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Borehole Seismology and the Study of the Seismic Regime of Large Industrial Centres (Hardcover, 1986 ed.)
Loot Price: R4,540
Discovery Miles 45 400
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Borehole Seismology and the Study of the Seismic Regime of Large Industrial Centres (Hardcover, 1986 ed.)
Series: Modern Approaches in Geophysics, 2
Expected to ship within 12 - 17 working days
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Advances in seismology and extensions of its application have made
it increasingly necessary to perform high-sensitivity
observationsonartificial earth tremors (explosions) or on natural
ones. This implies in particular to investigating the seismic
conditions in large industrial centres. There are many major cities
with a million inhabitants or more in seismically-active regions.
In the USSR, this applies to the capitals of the Union Republics
such as Alma Ata, Frunze, Tashkent, Dushanbe, and Ashkhabad, as
well as to dozens of local entres and cities with extensive
industrial development. Seismic classification and earthquake
forecasting have to be considered in relation to the extension or
building of cities in such regions, and this would be impossible
without detailed investigation of the seismicity, which involves
upgrading the instru mental observation network. The demand for
detailed information on the seismicity increases with every
extension to the construction. A successful solution here can be
implemented only by taking account of some specific factors, the
main one being the high level of seismic noise due to the
activities in large centres, which restricts the sensitivity of the
apparatus and makes it impossible to record weak local earth
tremors, which are of particular interest in periods of relative
seismic calm. Stations at sufficiently great distances from the
city do not sense the city noise, but they also fail to record weak
local earth tremors. Also, the accuracy ofobservation falls for
those tremors that can be recorded because of the great distances
between stations."
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