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Seismometer - Wikipedia

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 vert...

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

www.answers.com/Q/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 is the? The part of a ... What happens in a seismograph when the earth moves?

How Seismographs Work - Live Science

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

Mar 11, 2010 ... Ground view of collapsed building and burned area at Beach and ... move, however, is a suspended mass inside the seismograph, called the seismometer. During an earthquake, the seismometer remains still while the case ...

The Science of Earthquakes - USGS Earthquake Hazards Program

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

Apr 7, 2016 ... The seismic waves shake the earth as they move through it, and when the waves ... Earthquakes are recorded by instruments called seismographs. ... the shaking part of the seismograph and the motionless part is what is recorded. ... and this varies depending on where you are during the earthquake.

Earthquake Glossary - seismograph

earthquake.usgs.gov/learn/glossary/?term=seismograph

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

Seismographs - Keeping Track of Earthquakes

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

Seismographs are designed so that slight earth vibrations move the ... is an important element in seismology, clocks are always part of a seismograph system . .... measure the acceleration of the ground as it is shaking during an earthquake.

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.

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 digital seismogram is a record of the ground movement stored as an array of  ...

How Are Earthquakes Studied? - Michigan Technological University

www.geo.mtu.edu/UPSeis/studying.html

A seismograph is an instrument that records the shaking of the earth's surface ... The height to which the liquid was washed up the side of the vessel indicated ... When there is an earthquake, everything in the seismograph moves except the ...

How does a seismograph work? | Reference.com

www.reference.com/science/seismograph-work-784b52e4df4d477c

A seismograph has two basic parts; an outer case that moves with the undulations ... When the ground moves during an earthquake, the structure moves as well.