They are used to measure earthquakes and volcanic eruptions by recording seismic activity.
Here are some sentences.Scientists use a seismograph to measure movement in the earth.The seismograph showed that an earthquake had occurred.
what is the market value for seismograph
First
A seismograph was created to measure out the magnitude of earthquakes.
the purpose of the seismograph is that it tells you when a earthquake is coming. :)
Humorous answer: A seismograph never answers; it just waves.
seismograph is called 'bhukamplekhi' in hindi
how the seismograph change over time
A seismograph is the device that scientists use to measure earthquakes. The goal of a seismograph is to accurately record the motion of the ground during a quake
A seismograph is the device that scientists use to measure earthquakes. The goal of a seismograph is to accurately record the motion of the ground during a quake
Do you mean seismograph? A seismograph, originated by the Chinese,I think, detects earthquakes.
Seismometers. For information on how seismometers are used, please see the related question.