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Seismometers are instruments that measure motion of the ground, including those of seismic ... As the earth moves, the relative motion between the weight and the earth ... While not sensitive enough...

Seismographs - Keeping Track of Earthquakes


Apr 7, 2016 ... The horizontal seismograph shown here moves only in the horizontal plane. ... in seismology, clocks are always part of a seismograph system.

The part of a seismograph that does not move during an earthquake ...


pendulum or base ... The part of a seismograph that does not move during an earthquake is the? ... What happens in a seismograph when the earth moves?

How Seismographs Work - Live Science


Mar 11, 2010 ... What doesn't move, however, is a suspended mass inside the ... During an earthquake, the seismometer remains still while the case around it moves ... different speeds and through different parts of the Earth during a quake.

Seismograph & Seismometer - SMS Tsunami Warning


A seismograph, or seismometer, is an instrument used to detect and record seismic waves. ... During an earthquake, the base moves and the mass does not.

Earthquake! - Center for Science Education


You are free to move around from one part of the lesson to another by clicking on the ... you have probably lived through thousands of tiny earthquakes during your lifetime. ... Today geologists measure earthquake waves with a seismograph.

Earthquakes: Paper Flash Cards - Science


However, parts of the plate are still able to move independently (like the individual ... (body … or … surface) tend to cause the most damage during an earthquake? ... A2-6: Information gained from a seismograph: what kinds of waves occur, ...

Earthquakes & Earth's Interior - Tulane University


Sep 24, 2015 ... The seismometer must be able to move with the vibrations, yet part of it .... only occurs along the fault zone that moves during the earthquake.

How Do I Locate That Earthquake's Epicenter?


To figure out just where that earthquake happened, you need to look at your seismogram and you need to know what at least two other seismographs recorded ...

Chapter 5 - Earthquakes


Earthquakes occur when rocks break and move along a fault and vibrations are created. 4. The shaking, or vibrations, that people feel during an earthquake are ...

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The Science of Earthquakes


Apr 7, 2016 ... An earthquake is what happens when two blocks of the earth suddenly slip past one another. ... The seismic waves shake the earth as they move through it, and ... part of the seismograph and the motionless part is what is recorded. ... and this varies depending on where you are during the earthquake.

Seismographs - IRIS


drum move with the ground. Seismometers used in earthquake studies are designed to be highly sensitive to ground movements, so that movements as small as.

Waves, Seismometers, and Seismograms - Penn State Earthquake ...


If you've felt Earth shake during an earthquake or explosion then you've felt .... consist of two parts, a sensor of ground motion which we call a seismometer, and a ... When the ground vibrates the pen moves up or down creating th seismic ...