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Cyber TEAM Academy 2008 Earth Science Dr. Debi Kilb Scripps Institution of Oceanography. What’s the difference between a “Seismograph” and a “Seismogram”?. Seismograph: The instrument (Apparatus to measure and record vibrations) Seismogram: The actual wiggle

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Cyber TEAM Academy 2008 Earth Science Dr. Debi Kilb Scripps Institution of Oceanography

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Cyber TEAM Academy 2008

Earth Science

Dr. Debi Kilb

Scripps Institution of Oceanography


What’s the difference between

a “Seismograph” and a “Seismogram”?

Seismograph: The instrument

(Apparatus to measure and record vibrations)

Seismogram: The actual wiggle

(Record of an Earth tremor recorded by a seismograph)


Earthquake Magnitude


Earthquake Fault Rupture Area

Magnitude -2

Magnitude 2

Magnitude ~8

(~300 miles)


Maximum Amplitude of Ground Shaking Determines Richter Magnitude


http://siovizcenter.ucsd.edu/library/TLTC/TLTCmag.htm


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