what is Seismography ?
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The scientific measuring and recording of the shock and vibrations of earthquakes is known as seismography. A seismometer is an instrument that responds to ground motions, such as caused by earthquakes, volcanic eruptions, and explosions. Seismometers are usually combined with a timing device and a recording device to form a seismograph.[1] The output of such a device—formerly recorded on paper (see picture) or film, now recorded and processed digitally—is a seismogram. Such data is used to locate and characterize earthquakes, and to study the Earth's internal structure.
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The scientific measuring and recording of the shock and vibrations of earthquakes.
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