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Study on Gravity Anomaly Characteristics Using Wavelet Transform before the Wushi MS7.1 Earthquake on January 23, 2024
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Li CHEN1, 2, Daiqin LIU1, 2, 3, *, Yushan AILIXIATI1, 2, 3, Yasen ABUDUTAYIER1, 2, Lei ZHAO1, 2, Yu DING1, 2, Bingye LI1, 2, Rui LI1, 2
Journal of Geodesy and Geodynamics | 2025, 45(3) : 279 - 283
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Journal of Geodesy and Geodynamics | 2025, 45(3): 279-283
Study on Gravity Anomaly Characteristics Using Wavelet Transform before the Wushi MS7.1 Earthquake on January 23, 2024
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Li CHEN1, 2, Daiqin LIU1, 2, 3, *, Yushan AILIXIATI1, 2, 3, Yasen ABUDUTAYIER1, 2, Lei ZHAO1, 2, Yu DING1, 2, Bingye LI1, 2, Rui LI1, 2
Affiliations
  • 1 Earthquake Agency of Xinjiang Uygur Autonomous Region, 338 Second-Kexue Street, Urumqi 830011, China
  • 2 Xinjiang Pamir Intracontinental Subduction National Observation and Research Station, 338 Second-Kexue Street, Urumqi 830011, China
  • 3 School of Earth and Space Sciences, University of Science and Technology of China, 96 Jinzhai Road, Hefei 230026, China

    • CHEN Li, senior engineer, majors in gravity observation and seismicity, E-mail:

About Author:

CHEN Li, senior engineer, majors in gravity observation and seismicity, E-mail:

Published: 2025-03-15 doi: 10.14075/j.jgg.2024.04.196
Outline
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The dynamic evolution characteristics of regional gravity field at different time scales before the Wushi MS7.1 earthquake are obtained by using the mobile gravity observation data of southern Tianshan area from 2020 to 2023, and the approximate field source depth corresponding to each order wavelet gravity detail is obtained by power spectrum analysis method. The results show that: 1)Before the Wushi MS7.1 earthquake, the gravity changes in Wuqia-Bachu and Aksu areas show an obvious four-quadrant distribution, and the epicenter is located at the edge of four quadrants and near the zero line. 2)The wavelet transform results of gravity field in southern Tianshan area from 2020 to 2023 show that before the Wushi MS7.1 earthquake, the gravity changes in Wuqia-Bachu area shows obvious four-quadrant distribution, and the epicenter is located at the edge of four quadrants and near the zero line.

mobile gravity  /  wavelet transform  /  Wushi earthquake
陈丽, 刘代芹, 艾力夏提·玉山, 阿卜杜塔伊尔·亚森, 赵磊, 丁宇, 李秉烨, 李瑞. 利用小波变换研究2024-01-23乌什MS7.1地震前重力异常特征. 大地测量与地球动力学, 2025 , 45 (3) : 279 -283 . DOI: 10.14075/j.jgg.2024.04.196
Li CHEN, Daiqin LIU, Yushan AILIXIATI, Yasen ABUDUTAYIER, Lei ZHAO, Yu DING, Bingye LI, Rui LI. Study on Gravity Anomaly Characteristics Using Wavelet Transform before the Wushi MS7.1 Earthquake on January 23, 2024[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (3) : 279 -283 . DOI: 10.14075/j.jgg.2024.04.196
Funding
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  • Natural Science Foundation of Xinjiang Uygur Autonomous Region(2022D01A106)
  • Natural Science Foundation of Xinjiang Uygur Autonomous Region(2023D01A105)
  • Key Research and Development Program of Xinjiang Uygur Autonomous Region(2020B03006-2)
  • The Third Xinjiang Comprehensive Scientific Expedition Program(2022xjkk1305)
Appendix
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Year 2025 volume 45 Issue 3
26
9
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Article Info
doi: 10.14075/j.jgg.2024.04.196
  • Receive Date：2024-04-27
  • Online Date：2026-10-30
  • Published：2025-03-15
Article Data
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History
  • Received：2024-04-27
Funding
Natural Science Foundation of Xinjiang Uygur Autonomous Region(2022D01A106)
Natural Science Foundation of Xinjiang Uygur Autonomous Region(2023D01A105)
Key Research and Development Program of Xinjiang Uygur Autonomous Region(2020B03006-2)
The Third Xinjiang Comprehensive Scientific Expedition Program(2022xjkk1305)
Affiliations
    1 Earthquake Agency of Xinjiang Uygur Autonomous Region, 338 Second-Kexue Street, Urumqi 830011, China
    2 Xinjiang Pamir Intracontinental Subduction National Observation and Research Station, 338 Second-Kexue Street, Urumqi 830011, China
    3 School of Earth and Space Sciences, University of Science and Technology of China, 96 Jinzhai Road, Hefei 230026, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2024.04.196
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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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