A seismograph is an instrument used for recording the intensity and duration of an earthquake/tremor.
This device is not only used for earthquakes but also for other seismic events. For example monitoring the vibrations produced during construction work and during blasting in the mining and quarrying industries.
The seismograph was invented by John Milne who was an English seismologist and geologist.
Seismometers. For information on how seismometers are used, please see the related question.
seismic waves
because the seismograph is a machine or Thing that can feel and sometimes see and earthquake while humans cant because we dont have super hearing lik a seismograph does.
Seismic waves are measured by seismographs, geophones, hydrophones and accelerometers.
A seismometer (replacing the outdated term seismograph), but other instruments may also respond to an earthquake. The simplest example of a seismograph is a pendulum.
Perhaps the earliest seismograph was invented in China A.D. 136 by a m an named Choko.
the seismograph was invented in Chicago, 1800.
england
John Milne invented the seismograph in 1880
It was invented in china in ancient tokyo by your mother
The first seismograph was invented by Zhang Heng in 132. The modern seismograph was invented by John Milne, Thomas Gray, and James Alfred Ewing in 1880.
John Miline invented the first modern seismograph in 1880
1898
china
John
Invented the seismograph
Invented the seismograph