5.2 science earthquake measurements Flashcards

1
Q

instruments located or near the surface of the earth that record seismic wave

A

seismograph

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2
Q

a tracing of earthquake motion and is created by a seismograph

A

seismogram

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3
Q

the point on earths surface directly above an earthquakes starting point, or focus

A

epicenter

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4
Q

the point along a fault at which the first motion of an earthquake occurs

A

focus

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5
Q

perhaps the simplest method by which seismologists find an earthquake’s epicenter is the S-P time method

A

time method

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6
Q

throughout much of the 20th century, seismologists used the Richter magnitude scale, to measure the strength of earthquakes

A

richter magnitude scale

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7
Q

a measure of the degree to which an earthquake is felt by people and the amount of damage caused by the earthquake, if any, is called intensity.

A

intensty

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