Earthquakes Questions and Answers

Question or Hint Answer or Word
  1. Point in the earth where an earthquake rupture begins. Hypocenter
  2. An elastic wave generated by an impulse such as an earthquake or explosion. Seismic Wave
  3. Large, thin, relatively rigid plates that move relative to one another on the outer surface of the earth. Tectonic Plates
  4. Innermost part of the earth. Core
  5. Fault that is likely to have another earthquake in the future. Active Fault
  6. A number that characterizes the relative size of an earthquake. Magnitude
  7. Outermost major layer of the earth. Crust
  8. The zone of earthquakes surrounding the Pacific Ocean. Ring of Fire
  9. A term used to describe a a sudden slip on a fault. Earthquake
  10. Mathematical device used to compare the size of earthquakes. Richter Scale
  11. An instrument to record and detect earthquakes. Seismograph
  12. Number of times something happens in a certain period of time like the ground shaking up and down. Frequency
  13. Follows the largest shock of an earthquake sequence. Aftershock
  14. Point in the crust where a seismic rupture begins. Epicenter
  15. An instrument that records the acceleration of the ground during an earthquake. Accelerograph
  16. A fracture along which the blocks of crust on wither side have moved relative to one another. Fault
  17. Sea wave of local or distant origin that results from large scale seafloor displacements associated with large earthquakes. Tsunami
  18. Rock-deforming processes and resulting structures that occur over large sections of the lithosphere. Tectonic
  19. A record written by a seismograph in response to ground motions such as explosion or earthquake. Seismograph
  20. How fast a point on the ground is shaking as a result of an earthquake. Velocity

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