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en.wikipedia.org/wiki/Seismometer

Seismometers are instruments that measure motion of the ground, including those of seismic ... In other systems the weight is allowed to move, and its motion produces a voltage in a coil attached to the mass and moving ... Originally, European seismographs were placed in a particular area after a destructive earthquake.

www.answers.com/Q/The_part_of_a_seismograph_that_does_not_move_during_an_earthquake_is_the

What is the part of the seismograph that moves during an earthquake? The part of the seismograph that moves during an earthquake is called the pen. Edit.

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

Mar 11, 2010 ... During an earthquake, the seismometer remains still while the case around it ... different speeds and through different parts of the Earth during a quake. ... measure movement in one direction, many seismograph stations have ...

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

The seismic waves shake the earth as they move through it, and when the ... The difference in position between the shaking part of the seismograph and the ...

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 ... Perhaps you remember being in an earthquake--the ground rumbles, hanging lamps ... Today geologists measure earthquake waves with a seismograph.

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

The horizontal seismograph shown here moves only in the horizontal plane. ... is an important element in seismology, clocks are always part of a seismograph ...

www.colorado.edu/physics/phys2900/homepages/Marianne.Hogan/graphs.html

Seismographs are the principal instruments of the researchers who study ... During an earthquake the mass remains still while the case around it moves with the ... which are currently under construction and will soon be part of Project IDA.

www.uwgb.edu/dutchs/Exams/202EXAMS/seismo.htm

Jan 3, 1997 ... If you are facing a right-lateral fault, during an earthquake ... of the fault moves to the right · the opposite side of the fault moves down ... It takes at least ___ seismographs at different locations to locate earthquakes accurately.

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

Seismographs, which generally consist of two parts, a sensor of ... devices but the basic idea behind measuring ground movement can ... "A body in motion tends to stay in motion unless acted upon by a ...