【摘要】 1989年10月19日山西大同—阳高发生了6.1级地震。震前河北省怀₄井氢、汞浓度出现了显著异常,我们根据此异常对这次地震作了一定程度的预报。更多还原

【Abstract】 On October 19, 1989 occurred Datong-Yanggao 6.1 earthquake. Before the earthquake, hydrogen and mercury concentrations in Huailai No. 4 well in Hebei Province showed significant anomalies and based on this a prediction was made, to a certain extent, for this earthquake.更多还原