
Although seismic waves have been studied for many years, their soliton nature has only recently come to wide notice. Deformation solitons propagate along earthquake faults and induce earthquakes. Rotation solitons are generated in earthquake sources and propagate throughout the Earth. The conclusion to be reached from our example is that the research on seismic solitons is essential for investigating the propagation of seismic waves and helps understand mechanisms triggering earthquakes. This paper discusses the development of elastodynamics equations similar to Maxwell's equations in a chiral single-mode which is applied to a seismic channel, which is dispersive and nonlinear. The chirality is described in terms of the formalism proposed by Born-Fedorov. The nonlinearity is Kerr-type, and dispersion of the medium is taken into account explicitly through the Taylor series expansion. Through numerical calculations these theoretical results would allow analyze the effects of chirality on the soliton equation for propagation of S-seismic pulses of strong earthquakes as happened recently in Japan Chili and Nepal.