Earthquakes

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Across
  1. 1. Squeezes rocks together causing folds or fractures
  2. 5. waves of energy that travel through the Earth P and S waves
  3. 6. a device that measures the strength of an earthquake
  4. 8. A scientist who studies earthquakes
  5. 9. A process used to determine the epicenter
  6. 10. Measure of the energy released during an earthquake
  7. 11. the line recorded on paper by a seismograph, representing ground motion
  8. 14. directly above the focus on earths surface
  9. 15. Fastest seismic waves that travel through liquids and solids
Down
  1. 2. The shaking that results from the movement of rock beneath Earth's surface
  2. 3. are parallel but moving in opposite directions
  3. 4. Slower waves that travel through only solid layers
  4. 7. origin of an earthquake
  5. 12. A scale that rates an earthquake's magnitude based on the size of its seismic waves
  6. 13. Rocks that pull apart from one another