Earthquakes

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Across
  1. 3. Large fractures in Earth’s crust and mantle where movement has occurred
  2. 6. A seismic wave that travels across the surface of the Earth
  3. 8. When the fault suddenly slips to produce the earthquake
  4. 10. Instrument for measuring and recording the vibrations of earthquakes
  5. 11. The vibration of Earth produced by the rapid release of energy
  6. 13. The point within Earth where the earthquake starts
Down
  1. 1. When sediments that are mixed with ground water turn to a liquid similar to quicksand.
  2. 2. Earthquake wave that travels through the interior of the earth and is usually the first wave to be recorded
  3. 4. The movements that follow a major earthquake often produce smaller earthquakes
  4. 5. The location on the Earth’s surface directly above the focus
  5. 7. Unusually large sea wave produced by a seaquake or undersea volcanic eruption
  6. 9. Earthquake wave that travels through the interior of the earth and is usually the second wave to reach a seismograph
  7. 12. Small quakes, often come before a major earthquake