地球与行星物理论评（中英文）2026，Vol.57Issue(3)：271-291,21.DOI:10.19975/j.dqyxx.2025-012
青藏高原东北缘地震活动与地壳变形研究展望
Research on seismicity and crustal deformation in the northeastern Qinghai-Xizang Plateau:Current status and future prospect
摘要
Abstract
The northeastern margin of the Qinghai-Xizang Plateau,as the primary tectonic front accommoda-ting plateau expansion,represents a crucial region for investigating plateau uplift and lateral growth mechanisms.This seismically active boundary zone provides key insights into the generation processes of strong intracontine-tal earthquakes.This study presents a comprehensive analysis of multidisciplinary datasets,including contemporary geodetic measurements,historical seismicity records,and geophysical observations.Through systematic analysis of seismic activity patterns and crustal deformation features in the northeastern Qinghai-Xizang Plateau,we characte-rize:(1)the spatial distribution of crustal strain accumulation,(2)the present-day stress field configuration,and(3)fault slip rates along major active faults.These parameters are further integrated to assess regional seismic poten-tial.Finally,by integrating deep and shallow geophysical observations,this study investigates how tectonic deform-ation patterns constrain the plateau expansion and uplift processes in the northeastern margin.Although the under-lying dynamic mechanisms(including vertically coherent deformation versus lower crustal flow)remain debated in this region,the present findings provide critical constraints on both tectonic deformation processes and strong earth-quake generation mechanisms within the Qinghai-Xizang Plateau.They also provide valuable insights into the mechanisms driving the plateau's uplift and lateral extension.Building upon current understanding of seismic acti-vity and crustal deformation patterns,augmented by enhanced geodetic and seismological monitoring capabilities,future research is poised to:elucidate finer-scale crustal deformation characteristics and their underlying deep dy-namic processes,and quantitatively constrain the mechanical coupling between active fault systems and earthquake nucleation processes.These advances will establish a robust scientific framework for understanding crustal thicken-ing mechanisms,lateral extensional deformation,and seismic hazard assessment across the region,while providing critical insights into the integrated tectonic evolution of the Qinghai-Xizang Plateau.关键词
青藏高原东北缘/地震活动/地壳形变Key words
the NE margin of the Qinghai-Xizang Plateau/seismic activity/tectonic deformation分类
天文与地球科学引用本文复制引用
刁洋洋,潘正洋,邵志刚,王武星,郝梅煊..青藏高原东北缘地震活动与地壳变形研究展望[J].地球与行星物理论评（中英文）,2026,57(3):271-291,21.基金项目
中央级公益性科研院所基本科研业务费专项重点资助项目(CEAIEF2024030101,CEAIEF20230206)Supported by the Central Public-interest Scientific Institution Basal Research Fund(Grant Nos.CEAIEF2024030101,CEAIEF20230206) （CEAIEF2024030101,CEAIEF20230206）
