They are used to measure earthquakes and volcanic eruptions by recording seismic activity.
Seismograph showed 7.0 on the scale. It is an instruments for measuring earthquakes.
First
what is the market value for seismograph
seismograph is called 'bhukamplekhi' in hindi
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.
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.