seismic velocity

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• seismic velocity — …   Useful english dictionary

• Seismic wave — Seismic waves are waves that travel through the Earth, most often as the result of a tectonic earthquake, sometimes from an explosion. Seismic waves are also continually excited by the pounding of ocean waves and the wind. Seismic waves are… …   Wikipedia

• Seismic microzonation — map of Greater Bangkok prepared based on predominant period of site obtained from microtremor observations [1] Main article: Earthquake engineering Seismic microzonation is defined as the process …   Wikipedia

• Seismic Unix — is an open source seismic utilities package supported by the Center for Wave Phenomena (CWP) at the Colorado School of Mines (CSM).Infobox Software name = Seismic Unix caption = Velocity Analysis with SU developer = [http://www.cwp.mines.edu/… …   Wikipedia

• Seismic tomography — is a methodology for estimating the earth s properties. In the seismology community, seismic tomography is just a part of seismic imaging, and usually has a more specific purpose to estimate properties such as propagating velocities of… …   Wikipedia

• Seismic hazard — refers to the study of expected earthquake ground motions at the earth s surface, and its likely effects on existing natural conditions and man made structures for public safety considerations; the results of such studies are published as seismic …   Wikipedia

• Seismic refraction — is a geophysical principle (see refraction) governed by Snell s Law. Used in the fields of engineering geology, geotechnical engineering and exploration geophysics, seismic refraction traverses (seismic lines) are performed using a seismograph(s) …   Wikipedia

• Seismic shadowing — is a global effect of an earthquake. The seismic waves generated by an earthquake pass through the body of the Earth, but between 104° and 140° from the focus of an earthquake, little or no seismic waves can be detected. This is because primary… …   Wikipedia

• seismic wave — Vibration generated by an earthquake, explosion, or similar phenomenon and propagated within the Earth or along its surface. Earthquakes generate two principal types of waves: body waves, which travel within the Earth, and surface waves, which… …   Universalium

• seismic survey —       method of investigating subterranean structure, particularly as related to exploration for petroleum, natural gas, and mineral deposits (mineral deposit). The technique is based on determinations of the time interval that elapses between… …   Universalium

• wave velocity — ▪ physics  distance traversed by a periodic, or cyclic, motion per unit time (in any direction). Wave velocity in common usage refers to speed, although, properly, velocity implies both speed and direction. The velocity of a wave is equal to the… …   Universalium