Abstract
The spatial variations of soil gas in the northern edge of West Qinling Fault were investigated based on the field measurement of radon concentration. Radon concentrations highlighted a decreasing gradient from the middle segment to NW and SE along the fault and the fault zone was divided into three segments. We observed that the measured radon data showed a moderate positive correlation with relative fault activity. The hazard segment area was marked according to the relationship between the spatial concentration anomaly values of soil-gas radon and the seismotectonic background.
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Acknowledgments
This work is supported by the basic R&D fund of the Institute of Earthquake Science, China Earthquake Administration (CEA) (Grant 2013IESLZ04), Spark Program of China Earthquake Administration (Grant XH15043) and natural science foundation of Gansu province (Grant 1308RJZA275).
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Li, C., Su, H., Zhang, H. et al. Correlation between the spatial distribution of radon anomalies and fault activity in the northern margin of West Qinling Fault Zone, Central China. J Radioanal Nucl Chem 308, 679–686 (2016). https://doi.org/10.1007/s10967-015-4504-8
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DOI: https://doi.org/10.1007/s10967-015-4504-8