The nexus of soil radon and hydrogen dynamics and seismicity of the northern flank of the Kuril-Kamchatka subduction zone

Pavel P. Firstov, Valentina S. Yakovleva, Vladimir A. Shirokov, Oleg P. Rulenko, Yury A. Filippov, Olga P. Malysheva

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The comparison of kinematics and dynamic parameters of radon and molecular hydrogen concentration in subsoil air on the stations network at the Petropavlovsk-Kamchatsky geodynamic proving ground with seismicity of the northern flank of the Kuril-Kamchatka subduction zone was fulfilled in the period from July till August 2004. On the basis of correlation analysis of the regional seismicity and variations of radon flux density calculated using the data of gas-discharge counters of STS-6 type and SSNTDs it was shown that the radon mass transfer abnormal variations are conditioned by both regional seismicity in total and the subduction zone of proving ground. The azimuths of «geodeformation waves» coming to the registration points are calculated during clearly expressed anomaly beginnings, which coincide with directions to earthquake epicenters taking place at the same time. The geochemical anomalies recorded are presumptively deformative by nature and can be conditioned by processes of «quasi-viscous» flow of the lithosphere during rearrangement of tectonic stress fields of the subduction zone. The short-term (predicted time T<14 days) precursor of the earthquakes swarm was revealed in hydrogen dynamics on August, 4-5 (four earthquakes had M ≥ 5.3 and epicentral distance about 130 km from the Paratunka base station).

Original languageEnglish
Pages (from-to)547-556
Number of pages10
JournalAnnals of Geophysics
Volume50
Issue number4
Publication statusPublished - Aug 2007

Fingerprint

radon
subduction zone
seismicity
soils
earthquakes
hydrogen
gas discharge counters
stations
anomalies
anomaly
earthquake swarm
space transportation system
viscous flow
soil
geodynamics
earthquake epicenter
lithosphere
azimuth
subsoil
stress field

Keywords

  • Earthquake
  • Geode-formation wave
  • Hydrogen
  • Radon
  • Seismicity

ASJC Scopus subject areas

  • Geophysics

Cite this

Firstov, P. P., Yakovleva, V. S., Shirokov, V. A., Rulenko, O. P., Filippov, Y. A., & Malysheva, O. P. (2007). The nexus of soil radon and hydrogen dynamics and seismicity of the northern flank of the Kuril-Kamchatka subduction zone. Annals of Geophysics, 50(4), 547-556.

The nexus of soil radon and hydrogen dynamics and seismicity of the northern flank of the Kuril-Kamchatka subduction zone. / Firstov, Pavel P.; Yakovleva, Valentina S.; Shirokov, Vladimir A.; Rulenko, Oleg P.; Filippov, Yury A.; Malysheva, Olga P.

In: Annals of Geophysics, Vol. 50, No. 4, 08.2007, p. 547-556.

Research output: Contribution to journalArticle

Firstov, PP, Yakovleva, VS, Shirokov, VA, Rulenko, OP, Filippov, YA & Malysheva, OP 2007, 'The nexus of soil radon and hydrogen dynamics and seismicity of the northern flank of the Kuril-Kamchatka subduction zone', Annals of Geophysics, vol. 50, no. 4, pp. 547-556.
Firstov, Pavel P. ; Yakovleva, Valentina S. ; Shirokov, Vladimir A. ; Rulenko, Oleg P. ; Filippov, Yury A. ; Malysheva, Olga P. / The nexus of soil radon and hydrogen dynamics and seismicity of the northern flank of the Kuril-Kamchatka subduction zone. In: Annals of Geophysics. 2007 ; Vol. 50, No. 4. pp. 547-556.
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