E3S Web Conf.
Volume 20, 2017VIII International Conference “Solar-Terrestrial Relations and Physics of Earthquake Precursors”
|Number of page(s)||7|
|Section||Physics of Earthquake Precursors|
|Published online||24 October 2017|
Gasgeochemical indicators seismic activity
V.I.Il’ichev Pacific Oceanological Institute (POI) FEB RAS, Russia, 690041, Vladivostok. Baltiyskaya str. 43
* Corresponding author: firstname.lastname@example.org
Laboratory of Gasgeochemistry of POI FEB RAS is studying gas distribution in lithosphere, hydrosphere and atmosphere from 1977 years. Method consist is sampling from its in expedition, take gas from samples of sediment, water and atmosphere to use method degassing and analysis gas in chromatograph, to measure CH4, C2-C4, O2, N2, H2, He and some time Rn. Gas is using like indicators to search oil-gas deposits, gas hydrate, mapping zones faults, to determine seismic activity, to calculate green house gas (CH4, CO2). The next geological, geophysics and hydro-acoustics characteristics assist which help to explain to form methane bubbles fluxes and gas hydrate in the Okhotsk Sea. The methane fluxes are mostly located in the zones faults and it increase in period seismic activity.
© The authors, published by EDP Sciences, 2017
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