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Appendix C: Seismology and Geotechnology
Pages 10-12

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From page 10...
... For example, in general, there are fewer strong-motion data available in the Soviet Union than in the United States. The characterization of earthquake sources in the Soviet Union is close to the eastern United States, where potential faults are not well identified and zonation methods require tectonic models, stress-state calculations, and various geophysical data.
From page 11...
... As was found both in the United States and the Soviet Union, wave velocity changes with stress field changes. The working group proposes to monitor the wave velocity variations in test sites in the United States and the Soviet Union in order to predice their effect on strong motions.
From page 12...
... . This proposal is an outcome of an extensive research program carried out in the Soviet Union on various aspects of nonlinearity in seismic wave generation and propagation.


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