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Seismometer

en.wikipedia.org/wiki/Seismometer

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 provides a measure of the .......

How Seismographs Work - Live Science

www.livescience.com/6210-seismographs-work.html

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.

The Science of Earthquakes

earthquake.usgs.gov/learn/kids/eqscience.php

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 - Keeping Track of Earthquakes

earthquake.usgs.gov/learn/topics/seismology/keeping_track.php

Apr 7, 2016 ... Seismographs are designed so that slight earth vibrations move the ... element in seismology, clocks are always part of a seismograph system.

Earthquake! - Center for Science Education

cse.ssl.berkeley.edu/lessons/indiv/davis/inprogress/QuakesEng3.html

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.

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

eqseis.geosc.psu.edu/~cammon/HTML/Classes/IntroQuakes/Notes/seismometers.html

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 ...

Seismographs - IRIS

www.iris.edu/hq/files/programs/education_and_outreach/aotm/8/Seismograph_Background.pdf

seismometer is the ground-motion detector part of ... drum move with the ground. Seismometers used in earthquake studies are designed to be highly sensitive .... waves, Love and Rayleigh waves, are generated during an earthquakes.

Earthquakes & Earth's Interior - Tulane University

www.tulane.edu/~sanelson/eens1110/earthint.htm

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 seismograph is made - material, manufacture, used, parts ...

www.madehow.com/Volume-1/Seismograph.html

During the nineteenth century, the first seismometer was constructed; it used .... during an earthquake, the pendulum remains still while the recorder moves, thus  ...

Seismograph & Seismometer - SMS Tsunami Warning

www.sms-tsunami-warning.com/pages/seismograph

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.

More Info

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

www.answers.com

pendulum or base ... The part of a seismograph that does not move during an earthquake is the? The part of a seismograph that does not move during an ...

Earthquake Glossary - seismograph

earthquake.usgs.gov

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

Locating and measuring earthquakes - Putting Down Roots in ...

www.earthquakecountry.org

Each seismic station in the network measures the movement of the ground at that site. ... of the entire portion of the fault that moved can be calculated. These seismograms show how the ground moved at four seismic stations during an earthquake. ... Using recordings from seismographs, they measured how fast the ground ...