RELATIONSHIP OF THE ANOMALIES FROM NITROGEN AND HELIUM RATIO IN LIAOGU-1 WELL WITH MEDIUM AND STRONG EARTHQUAKES
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Graphical Abstract
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Abstract
The ratio of nitrogen and helium(N2/He) in Liaogu-1 Well from January 1981 to October 2007 is calculated.After low-pass filtering, we found that the anomalies of N2/He were corresponding well with regional medium and strong earthquakes.The relationship between the variation of anomalies and earthquakes is analyzed, and the indexes of anomalies are presented.The mechanism to reflect earthquakes is also discussed.
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