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一 般问题中国大陆地区快速破裂场的主要特点及其形成的原因李永善、李金正(陕西省地震局)本文利用强震活动资料,探讨了快速弹性破裂面、破裂体、破裂区、破裂系和破裂场之间的关系.指出,破裂场是客观存在,可以用模糊数学方法来描述和分析.本文还从破裂场角度探讨了我国大陆地区的主要强震带的成因及其与板块边缘强震带的关系.认为,板内强震带以板块边缘破裂带向板内逐步扩展的结果,整个地壳和板内地壳快速弹性破裂的主要形态是网络式的破裂.破裂的次序是先大块后小块,先边缘后内部,先两端后中间.我国近百年来的强震活动和迁移图象与上述推论非常符合.最后提出了一个关于整个地壳和板内地壳的快速弹性破裂的初步假设(或模式).它可能对进一步研究板内强震有重要的理论和实用意义.
GENERAL PROBLEM The main features of rapid rupture field in China and their causes Li Yongshan, Li Jinzheng (Seismological Bureau of Shaanxi Province) Based on the data of strong earthquakes, this paper discusses the rapid elastic rupture planes, rupture bodies, rupture zones, rupture systems and ruptures It is pointed out that the rupture field is an objective existence and can be described and analyzed by fuzzy mathematics method.This dissertation also discusses the causes of the major seismic zones in continental China and their relations with the strong seismic belt The results show that the main form of rapid elastic fracture in the whole crust and in the crust is network rupture as a result of the strong earthquake zone in the plate expanding gradually into the plate with the edge of the plate rupture zone.The order of rupture is first large and small Block, the first edge of the interior, the first two ends of the middle of China’s past 100 years of strong earthquake activity and the migration image is consistent with the above inference.Finally, a preliminary assumption about the rapid crushing of the entire crust and intraplate crust Or mode.) It may have important theoretical and practical significance for further study on strong intra-plate earthquake.