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Temporal Change Characteristics of Stress Field in Shanxi Province
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Xia WANG1, 2, Meiqing SONG1, 2, *, Haoyu WU1, 2, Xiangjun LIANG1, 2, Rui LV1, 2, Wenfeng GUO1, 2, Na ZHANG1, 2
Journal of Geodesy and Geodynamics | 2025, 45(6) : 593 - 598
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Journal of Geodesy and Geodynamics | 2025, 45(6): 593-598
Temporal Change Characteristics of Stress Field in Shanxi Province
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Xia WANG1, 2, Meiqing SONG1, 2, *, Haoyu WU1, 2, Xiangjun LIANG1, 2, Rui LV1, 2, Wenfeng GUO1, 2, Na ZHANG1, 2
Affiliations
  • 1 Shanxi Earthquake Agency, 69 Second Section of Jinci Road, Taiyuan 030021, China
  • 2 National Continental Rift Valley Dynamics Observatory of Taiyuan, Jinci Town, Taiyuan 030025, China

    • WANG Xia, senior engineer, majors in seismicity activity and comprehensive prediction, E-mail:

About Author:

WANG Xia, senior engineer, majors in seismicity activity and comprehensive prediction, E-mail:

Published: 2025-06-15 doi: 10.14075/j.jgg.2024.05.255
Outline
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Based on the focal mechanism solutions of small earthquakes in Shanxi province since 2001, the time curve of 1D stress field is inverted. The results show that the azimuth angle change of the three main axes of the stress field in Shanxi province is generally stable, the plunge angles of σ1 and σ2 show synchronous reverse change, and the plunge angles of σ3 is nearly horizontal, revealing that the study area is a long-term stable horizontal tension structural stress field environment. From the temporal change of plunge angles, the stress field is divided into two periods including 2001-02-06 to 2008-12-19 and 2008-12-20 to 2023-07-31. The first period is the stress field of strike-slipping property, and the second period is the stress field of normal-fault property. During these two periods, most of the moderate earthquakes in Shanxi province match the corresponding stress field characteristics. The M9.0 earthquake in Japan, 2001 did not significantly change the stress field in Shanxi province.

focal mechanism solution  /  stress field  /  temporal change  /  Shanxi province  /  moderate earthquake
王霞, 宋美卿, 吴昊昱, 梁向军, 吕睿, 郭文峰, 张娜. 山西地区应力场的时间变化特征研究. 大地测量与地球动力学, 2025 , 45 (6) : 593 -598 . DOI: 10.14075/j.jgg.2024.05.255
Xia WANG, Meiqing SONG, Haoyu WU, Xiangjun LIANG, Rui LV, Wenfeng GUO, Na ZHANG. Temporal Change Characteristics of Stress Field in Shanxi Province[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (6) : 593 -598 . DOI: 10.14075/j.jgg.2024.05.255
Funding
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  • Project of National Continental Rift Valley Dynamics Observatory of Taiyuan, Shanxi(NORSTY2021-01)
  • Project of National Continental Rift Valley Dynamics Observatory of Taiyuan, Shanxi(NORSTY2023-07)
  • Project of National Continental Rift Valley Dynamics Observatory of Taiyuan, Shanxi(NORSTY2023-08)
  • Open Fund of Earthquake Prediction(XH24004D)
  • The Spark Program of Earthquake Technology of CEA(XH200403Y)
  • Youth Fund Project of Shanxi Province(201901D211548)
  • Natural Science Foundation of Beijing(8232053)
Appendix
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Year 2025 volume 45 Issue 6
18
6
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Article Info
doi: 10.14075/j.jgg.2024.05.255
  • Receive Date：2024-05-30
  • Online Date：2026-10-30
  • Published：2025-06-15
Article Data
Affiliations
History
  • Received：2024-05-30
Funding
Project of National Continental Rift Valley Dynamics Observatory of Taiyuan, Shanxi(NORSTY2021-01)
Project of National Continental Rift Valley Dynamics Observatory of Taiyuan, Shanxi(NORSTY2023-07)
Project of National Continental Rift Valley Dynamics Observatory of Taiyuan, Shanxi(NORSTY2023-08)
Open Fund of Earthquake Prediction(XH24004D)
The Spark Program of Earthquake Technology of CEA(XH200403Y)
Youth Fund Project of Shanxi Province(201901D211548)
Natural Science Foundation of Beijing(8232053)
Affiliations
    1 Shanxi Earthquake Agency, 69 Second Section of Jinci Road, Taiyuan 030021, China
    2 National Continental Rift Valley Dynamics Observatory of Taiyuan, Jinci Town, Taiyuan 030025, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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