The reason for synchronous disturbances in the atmospheric electric field and high-frequency geoacoustic emission during the seismotectonic process

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The atmospheric electric field, the geoacoustic emission at frequencies of 0.7–2.0 kHz at three points, the volumetric activity of radon and thoron in the surface ground layer, the atmospheric pressure, the velocity of wind, and the intensity of rain were synchronously measured from August 27 to October 17, 2012, at the interception zone of various faults 41 km southwest of the town of Petropavlovsk Kamchatskiy. It was found for the first time that the increase in radon and thoron concentration in the surface ground layer is accompanied by a decrease in the atmospheric electric field and simultaneous disturbance of the high frequency geoacoustic emission. The stronger emission of these gases into the atmosphere due to the increase in velocity of the extension of subsurface sedimentary rocks during seismotectonic process is the most likely reason for the decrease in the electric field, which occured along with a geoacoustic disturbance.

O.P. Rulenko, Yu.V. Marapulets, and Yu.D. Kuzmin. The reason for synchronous disturbances in the atmospheric electric field and high-frequency geoacoustic emission during the seismotectonic process // Doklady Earth Sciences, 2015, vol. 461, part 1, pp. 307-311. DOI: 10.1134/S1028334X15030228