Ch. 6 Earth Science

Which of the following rules should be followed before and after an earthquake?

Why do earthquakes usually occur at plate boundaries?

Move the fastest and can travel through solids, liquids, and gases.

A series of smaller tremors.

An aftershock is

Through which type(s) of material(s) do P waves travel fastest?

When a fault springs back to its original shape and position.

Energy released in the form of vibrations.

A place where the fault is locked an unable to move.

Which of the following is NOT a cause of tsunamis?

The difference between the arrival time of the primary and secondary waves.

A group of interconnected faults.

A major earthquake with an epicenter on the ocean floor that causes a giant ocean wave.

The elastic rebound theory states that as a rock becomes stressed, it first…

What is the epicenter of an earthquake?

The difference in time between the primary and secondary waves.

A scale that expresses the magnitude of an earthquake.

During an earthquake, a building

At what location does the first motion of an earthquake occur?

Vibrations of the earth’s crust.

Fault zones form at plate boundaries because

The amount of damage caused by an earthquake.

Which of the following is most likely to affect how a building responds to seismic waves?

The comparison of arrival times of P waves and S waves at several seismograph stations

If you are indoors during an earthquake, you should

Vibrations in the earth caused by the sudden movement of rock are called?

What causes tsunamis?

Where does the first motion of an earthquake occur?

How do scientists find the epicenter of an earthquake?

Earthquakes with magnitudes less than 2.5.

The slowest-moving waves and are destructive when traveling through loose earth.

What is elastic rebound?

The point on the earth’s surface directly above the focus.

A scale that express the intensity of an earthquake by Roman numerals.

The second waves to be recorded and can travel only through solids.

A scale that compare the energy released by different earthquakes.

A device that detects and records seismic waves.

The area along a fault where slippage first occurs.

How does the structure of Earth’s interior affect seismic waves?

What should you do if you are indoors during an earthquake?