Seismograph, instrument that makes a record of seismic waves caused by earthquakes and other Earth-shaking phenomena.

Seismograph is another Greek term from seismós and γράφω, gráphō, to draw. It is often used to mean seismometer, though it is more applicable to the older instruments in which the …

Seismographs are instruments used to record the motion of the ground during an earthquake. They are installed in the ground throughout the world and operated as part of a seismographic …

A seismograph is a device for measuring the movement of the earth, and consists of a ground-motion detection sensor, called a seismometer, coupled with a recording system.

What is a seismograph and how does it work? A seismograph is an instrument which uses a seismometer to detect, measure and record ground movements caused by seismic …

During an earthquake, vibrations caused by the breakage of rock along a fault zone radiate outward from the point of rupture. The instrument used to record and measure these vibrations …

The meaning of SEISMOGRAPH is an apparatus to measure and record vibrations within the earth and of the ground.