Static displacement fields due to a seismic source in a nonhomogeneous (dimorphic) medium. Geophysical applications |
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| Authors: | Martine Amalvict Hilaire Legros |
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| Institution: | 1. Institut de Physique du Globe, 5, Rue René Descartes, 67084, Strasbourg Cedex, France
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| Abstract: | A new method for finding static displacement fields due to seismic sources (forces or dislocations) in a nonhomogeneous medium (called “dimorphic”) is presented. Previously known results can be easily calculated, as well as new results for sources located at the interface between two media with different elastic properties. The ratio of displacement magnitudes in homogeneous and dimorphic media, which can be as great as 15%, is calculated. Consequences for the seismic moment and some other geophysical applications are discussed. |
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