Created using the Crossword Maker on Down 1. The thick part of the earth's crust located under the ocean. Across 2. Science that studies Earth. 3. A break in a rock along which movement has occurred. 9. Instrument used to measure the earthquakes epicenter of three seismic station. 4. Theory of moving lithospheric plates. 5. Thinner and dense part of the earth's crust located under the ocean. 6. Rigid section of the lithosphere that moves as a unit. 7. A device used to record earthquake waves 8. The first seismic wave to be recorded in seismic station. 10. Vibration of due to rapid release of energy​