It is attracting more and more attention of seismologists in the world that electromagnetic radiation (EMR) was observed before some strong earthquake occurrence (Takahashi, 1988; Warwick, 1982; Yoshino, 1986 ; Oike,1...It is attracting more and more attention of seismologists in the world that electromagnetic radiation (EMR) was observed before some strong earthquake occurrence (Takahashi, 1988; Warwick, 1982; Yoshino, 1986 ; Oike,1985 ; Fujinawa, 1990 ; Qian. 1992, Zhang, 1992). The international co-operation have promoted the development of this kind of science for getting more data to study SEMR physical mechanism. The observation equipments were provided by Japan, the observation installations were provided by the Seismological Bureau of Yunnan Province. Two observatories were built by Prof. Kozo Takahashi and Yukio Fujinawa, and some Chinese seismologists at Xiao Shao. Kunming, and Yuexi, Dan in Nov. 3~7, 1992. Here, some characters of SEMR in Yunnan Province and prediction efficience of the methods of impending earthquake prediction are obtained. And it was found that before the Pu'er M6. 3 earthquake of 1993, that the occurrence time of EMR signals before strong earthquakes approximately synchronizes some other precursors, for example, of water level, water radon and F-ion. That means the SEMR signals are generated by the activation of the tectonic belt in the seismogenic zone.展开更多
文摘It is attracting more and more attention of seismologists in the world that electromagnetic radiation (EMR) was observed before some strong earthquake occurrence (Takahashi, 1988; Warwick, 1982; Yoshino, 1986 ; Oike,1985 ; Fujinawa, 1990 ; Qian. 1992, Zhang, 1992). The international co-operation have promoted the development of this kind of science for getting more data to study SEMR physical mechanism. The observation equipments were provided by Japan, the observation installations were provided by the Seismological Bureau of Yunnan Province. Two observatories were built by Prof. Kozo Takahashi and Yukio Fujinawa, and some Chinese seismologists at Xiao Shao. Kunming, and Yuexi, Dan in Nov. 3~7, 1992. Here, some characters of SEMR in Yunnan Province and prediction efficience of the methods of impending earthquake prediction are obtained. And it was found that before the Pu'er M6. 3 earthquake of 1993, that the occurrence time of EMR signals before strong earthquakes approximately synchronizes some other precursors, for example, of water level, water radon and F-ion. That means the SEMR signals are generated by the activation of the tectonic belt in the seismogenic zone.