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Seismic Velocity Changes in Dongtan Mining Area Based on Ambient Noise
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Zonghui DAI1, Junhao QU1, *
Journal of Geodesy and Geodynamics | 2025, 45(1) : 55 - 59
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Journal of Geodesy and Geodynamics | 2025, 45(1): 55-59
Seismic Velocity Changes in Dongtan Mining Area Based on Ambient Noise
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Zonghui DAI1, Junhao QU1, *
Affiliations
  • 1 Shandong Earthquake Agency, 20 East-Wenhua Road, Jinan 250014, China

    • DAI Zonghui, engineer, majors in digital seismology, E-mail:

About Author:

DAI Zonghui, engineer, majors in digital seismology, E-mail:

Published: 2025-01-15 doi: 10.14075/j.jgg.2024.03.089
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Based on the seismic ambient noise cross-correlation method, we calculate the relative velocity variation within the underground medium. We utilize continuous waveform data from the CCH and BDS stations at Dongtan mine, spanning from 2 a.m. on February 8, 2022, to 7 a.m. on March 8, 2023. The analysis focuses on the correlation between these velocity changes and both the mining operation and seismic activity at the 63up06 working face. The findings reveal a notable impact of the mining operation at the 63up06 working face on the wave velocity within the underground medium. Additionally, a clear correlation exists between the changes in wave velocity and the incidence of mine earthquakes, highlighting the interplay between variations in underground stress levels and seismic events. Furthermore, the release of underground stress during mine earthquakes can lead to slight fluctuations in wave velocity.

ambient noise  /  velocity change  /  Dongtan mining  /  mine-induced seismicity
戴宗辉, 曲均浩. 基于背景噪声研究东滩矿区地下介质波速变化特征. 大地测量与地球动力学, 2025 , 45 (1) : 55 -59 . DOI: 10.14075/j.jgg.2024.03.089
Zonghui DAI, Junhao QU. Seismic Velocity Changes in Dongtan Mining Area Based on Ambient Noise[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (1) : 55 -59 . DOI: 10.14075/j.jgg.2024.03.089
Funding
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  • Special Project for Cultivating Scientific and Technological Innovation Teams of Shangdong Earthquake Agency(TD202301)
Appendix
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Year 2025 volume 45 Issue 1
22
8
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Article Info
doi: 10.14075/j.jgg.2024.03.089
  • Receive Date：2024-03-05
  • Online Date：2026-10-30
  • Published：2025-01-15
Article Data
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History
  • Received：2024-03-05
Funding
Special Project for Cultivating Scientific and Technological Innovation Teams of Shangdong Earthquake Agency(TD202301)
Affiliations
    1 Shandong Earthquake Agency, 20 East-Wenhua Road, Jinan 250014, China
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Citations
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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