Chapter 18 Earthquakes

What is the shaking of the Earth’s crust caused by a release of energy?

• Earthquake

• Epicenter

• Fault

• Plate

Which of the following is NOT a cause of an earthquake?

• Collapse of Cavern

• Eruption of Volcano

• Lightning Strikes

• Moving Tectonic Plates

Where is the point on the Earth’s surface directly above the focus of an earthquake?

• Epicenter

• Fault

• Hypocenter

• Tremor

Which type of wave is the first to arrive after an earthquake occurs?

• P Wave

• Rayleigh Wave

• S Wave

• Shear Wave

P Waves can move through which of the following?

• Gas

• Liquid

• Solid

• All of these

S Waves can move through which of the following?

• Gas

• Liquid

• Solid

• All of these

What is an instrument that detects and records waves produced by earthquakes? (This piece of equipment can measure the magnitude of an earthquake.)

• Epicenter

• Fault

• Seismogram

• Seismograph

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

• Earthquake

• Epicenter

• Magnitude

• Seismogram

The outside layer of the earth is called ______________________.

• core

• crust

• mantle

• outer core

This type of fault is....

• normal fault

• reverse fault

• strike-slip fault