Signal detection and enhancement for seismic crosscorrelation using the wavelet-domain Kalman filter

Y Zhao, F Niu, Z Zhang, X Li, J Chen, J Yang - Surveys in Geophysics, 2021 - Springer
Crosscorrelation is a classical signal-processing technique that plays an important role in
exploration and earthquake geophysics. Seismic velocity estimation utilizes the …

Spatiotemporal variations in crustal seismic anisotropy surrounding induced earthquakes near Fox Creek, Alberta

T Li, YJ Gu, Z Wang, R Wang, Y Chen… - Geophysical …, 2019 - Wiley Online Library
This study analyzes earthquake recordings from four near‐source (< 10 km) stations near
Fox Creek, Alberta, a region known for hydraulic fracturing‐induced seismicity. We examine …

Significant spatial variation of upper crustal anisotropy in Southern Sichuan Basin, China: constraints from local shear wave splitting analysis

Z Qiang, Q Wu, Y Li - Geophysical Journal International, 2025 - academic.oup.com
The recent upsurge in seismic activity within the southern Sichuan Basin has garnered
considerable public attention and simultaneously offers a valuable opportunity for …

Research on focal mechanism of microseismic events and the regional stress during hydraulic fracturing at a shale play site in southwest China

XX Chen, XB Meng, HC Chen, XY Chen, QY Li… - Geophysics, 2024 - library.seg.org
We develop a waveform-matching inversion method to determine the focal mechanism of
microseismic events recorded by a single-well observation system. Our method uses the …

基于地震波的地下介质时变研究进展

孟益, 刘志坤 - 地球与行星物理论评, 2025 - sjdz.org.cn
作为一颗充满活力的星球, 地球存在着从秒(如地震破裂) 到百万年(如地幔对流)
跨越十几个时间数量级的动态演化过程. 利用地震波携带的信息, 目前已经获得了从分钟到年 …

Hydraulic injection‐induced velocity changes revealed by surface wave coda and polarization data at a shale play site in southwest China

Y Zhang, F Niu, K Tao, J Ning, H Chen… - Journal of Geophysical …, 2020 - Wiley Online Library
We investigated temporal variations of seismic wave velocity associated with hydraulic
fracturing using Green's functions computed from ambient noise data. In October and …

Review of temporal variations of underground medium based on seismic waves

M Yi, L Zhikun - Reviews of Geophysics and Planetary Physics, 2025 - sjdz.org.cn
As a vibrant and ever-evolving planet, the Earth has a dynamic evolution process spanning
more than a dozen orders of magnitude from seconds (eg, seismic rupture) to millions of …

Rayleigh‐Love Discrepancy Highlights Temporal Changes in Near‐Surface Radial Anisotropy After the 2004 Great Sumatra Earthquake

W Yu, TRA Song, J Su, JT Lin - Journal of Geophysical …, 2021 - Wiley Online Library
Strong ground motions from large earthquakes are capable of damaging near‐surface
sediments and promoting notable reductions in their seismic velocity structures. These …