EARTHQUAKE (Types of Seismic Waves, Earthquake Terminologies, and 4 Basic Types of Fault)

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Across
  1. 2. faults are inclined fractures where the blocks have mostly shifted vertically. If the rock mass above an inclined fault moves down, the fault is termed normal, whereas if the rock above the fault moves up, the fault is termed reverse.
  2. 6. fault A reverse fault is the opposite of a normal fault—the hanging wall moves up relative to the footwall.
  3. 10. is a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
  4. 11. waves Rayleigh waves are a type of surface acoustic wave that travels along the surface of solids.
  5. 12. fault
  6. 14. wall when rocks slip past each other in faulting, the upper or overlying block along the fault plane is called the hanging wall, or headwall; the block below is called the footwall.
  7. 15. plane In the field of geology, a fault is a generally flat fracture in the ground along which the two blocks have slid relative to each other.
  8. 16. Waves A body wave is a seismic wave that moves through the interior of the earth, as opposed to surface waves that travel near the earth's surface.
Down
  1. 1. fault In geology, an oblique-slip fault is a fault that moves parallel
  2. 3. The energy measured in a seismogram results from natural sources such as earthquakes, or artificial sources such as explosives.
  3. 4. waves In elastodynamics, Love waves, named after Augustus Edward Hough Love, are a type of horizontally polarized surface wave.
  4. 5. waves In physics, a surface wave is a mechanical wave that propagates along with the interface between different media.
  5. 7. waves An S wave, or shear wave, is a seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving.
  6. 8. fault Strike-slide tectonics deals with the structures formed by, and the tectonic processes associated with, zones of lateral displacement within the Earth's crust or lithosphere.
  7. 9. waves an elastic wave in the earth produced by an earthquake or other means.
  8. 13. waves A P wave, or compressional wave is a seismic body wave that shakes the ground back and forth in the same direction and the opposite direction as the direction the wave is moving.