Seismometer

Seismometer (in Greek seismos = earthquake and metero = measure) are used by seismologists to measure and record seismic waves. By studying seismic waves, geologists can map the interior of the Earth, and measure and locate earthquakes and other ground motions. The term seismograph is usually interchangeable, but seismometer seems to be a more common useage.

Related Topics:
Greek - Seismologist - Seismic wave - Geologist - Earthquakes

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The seismometer was first invented by Zhang Heng in China 132.

Related Topics:
Zhang Heng - China - 132

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Later John Milne invented the horizontal pendulum seismograph at the Imperial College of Engineering in Japan in 1880.

Related Topics:
John Milne - Imperial College of Engineering - 1880

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This marked the beginning of modern seismology.

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