You could make a very simple seismograph by hanging a large weight from a rope over a table. Traditionally, the suspended mass was a pendulum, but most modern seismometers work electromagnetically. A seismograph is a device for measuring the movement of the earth, and consists of a ground-motion detection sensor, called a seismometer… In the example on the left, a rotating drum records a red line on a sheet of paper. A large permanent magnet is used for the mass and the outside case contains numerous coils of fine wire. Seismic records can be used to determine the location of the epicentre of the earthquake. A seismometer works by sticking a long pipe into the ground. A seismometer is the modern instrument used to measure seismic waves. Generally, it consists of a mass attached to a fixed base. A seismometer is an instrument that responds to ground motions, such as caused by earthquakes, volcanic eruptions, and explosions. This is a simple seismogragh. How do they work? Therefore, most seismographs involve a large mass of some sort. Wiki User March 23, 2011 3:44AM. How does a seismometer work? Seismographs are instruments used to record the motion of the ground during an earthquake. Mechanical versions work by way of a large mass, freely suspended. Modern seismographs use electronics to increase the sensitivity of the instrument and to allow the transmission of the readings to remote locations so that the seismologist does not need to go to each one to find out what has happened where. Seismometers A seismometer records the vibrations from earthquakes. How Does a Seismometer Work? The output of such a device—formerly recorded on paper (see picture) or film, now recorded and processed digitally—is a seismogram. During an earthquake, the … If the earth moves (in this case from left to right) the whole machine will vibrate too.. In the example on … The more violent the quake the grater the amplitude of the wiggle. By signing up, you'll get thousands of step-by-step solutions to your homework questions. The pipe has motion detectors attached to it, so when there is an earthquake its severity is decided based on how much the pipe moves. During an earthquake, the seismometer remains still while the case around it moves with the ground shaking. However, the large mass tends to stay still, so the drum shakes beneath the pen, recording a squiggle! A seismograph, or seismometer, is an instrument used to detect and record earthquakes. A seismogram is a print out of the seismic data recorded by the seismometer. Records of seismic waves called seismograms allow to map the interior of the Earth, and locate and … A seismometer is the internal part of the seismograph , which may be a pendulum or a mass mounted on a spring; however, it is often used synonymously with "seismograph". Seismometers are usually combined with a timing device and a recording device to form a seismograph. Answer. Seismometer or seismograph is an instrument that measures motions of the ground, including those generated by earthquakes, nuclear explosions, and other sources. A seismometer records the vibrations from earthquakes. Mechanical versions work by way of a large mass, freely suspended. Answer to: How does a seismometer work?

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