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Tomography, Seismic

  • Reference work entry
Encyclopedia of Complexity and Systems Science

Definition of the Subject

Seismic tomography refers to a number of techniques designed to investigate the interior of the earth using arrival times and/or waveforms from natural and artificial sources. The most common product of a tomographic study is a velocity model, although other parameters, such as attenuation, are also studied. The importance of seismic tomography stems from two facts. One, it generally has higher resolution than that provided by other geophysical methods. Two, it provides information that (a) can help solve fundamental problems concerning the internal structure of the earth at a global scale, and (b) has been used in tectonic and seismic hazards studies at a local scale. Seismic tomography has also been applied to data collected in boreholes, but because of the high expenses associated with drilling, borehole tomography is relatively little used.

Introduction

In the most general terms, seismic tomography problems are inverse problems, and before...

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Authors and Affiliations

  1. Dept. of Earth Sciences, The University of Memphis, Memphis, USA

    Jose Pujol

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  1. Jose Pujol
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  1. RAMTECH LIMITED, 122 Escalle Lane, Larkspur, CA, 94939, USA

    Robert A. Meyers Ph. D. (Editor-in-Chief) (Editor-in-Chief)

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Pujol, J. (2009). Tomography, Seismic. In: Meyers, R. (eds) Encyclopedia of Complexity and Systems Science. Springer, New York, NY. https://doi.org/10.1007/978-0-387-30440-3_553

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