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Earthquake Image Glossary


 


Glossary of earthquake terms

 

plot of 440 adn 880 Hertz

Hertz
Hertz (Hz) is a unit of measurement named in honor of Heinrich Hertz, the German physicist who in 1887 first produced electromagnetic waves. Expresses the frequency in cycles per second; 1 Hz = 1 cycle of rise and fall of a wave per second .

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Last modification: Tuesday, 02-Jul-2002 12:49
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