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Fault Vocab

TermDefinition
plateau large level of flat land elevated high above sea level
compression squeezes rock until it folds or breaks
hanging wall block of rock that forms the upper half of a fault
normal fault hanging wall slides downward caused by tension in the crust
shearing stress that pushes rock in 2 opposite directions
tension pulls on crust stretching on it so it’s thinner in the middle
strike-slip fault rocks on either side move past each other sideways
stress force that acts on a rock to change its shape or volume
anticline upper fold in rock caused by compression in crust
syncline downward fold in rock caused by compression in crust
footwall block of rock that forms lower half of fault
reverse fault hanging wall slides upward caused by compression in crust
rift valley a deep valley that forms where two plates move apart
seismologists people who study the vibrations that travel through Earth carrying the energy released during an earthquake
frequency measures the rate or speed of a sound wave vibration
wavelength the distance between the crest of one wave and the crest of the next wave
amplitude measures the intensity of a sound wave
P wave a type of seismic wave that compresses and expands the ground
S wave a type of seismic wave that moves the ground up and down or side to side
surface wave a type of seismic wave that forms when P waves and S waves reach Earth's surface
Created by: ahlittle
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