There is a pen hanging from a metal thing and a piece of paper rolled up into something like a tape. The tape-like thingie (called a rolling drum) spins around. When an earthquake happens the pen moves and it shows on the paper.
to detect earthquakes
A seismograph is used to detect earthquakes.
records the derection and force of an earthquake done by: tavina harper
seismograph seismograph seismograph seismograph
Here are some sentences.Scientists use a seismograph to measure movement in the earth.The seismograph showed that an earthquake had occurred.
First
what is the market value for seismograph
earthquakes are measured by seismic waves so scientists use a seismograph. there are a bunch of seismographs at a station and each one records the same stuff according to the p, s, and surface waves.
the purpose of the seismograph is that it tells you when a earthquake is coming. :)
A seismograph was created to measure out the magnitude of earthquakes.
Humorous answer: A seismograph never answers; it just waves.
The Hindi translation of seismograph is भूकंप रेखाचित्रक (Bhukamp Rekhaachitrak).