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How we record earthquakes

earthquakescanada.nrcan.gc.ca · 586 words · saved by 1 readers

During an earthquake, vibrations caused by the breakage of rock along a fault zone radiate outward from the point of rupture. The instrument used to record and measure these vibrations is called a seismograph.

How we record earthquakes Skip to main content Skip to "About this site" How we record earthquakes Seismographs During an earthquake, vibrations caused by the breakage of rock along a fault zone radiate outward from the point of rupture. The instrument used to record and measure these vibrations is called a seismograph. Traditional seismographs consisted of a sensing element, called a seismometer, an amplifier, and a hardcopy display unit often using photographic or heat-sensitive paper. The visual record produced by a seismograph is called a seismogram. In modern seismographs, the display is

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