of energy released in an earthquake?

Back

Magnitude is the measure of the energy released in an earthquake.

Front

What instrument detects and measures earthquakes?

Back

A seismograph is the instrument that detects and measures earthquakes.

Front

What happens to the time between P and S waves as the distance from an earthquake increases?

Back

The time between P and S waves increases as the distance from the earthquake increases.

Front

What are P waves?

Back

P waves, or primary waves, are the fastest seismic waves and can travel through solids and liquids.

Front

What are S waves?

Back

S waves, or secondary waves, are slower than P waves and can only travel through solids.

Front

What is a tsunami?

Back

A tsunami is a series of ocean waves caused by large disturbances, such as earthquakes or volcanic eruptions.

Front

What is the focus of an earthquake?

Back

The focus is the point within the Earth where an earthquake originates.

Front

What is the epicenter of an earthquake?

Back

The epicenter is the point on the Earth's surface directly above the focus of an earthquake.