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The total force acting on crustal rocks per unit of area.
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The deformation of materials in response to stress.
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Chap 19 vocab

QuestionAnswer
The total force acting on crustal rocks per unit of area. Stress
The deformation of materials in response to stress. Strain
Caused when a material is compressed, bent, or stretched. Elastic deformation
When stress builds up past a certain point, called the elastic limit. Plastic deformation
Any fracture or system of fracture along which Earth moves. Fault
The vibrations of the ground produced during an earthquake. Seismic wave
Squeeze and push rocks in the direction along which the waves are traveling. Primary Wave
Seismic wave that causes rock particles to move at right angles to the direction of the wave known. Secondary Wave
Point of the initial fault rupture where an earthquake originates that usually lies at least several kilometer beneath Earth's surface. Focus
Point on Earth's surface directly above the focus of an earthquake. Epicenter
Instrument used to measure horizontal or vertical motion during an earthquake. Seismometer
Record produced by a seismometer that can provide individual tracking of each type of seismic wave. Seismogram
Numerical rating system used to measure the amount of energy released during an earthquake. Richter scale
Measure of the energy released during an earthquake, which can be described using the Richter scale. Magnitude
The size of the seismic waves; an increase of 1 in the scale represents an increase in amplitude of a factor of 10. Amplitude
A rating scale that measures the energy released by an earthquake, taking into account the size of the fault rupture, the amount of movement along the fault, and the rock's stiffness. Moment magnitude scale
Rates the types of damage and other effects of an earthquake as notes by observers during and after its occurrence. Modified Mercalli scale
Seismic vibrations can cause the ground to behave like a liquid in a phenomenon. Soil liquesfaction
A large ocean wave generated by vertical motions of the seafloor during an earthquake. Tsunami
Are sections located along faults that are known to be active, but which have not experienced significant earthquakes for a long period of time. Seismic gap
Created by: jesse14
 

 



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