Start up Activity

It is the vibration of Earth produced by the rapid release of energy within the lithosphere.

• Fault

• Tsunami

• Volcanic eruption

• Earthquake

Earthquakes are caused by slippage along a break in the lithosphere, called ______?

• Epicenter

• Hypocenter

• Fault

• Break

The energy released by an earthquake travels in all directions from the focus in the form of ____?

• P waves

• S waves

• Seismic waves

• Beach waves

What is the primary cause of a tsunami?

• Volcanic eruption

• Underwater earthquake

• High tide

• Strong winds

What is the point on the Earth's surface directly above the earthquake's starting point?

• Epicenter

• Hypocenter

• Fault line

• Seismic zone

It is an earthquake that occurs sometime soon after a major earthquake.

• Before shock

• Aftershock

• During

• None of the above

It is the device used to record the motion of the ground during an earthquake.

• Allograph

• Telegraph

• Seismograph

• Chronograph

What is the name for the scale used to measure the magnitude of an earthquake?

• Richter scale

• Mercalli scale

• Seismic scale

• Intensity scale