Earthquake Characteristics Question Preview (ID: 47287)


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________are sudden ground movements caused by the release of energy by rocks
a) Earthquakes
b) Volcanoes
c) Seismic shifting
d) Geiger movement

Earthquakes are sudden ground movements caused by the release of energy by rocks. This energy is transmitted by _________.
a) seismic waves
b) radiation
c) conduction
d) transmission

The__________ describes how earthquakes are generated.  Stresses on both sides of a fault cause strain to build up in rocks, until they can no longer bend elastically.  Once the stress is too great, the rocks break, releasing the built
a) elastic rebound theory
b) earthquake theory
c) rubber band theory
d) plate tectonics

The initial point where the rocks rupture in the crust is called the _____.
a) Focus
b) epicenter
c) point
d) Bernoulli surface

The point on the land surface that is directly above the focus is called the ______.
a) epicenter
b) focus
c) Bernoulli surface
d) fulcrum

______ earthquakes can cause the most damage because the focus is nearer to the surface.
a) Shallow
b) Deep
c) oceanic
d) transcontinental

A Surface Wave is . . . .
a) a seismic wave that travels along the surface of a medium and that has a stronger effect near the surface of the medium than
b) the location within Earth along a fault at which the first motion of an earthquake occurs.
c) the point on the Earth's surface directly above an earthquake's starting point.
d) a seismic wave that travels through the body of a medium.

A measure of the strength of an earthquake is called the _____________.
a) magnitude
b) focus
c) epicenter
d) intensity

Undersea earthquakes can cause a sudden drop or rise in the ocean floor creating a __________________.
a) tsunami
b) S wave
c) P wave
d) hurricane

Always the first to arrive; seismic wave that causes particles of rock to move in back-and-forth direction
a) P-wave
b) S-wave
c) Surface wave
d) Bernoulli scale

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