• 责任者：Liang Dingyi (China University of Geosciences ; Wuhan 430074 ; China) ; Nie Zetong
• 刊名：Geological Bulletin of China
• 出版年：2009
• 卷期：28（1）
• 关键词：雾迷山组 ; Wumishan Formation ; 震积岩 ; seismites ; 北京 ; Beijing ; 河北 ; Hebei Province
• 页码：p.30-37
• 图表：2 illus., 2 plates, 16 refs.
• 分类号：1200
• issnNo：ISSN1671-2552
• isbnNo：CN11-4648/P

Yesanpo scenic district was distributed in the eastside of the south branch of the central axial fault in the south Yanshan-Liaoning aulacogen during Mesoproterozoic(1 800～1 200 Ma B. P.). The seismic sequence (seismites) of the 2nd member of Wumishan Formation in Yesanpo, which is dominantly made up of dolomite, can be subdivided into four units from bottom to top: 1) step faults and autoclastic breccia deformation unit; 2) microfold-microfault deformation unit; 3) liquefied homogenization deformation unit; and  4) liquefied convolute lamination deformation unit. All of these four deformation units had undergone the effect of foreshock and principal phase of earthquake (P-wave and S-wave) in various degrees. The authors conclude that the epicenter of this submarine earthquake was located at Baishishan in the west border of central axial fault zone with magnitude of the earthquake ranging 7.0～7.5 in Richter scale and shallow seismic source.