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A seismograph is an instrument used to measure movement of earthquake. It measures the seismic waves of that area.
The instrument that is used to measure the magnitude of an earthquake is a seismometer.
A seismograph is an instrument used to record vibrations in or on a planet.
the Richter scale is used to measure the power, strength of an earthquake
Seismometers. For information on how seismometers are used, please see the related question.
The instrument that is used to study cells is a microscope.
Seismagraph
A seismograph.
A Seismograph
Seismometer
seismogram
Richtor scales
I think it's a seismograph.
The Richter Scale is used to rate earthquakes.
telescopes
A seismometer, or seismograph. One of the two! :)
A seismograph is an instrument used to measure movement of earthquake. It measures the seismic waves of that area.