- Seismic vibrator
A seismic vibrator or vibroseis ["Vibroseis" was formerly a trademark of
Continental Oil Company —#0737865, September 18, 1962 and #0735470, July 31, 1962—but both trademarks have been cancelled.] is a truck-mounted device that is capable of injecting low-frequency vibrations into the earth. It is one of a number ofseismic source s used inreflection seismology . Seismic vibrators are used to perform about half of all seismic surveys on land. [cite web|url=http://www.amazon.com/Vibroseis-Source-Guido-Baeten/dp/0444888799|title=The Vibroseis Source, by Guido Baeten and A. Ziolkowski|accessdate=2008-07-08|publisher=Amazon|date=1990 quoted from Amazon's book description.]The plot of
Ken Follett 's 1998 thrillerThe Hammer of Eden turns on the use of a stolen seismic vibrator truck by ecoterrorists.External links
* [http://video.google.com/videoplay?docid=-749628618699365360 Vibrating the earth: Vibroseis] Video of a seismic vibrator in use
* [http://www.kgs.ku.edu/Publications/GeoRecord/2000/vol6.2/Page1.html Seismic Research at the KGS] , description of seismic vibrator and how the Kansas Geological Survey uses it
* [http://www.habitat.adfg.alaska.gov/vibroseis.php Alaska Department of Fish and Game] , image of a vibroseis in use
* [http://www.geosys.co.jp/GEO/IVI/ Geosys IVI] Pictures and descriptions of seismic vibrators manufactured by Geosys, Inc. of Japan
* [http://www.litho.ucalgary.ca/transect_info/snorcle/photos/nwt.html Vibrator truck] Images of a vibrator trucks used by the University of CalgaryNotes and references
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