Dependence of the Timing of Hydrogeochemical Earthquake Precursor in the Southern Baikal Area on the Energy Classes of the Earthquakes and Their Epicentral Distances
Geochemistry International(2019)
摘要
— Data obtained on dissolved He concentrations in the waters of blowing wells in the southern Baikal area indicate that these concentrations show certain variations on the eve of earthquakes. Based on these data, a correlation dependence was calculated for the function log τ R (logarithm of the product of the precursor time of a seismic event by its epicentral distance) on the energy class of the earthquake. Variations in the He concentrations are suggested to be viewed as a short-term precursor of earthquakes.
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关键词
southern Baikal area, groundwaters, helium, hydrogeochemical variations, extremum, energy class, earthquake precursor
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