Earthquake Crossword

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Across
  1. 7. /the asthenosphere is the ductile part of the Earth just below the lithosphere.
  2. 8. /the point on the Earth's surface vertically above the focus of an earthquake.
  3. 9. /shaking or slipping movement of the earth's crust, followed by seismic waves and vibrations.
  4. 10. /the point inside the Earth where the rock breaks off and pressure is released.
Down
  1. 1. Scale /the magnitude of seismic energy released during an earthquake is measured by the Richter scale.
  2. 2. /the largest, main earthquake.
  3. 3. /a crack in the Earth´s crust along which the rocks slide.
  4. 4. /smaller earthquakes that occur after the main earthquake in the same place as the mainshock. Aftershocks are linked to the size of the mainshock and if this is large can continue for many weeks, months or years.
  5. 5. tectonics /plate tectonics is the science of the process where rigid plates move across hot molten material.
  6. 6. /as fluid is warmed it expands and rises as the density decreases.
  7. 7. fault /an active fault is one that has moved once or more times.