Scientific Crossword.

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Across
  1. 3. What the Richter magnitude scale is commonly called.
  2. 5. A tracing of earthquake motion that is created by a seismograph.
  3. 7. A measure of a strength of an earthquake.
  4. 10. The sudden return of an elastically deformed rock to its undeformed shape.
  5. 11. A theory that is based on the idea that a major earthquake is more likely to happen along the part of an active fault where no earthquakes have occurred for a certain time period.
  6. 13. The coast of the U.S. has a very high earthquake hazard level.
  7. 14. The study of earthquakes.
Down
  1. 1. A measurement of how likely an area is to have damaging earthquakes in the future.
  2. 2. An instrument that records vibrations in the ground and determines the location and strength of an earthquake.
  3. 4. An area along a fault where relatively few earthquakes have occurred recently but where strong earthquakes have occurred in the past.
  4. 6. A measure of the degree to which an earthquake is felt by people and the amount of damage caused by an earthquake.
  5. 8. A wave of energy that travels through the Earth, away from an earthquake in all directions.
  6. 9. The part on Earths surface directly above an Earthquakes focus.
  7. 12. The point along a fault at which the first motion of an earthquake occurs.