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Title: Evolution of methodology multi-parametrical Observation on the territory of Georgia
Authors: Kapanadze, N.
Melikadze, G.
Machaidze, Z.
Kimotidze, Sh.
Bedianishvili, Kh.
Keywords: გეოფიზიკა;შრომები;network;Multi-parameters
Issue Date: 2011
Citation: COMPLEX RESEARCH OF EARTHQUAKE’S FORECASTING POSSIBILITIES, SEISMICITY AND CLIMATE CHANGE CORRELATIONS, BlackSeaHazNet Training-Seminar Workshop 13-16 Sept, 2011,Tbilisi, Georgia. Vol. 2. pp.54-64
Abstract: Since 1979, researches for earthquake forecasting promoted development of a hydro-chemical network of special regime regional observation. On the territory of Georgia hydro-chemical observations are carried out on 23 boreholes. During observations a lot of anomalies were fixed, but because of the diversity of chemical water content it was impossible to conduct observations of the unified parameters for creating the complete picture of strains on the whole territory. This is the reason why we decided to conduct observations for those parameters which could fix tidal variations with deformation of 10-8 degree, what is compared with strains differences during earthquakes preparation period. Besides, it was possible to conduct unified observations. Water level in the deep boreholes was one of them. That way since 1885, the network of 10 boreholes of different depth (from 250 up to 3500 m) covers the whole territory of Georgia. Boreholes characterize all basic geo-plates and open waters of deep aquifer, actually they represent sensitive volumetric strainmeters, and react on the deformations about 10-7-10-8, caused both by endogenous, and exogenous factors. A borehole was considered informative if it was fixing tidal variations and was included in the network. Special monitoring equipment is installed at boreholes which record several parameters, i.e. water level and microtemperature, atmosphere pressure and surface temperature, tilt, magnetic field and others. The data can be gathered in real time using the GSM net.
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