Quizlet EC test by Tim

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  1. aftershock: shaking of the crust after the original earthquake
  2. cinder-cone volcano: a type of volcano made mostly of cinders and other rock particles that have been blown into the air
  3. composite volcano: Also called a Strato volcano.
  4. continental movement: idea that all continents were together but broke apart by moving plates
  5. crater: cup-like hollow that forms at the top of the volcano around the vent
  6. crust: the inner layer of the Earth above the mantle
  7. earthquake: calm or violent shaking of the earth
  8. epicenter: point on earths surface directly above the focus/hypocenter
  9. fault: a huge crack in the rust at/below the surface
  10. geothermal: of or relating to the heat in the interior of the earth
  11. hot spot: very hot part of the mantle
  12. hypocenter: it is also known as focus. It is the actual location or starting point of an earthquake underground.
  13. mantle: area in the earth below the crust
  14. P wave: first but weaker wave that comes first in a earthquake
  15. plate tectonics: the study of large scale movement and deformation of the earth's outer layers in terms of rigid plates over a partly molten layer of the upper mantle
  16. Richter Scale: a logarithmic scale of 1 to 10 used to express the energy released by an earthquake
  17. S wave: second but stronger wave that comes after the P wave
  18. seismograph: a measuring instrument for detecting and measuring the intensity and direction and duration of movements of the ground (as an earthquake)
  19. shield volcano: A low, flat, gently sloping volcano built from many flows of fluid, low-viscosity basaltic lava
  20. The Ring of Fire: a band of volcanoes circling the edges of the Pacific Ocean
  21. tsunami: extremely large wave/waves that often happen after a large earthquake
  22. vent: opening in a volcanic area were magma may escape