Earthquakes and Volcanoes

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Across
  1. 7. The second fastest type of seismic wave.
  2. 8. Waves of energy that travel through the Earth.
  3. 10. Fragments of rock that are created by explosive volcanic eruptions.
  4. 12. An instrument located at or near the surface of the Earth that records seismic waves.
  5. 13. A break in the Earth’s crust along which blocks of the crust slide relative to one another due to tectonic forces.
Down
  1. 1. The fastest type of seismic wave.
  2. 2. The point on the Earth’s surface directly above an earthquake’s starting point.
  3. 3. A funnel-shaped pit around the central vent of a volcano.
  4. 4. A mountain that forms when molten rock, called magma, is forced to the Earth’s surface.
  5. 5. A place on Earth’s surface that is directly above a column of rising magma called a mantle plume.
  6. 6. The study of earthquakes.
  7. 9. A circular depression that forms when a magma chamber empties and causes the ground above to sink.
  8. 11. A tracing of earthquake motion created by a seismograph.
  9. 13. The point inside the Earth where an earthquake begins.
  10. 14. Magma that flows onto the Earth’s surface.