E1 Review Questions
  1. What is an earthquake?

    An earthquake is a vibration or shaking of the Earth's crust.
  2. Where are most earthquakes located?

    Most earthquakes are located on or near plate boundaries.
  3. What causes an earthquake?

    Friction between rocks can result in a great deal of stored energy as a result of stress buildup between the rocks. An earthquake is caused by the rapid release of this energy as the rock deforms and eventually breaks.
  4. Can earthquakes occur in areas outside of plate boundaries? Explain.

    Yes, earthquakes can occur outside of plate boundaries. They can occur anywhere there is a fault zone.
  5. How can volcanoes be responsible for earthquakes?

    The movement of molten material in a volcano can trigger earthquakes.