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1932年麻城6.0级强震的蕴育环境条件探讨 被引量:4

STUDY ON THE SEISMOGENIC ENVIRONMENT CONDITION OF THE MACHEN Ms6.0 EARTHQUAKE IN 1932
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摘要 本文在活断层研究和地震宏观调查的基础上,从现代地壳运动特征及活动断层几何学,运动特征等方面研究了1932年麻城Ms6.0级地震的蕴育环境条件,为预测该区强震的地点和强度提供依据。 Based on the active fault study and seismic macroexamination, in this paper, the seismogenic environment condition of the Machen earthquake are discussed by the recent crustal movement and fault activity. The essential conclusions are that (1) This eaethquake is located at the region which is under a joint action of the compression stress in near east-west direction and the tension stresses restated from the uplift of upper mantle, and (2)The Machen-Tuanfeng fault is roughly divided into two segments. The south and central segment are throughout the basement layer or the upper mantle. The north segment, however, not forms the major fault, so that a lock fault part where the strain energy can accumulate and release concentricaly is formed. This is why the Maehen earthquake occurred here in 1932.
出处 《地壳形变与地震》 CSCD 1992年第4期78-84,共7页 Crustal Deformation and Earthquake
关键词 应力场 蕴育 环境 地震 强震 tectonic trace, stress field, seismogenic environment condition
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参考文献3

  • 1李安然,韩晓光.麻城-团风断裂带现代构造应力环境的讨论[J]地壳形变与地震,1984(02).
  • 2甘家思,刘锁旺.鄂豫皖毗邻区的某些地震地质特征[J]地壳形变与地震,1981(04).
  • 3曹新菊,虞廷林.鄂东地区的地壳形变与现代构造活动[J]地壳形变与地震,1981(03).

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