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Chap 19 vocab Test

Enter the letter for the matching Answer
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1.
Point of the initial fault rupture where an earthquake originates that usually lies at least several kilometer beneath Earth's surface.
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2.
Seismic vibrations can cause the ground to behave like a liquid in a phenomenon.
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3.
Record produced by a seismometer that can provide individual tracking of each type of seismic wave.
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4.
Seismic wave that causes rock particles to move at right angles to the direction of the wave known.
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5.
The vibrations of the ground produced during an earthquake.
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6.
Point on Earth's surface directly above the focus of an earthquake.
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7.
A large ocean wave generated by vertical motions of the seafloor during an earthquake.
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8.
Rates the types of damage and other effects of an earthquake as notes by observers during and after its occurrence.
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9.
Caused when a material is compressed, bent, or stretched.
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10.
When stress builds up past a certain point, called the elastic limit.
A.
Seismic wave
B.
Focus
C.
Tsunami
D.
Epicenter
E.
Modified Mercalli scale
F.
Plastic deformation
G.
Soil liquesfaction
H.
Seismogram
I.
Secondary Wave
J.
Elastic deformation
Type the Answer that corresponds to the displayed Question.
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11.
Numerical rating system used to measure the amount of energy released during an earthquake.
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12.
The size of the seismic waves; an increase of 1 in the scale represents an increase in amplitude of a factor of 10.
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13.
Are sections located along faults that are known to be active, but which have not experienced significant earthquakes for a long period of time.
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14.
The deformation of materials in response to stress.
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15.
Squeeze and push rocks in the direction along which the waves are traveling.
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16.
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.
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17.
Measure of the energy released during an earthquake, which can be described using the Richter scale.
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18.
Instrument used to measure horizontal or vertical motion during an earthquake.
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19.
Any fracture or system of fracture along which Earth moves.
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20.
The total force acting on crustal rocks per unit of area.

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Created by: jesse14