Earthquakes

The most destructive seismic waves are_________.

• Shear waves
• Surface waves
• Primary waves
• None of the above

_________ is another word for an earthquake's strength.

• Intensity
• Frequency
• Magnitude
• Pressure

What is the science in which earthquakes are studied?

• Seismogram
• Seismograph
• Earthquake Studies
• Seismology

Divergent motion is a type of plate motion.

• True
• False

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

• False
• True

What scale is used to measure the strength of an earthquakes?

• Modified Mercalli Intensity
• Gap hypothesis
• Seismicgraph
• Richter magitude

The instrument used to record earthquakes is a(n)________.

• Richter magnitude
• Modified Mercalli
• Seismograph
• Seismogram

The snapping back of deformed rock to its previous shape.

• elastic rebound
• plastic rebound
• rebound motion
• divergent boundary

Shear wave is a type of body wave.

• True
• False

The areas along a fault where relatively few earthquakes have occurred are called_______.

• reverse fault
• seismic gap
• tectonic plate
• intensity