ᴡʜᴀᴛ ɪꜱ ꜱᴇꜱᴍᴏɢʀᴀᴘʜ??
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An instrument that measures and keeps record of earthquakes
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A seismometer is the internal part of the seismograph, which may be a pendulum or a mass mounted on a spring; however, it is often used synonymously with "seismograph". Seismographs are instruments used to record the motion of the ground during an earthquake.
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