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The Complex Faulting Process of Earthquakes (Hardcover, 1997 ed.)
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The Complex Faulting Process of Earthquakes (Hardcover, 1997 ed.)
Series: Modern Approaches in Geophysics, 16
Expected to ship within 10 - 15 working days
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In seismology an earthquake source is described in terms of a fault
with a particular rupture size. The faulting process of large
earthquakes has been investigated in the last two decades through
analyses of long-period seismo grams produced by advanced digital
seismometry. By long-period far-field approximation, the earthquake
source has been represented by physical parameters such as s ismic
moment, fault dimension and earthquake mag nitude. Meanwhile,
destruction often results from strong ground motion due to large
earthquakes at short distances. Since periods of strong ground
motion are far shorter than those of seismic waves at teleseismic
distances, the theory of long-period source process of earthquakes
cannot be applied directly to strong ground motion at short
distances. The excitation and propagation of high-frequency seismic
waves are of special interest in recent earthquake seismology. In
particular, the descrip tion and simulation of strong ground motion
are very important not only for problems directly relevant to
earthquake engineering, but also to the frac ture mechanics of
earthquake faulting. Understanding of earthquake sources has been
developed by investigating the complexity of faulting processes for
the case of large earthquakes. Laboratory results on rock failures
have also advanced the understanding of faulting mechanisms.
Various attempts have been made to simulate, theoretically and
empirically, the propagation of short-period seismic waves in the
heterogeneous real earth."
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