西北地震学报2001,Vol.23Issue(2):137-141,5.
祁连—海原地震带中强地震序列类型分布及其应用
THE DISTRIBUTION OF TYPES OF MID-STRONG EARTHQUAKE SEQUENCES IN QILIAN—HAIYUAN SEISMIC ZONE AND THEIR APPLICATION
摘要
Abstract
The types of sequences and features of foreshock and aftershock activities of 18 MS≥5.0 earthquakes since 1970 along Qilian—Haiyuan seismic zone are studied.The space distribution of types of the sequences along the zone is analyzed.The results show that 44 percent of events are mainshock type,and 55 percent of events are isolated type.The sequences in Xiji—Haiyuan—Guyuan segment of the zone are isolated type,that in the middle-eastern segment of the zone are mainshock type,that in the middle segment of the zone are isolated type and mainshock type both, and that in the western segment of the zone are isolated type.The result of the seismicity trend judging after the Jingtai MS5.9 earthquake on June 6,2000 by using study results of this paper consists with real facts.关键词
祁连—海原地震带/地震序列类型/空间分布/震后趋势判定分类
天文与地球科学引用本文复制引用
杨立明,王振亚,程建武,殷志钢..祁连—海原地震带中强地震序列类型分布及其应用[J].西北地震学报,2001,23(2):137-141,5.