Hydrogeoseismological Research in Kamchatka: 1977–2017статьяИсследовательская статьяПеревод
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Дата последнего поиска статьи во внешних источниках: 20 ноября 2019 г.
Аннотация:This paper is concerned with the main stages in the setting-up and technical development of a system
specializing in physical and chemical parameters of groundwater at a network of wells and springs in the
Petropavlovsk Geodynamic Test Area, Kamchatka. The focus is on a description of hydrogeochemical and
hydrogeodynamic precursors to Kamchatka earthquakes (Мw = 6.6–7.8) that occur a few weeks to a few
months before a seismic event, manifesting themselves in anomalous changes in chemical composition and
groundwater level. The precursors are discussed in application to their use at specialized councils on earthquake
prediction. It is shown that the system of automated observation of groundwater parameters at wells as
developed at the Kamchatka Branch of the Geophysical Survey of the Russian Academy of Sciences (KB GS
RAS) is capable of identifying hydrogeodynamic precursors of water level in near real time and of providing,
in some particular cases, quantitative estimates of pre-seismic and coseismic of deformation in water-saturated
rocks. This can be useful in geophysical monitoring and intermediate-term prediction of strong earthquakes
for the Kamchatka region.