2019年四川荣县MS4.9地震序列监测与活动特征研究

来源 :地震科学进展 | 被引量 : 0次 | 上传用户:Liudeyuan123
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
通过对荣县M_S4.9地震震中及附近地区地震监测、地震地质、地震活动背景和区域地震活动性的分析表明,荣县M_S4.9地震震前经历了区域地震平静至活跃、再发震的过程,该序列为正常的震群型,震中区及其附近的华蓥山断裂地震带和马边地震带的震后地震学参数均正常。荣县M_S4.9地震发震断裂为荣县-威远基底断裂,华蓥山断裂带及其附近地区2018年开始的5—6级地震活跃与川西地区东昆仑断裂带2017年8月九寨沟M_S7.0强震的发生存在呼应关系。
其他文献
Optoelectronic properties of MoSe2 are modulated by controlled annealing in air.Characterizations by Raman spec-troscopy and XPS demonstrate the introduction of
Designing and manufacturing cost-effective absorbers that can cover the full-spectrum of solar irradiation is still critically important for solar harvesting.Ut
Dimerized spin-1/2 ladders exhibit a variety of phase structures,which depend on the intra-chain and inter-chain spin exchange energies as well as on the dimeri
We develop a numerical scheme for solving the one-dimensional (1D) time-dependent Schr(o)dinger equation (TDSE),and use it to study the strong-field photoioniza
As the competition for marine resources is increasingly fierce,the security of underwater acoustic communication has attracted a great deal of attention.The inf
The feasibility of using the nonlinear effect of primary circumferential guided wave (CGW) propagation for char-acterizing the change of inner layer thickness o
Narrow band mid-infrared (MIR) absorption is highly desired in thermal emitter and sensing applications.We theo-retically demonstrate that the perfect absorptio
Mo,as a dopant,is doped into SbTe to improve its thermal stability.It is shown in this paper that the Mo-doped Sb2Te3(Mo0.26Sb2Te3,MST) material possesses phase
Diffraction-free vectorial elliptic hollow beams (vEHBs) are generated by an optical system composed of a short elliptic hollow fiber (EHF) and an axicon.Each b
A two-dimensional dose detector for ion beam is required in many high energy density physics experiments.As a solid detector,the GAFChromic film offers a good s