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Articles | Volume 17, issue 6
Articles | Volume 17, issue 6
https://doi.org/10.5194/se-17-855-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-17-855-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 6
Method article
 | 
23 Jun 2026
Method article |  | 23 Jun 2026

Perturbation analysis of travel-time accuracy for core phases reconstructed from seismic interferometry

Yingjie Xia, Xuping Feng, and Xiaofei Chen

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Short summary
By analyzing the faint, late-arriving seismic waves from large earthquakes, we can create accurate maps of Earth's deep core. This study provides a new mathematical foundation to confirm the reliability of this method, showing that precise measurements are possible even when earthquake sources are not perfectly distributed. Our findings help improve imaging of Earth's interior, making it more trustworthy.
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