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- Title
2023年12月18日积石山6. 2级地震 的深浅变形构造分析.
- Authors
高 原; 李心怡; 李抒予; 夏新宇; 杨逸文; 王 琼
- Abstract
On December 18, 2023, an Ms6. 2 Jishishan earthquake occurred in Gansu Province, China. The direction of absolute pla/te motion and lithospheric azimuthal anisotropy were consistent in the source area and around. The deformation features by the regional shallow surface deformation and the upper crusta_l anisotropy display distinct spatial perturbations. The local inhomogeneous deformation of the upper crust and the difference in physical proper ties are the deep seismogenic tectonic set ting of the Jishishan eart hquake. The earthquake occurred at the Jishishan east margin fault, which is approximately 30 〜 40 km long. There are no deep seismogenic tectonic conditions along this fault that could trigger earthquakes of comparable or larger magnitudes in the near future.
- Publication
Earthquake (1000-3274), 2024, Vol 44, Issue 1, p160
- ISSN
1000-3274
- Publication type
Article
- DOI
10.12196/j.issn.1000-3274.2024.01.012