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Monitoring of soil radon by SSNTD in Eastern India in search of possible earthquake precursor.

Abstract：

:The present paper deals with monitoring soil radon-222 concentration at two different locations, designated Site A and Site B, 200 m apart at Jadavpur University campus, Kolkata, India, with a view to find possible precursors for the earthquakes that occurred within a few hundred kilometers from the monitoring site. The solid state nuclear track detector CR-39 has been used for detection of radon gas coming out from soil. Radon-222 time series at both locations during the period August 2012-December 2013 have been analysed. Distinct anomalies in the soil radon time series have been observed for seven earthquakes of magnitude greater than 4.0 M that occurred during this time. Of these, radon anomalies for two earthquakes have been observed at both locations A and B. Absence of anomalies for some other earthquakes has been discussed, and the observations have been compared with some earthquake precursor models.

journal_name

J Environ Radioact

journal_title

Journal of environmental radioactivity

authors

Deb A,Gazi M,Ghosh J,Chowdhury S,Barman C

doi

10.1016/j.jenvrad.2018.01.009

subject

Has Abstract

pub_date

2018-04-01 00:00:00

pages

63-70

eissn

0265-931X

issn

1879-1700

pii

S0265-931X(18)30005-5

journal_volume

184-185

pub_type

杂志文章

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