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Detecting Earthquakes

Detecting earthquakes

  • Exhibition Text

    • Geologists peer into the Earth using a seismometer, an instrument that senses ground movements from earthquakes. A weight is attached to a pendulum or stiff spring, and when the seismic waves cause ground motion, the weight remains stationary while the rest of the instrument moves with the ground. A rotating drum, or seismograph, graphically records the movement over time.

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  • For Educators

    • Topic: Earth Science

      Subtopic: Earthquakes

      Keywords: Earthquake magnitude, Earthquakes, Seismometers, Scientific apparatus and instruments

      Audience: General

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