2008•North China Earthquake SciencesRequires access
The jumping anomaly of ground temperature before Tangshan M7.8 earthquake occurred in July of 1976
Xin Bao-heng
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Abstract
The ground temperature in Tangshan and Changli Observatory suddenly increased 1.1℃ and 1.2℃ respectively 4 days before Tangshan earthquake.Based on the weather background before the earthquake,the abnormal phenomenon is analyzed.The comparison of epicenter region with outside area as well as filtering analysis showed that the anomalies were caused by deep factors.Some explanations to the cause were also presented.