Anomalous soil radon fluctuations – signal of earthquakes in Nepal and eastern India regions

Journal of Earth system science

Argha Deb1¹  Mahasin Gazi1¹  Chiranjib Barman1 2¹ 

[1] School of Studies in Environmental Radiation and Archaeological Sciences & Department of Physics, Jadavpur University, Kolkata 700 032, India.$$

关键词: Geochemical;    soil radon-222;    earthquake;    solid state nuclear track detector;    time series;   

DOI  :  

学科分类：天文学(综合)

来源: Indian Academy of Sciences

【 摘 要 】

The present paper deals with pre-seismic soil radon-222 recorded at two different locations 200 m apart, at Jadavpur University main campus, Kolkata, India. Solid state nuclear track detector method is used for detection of the radioactive radon gas. Two simultaneous 4-month long time series data have been analysed. Anomalous fluctuations in the radon datasets have been observed prior to recent earthquakes in Nepal and eastern India during the monitoring period, mainly, the massive 25th April 7.8 M Nepal earthquake. The simultaneous measurements assist in identifying seismogenic radon precursor efficiently.

【 授权许可】

Unknown