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 at which the first movement occurs during an earthquake?

• Epicenter

• Focus

• Fault

• Plate

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

Which body waves cause particles of rock material to move at right angles to the direction in which the waves are traveling?

• Body Waves

• P Waves

• S Waves

• Surface Waves

P Waves can move through which of the following?

• Gas

• Liquid

• Solid

• Solid liquid only.

Which scale measures the intensity of the ground movement?

• Mercalli Scale

• Richter Scale

• Seismogram Scale

• Bernoulli Scale

What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?

• Aftershock

• Liquefaction

• Seismic Gap

• Tsunami

The outside layer of the earth is called ______________________.

• core
• crust
• mantle
• outer core