Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2016, Vol. 13, No. 4, pp. 219-230
The relationships between the lineaments in satellite images and earthquake epicenters within the Baikal Rift Zone
B.S. Busygin
1 , S.L. Nikulin
1 1 National Mining University, Dniepro, Ukraine
Accepted: 27.08.2016
DOI: 10.21046/2070-7401-2016-13-15-219-230
The study results of spatial relationship between earthquakes epicenters and lineaments network in satellite images of the Baikal Rift Zone are presented. On the basis of a joint analysis of Google satellite imagery and RAS geophysical service server data on earthquakes occurred in 2007−2015, the authors reveal some facts confirming the existence of a variety of relationships between seismic activity and lineament network of the area, which opens up opportunities to apply lineament analysis techniques for earthquake study and forecast. A specific feature of the research is independent application of several essentially varying methodical approaches − multidimensional classification with samples, estimates of geological structure complexity measure and identification of areas with a geological structure, atypical for the studied territory in general. In particular, it is established that epicenters of earthquakes gravitate to areas which are characterized by a geological structure of the increased complexity with prevalence of lineament with bearing azimuths of 22.5±12.5º, 67.5±12.5º, 112.5±12.5º, 157.5±12.5º, which are atypical for the Earth's surface. The results obtained using different approaches have significant similarity, and at the same time are in good agree-ment with actual data, which indicates their reliability and objectivity.
Keywords: satellite images, earthquakes, rift zone, lineament network, lineament analysis, multidimensional classification
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