一、资料 大震区平衡活动问题是从邢台地震以后发现的。所谓的“两头跳”实际就是邢台蕴震体内南、北两头强度相仿的强余震(M_L≥4.0)南呼北应的活动现象。如图1所示,就能量释 I. Data The issue of balance in the Great Earthquake area was discovered after the Xingtai earthquake. The so-called “double jump” is actually Xingtai Yun shock body south and north two strong aftershocks (M_L ≥ 4.0) South Hu North should be the phenomenon. Shown in Figure 1, energy release