How Does Seismic Testing Work?

Answer

Seismic testing works by using a survey that's conducted by with a seismic wave on the surface of the ground along a prearranged line. The seismic wave travels into the earth, and is reflected by subsurface formations, and returns to the surface where it is noted by receivers called geophones. The seismic waves are created either by small explosive charges set off in shallow holes or by large vehicles. A geophysicist can map subsurface creations and anomalies and forecast where oil or gas is after studying the time it takes for the seismic waves to reflect off of subsurface.
Q&A Related to "How Does Seismic Testing Work?"
Seismic testing is being performed all over the country and to access these locations large equipment must be transported across highways and backroads. The equipment required to
http://www.ehow.com/info_8464611_dangers-onshore-s...
I used to do this Earthquake monitoring seismometers are usually a permanent installation, but in cases where major construction is going on using heavy equipment, blasting, pile
http://uk.answers.yahoo.com/question/index?qid=200...
these explosions are way too small to make a difference. and the N.K. bomb was a very small bomb, just 500 tons when large bombs are measured in hundreds of kilotons or even megatons
http://answers.yahoo.com/question/index?qid=200610...
Seismic survey work is done by equipment attached to specially-designed ships. These ships, usually 60-90 metres long, contain fully-equipped geophysical laboratories, and have communications
http://www.bcseafoodalliance.com/Peterson_000.htm
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