Earthquakes

Front

What is the measure of the amount of ground shaking during an earthquake?

Back

Magnitude

Front

How does triangulation help locate the epicenter of an earthquake?

Back

By calculating the difference between the P and S waves in arrival times and determining the distances from at least 3 seismic stations.

Front

What is a warning sign that a tsunami may be approaching?

Back

The water will move away from the shore unusually fast and strong into the ocean.

Front

What geological feature is created by all three types of plate boundaries?

Back

Earthquakes

Front

What does a seismograph measure?

Back

The amount of shaking of the crust.

Front

What are the three types of plate boundaries?

Back

Divergent, Convergent, and Transform boundaries.

Front

What is the difference between P waves and S waves?

Back

P waves are primary waves that travel faster and can move through solids and liquids, while S waves are secondary waves that travel slower and can only move through solids.

Front

What is the Richter scale used for?

Back

To measure the magnitude of an earthquake.

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.