Sin-Mei Wu - PUBLICATIONS

Publications

Last updated 2026/8/5

Manuscripts

Liu., C.-N., Lin, F.-C., Manga, M., Farrell, J., Wu, S.-M. Predictability of Steamboat Geyser Eruptions on Short and Long Timescales, submitted.

Peer-reviewed publications

Feel free to reach out to me (smwu@hawaii.edu) for a copy!

2026

23. Wu, S.-M. & Nakata, N. Fracture Orientation Inferred from Correlation-Based Microseismicity Focal Mechanism Using Integrated Arrays at Utah FORGE, accepted at BSSA.

22. Junker, J., Maurer, H., Zappone, A., Wu, S.-M. & Obermann, A. (2026). Feasibility of Crosshole Seismic Tomography for Monitoring in-situ CO2 Mineral Storage in Basalts: A Rock Physics- and Seismic-Modelling Study, Geochemistry, Geophysics, Geosystems, 27, e2025GC012635. https://doi.org/10.1029/2025GC012635

21. Li, J., Wu, S.-M., Sánchez-Pastor, P., Ermert, L. & Obermann, A. (2026). Distant storms can affect seismic noise crustal monitoring, Geophysical Research Letters, 53, e2025GL119188. https://doi.org/10.1029/2025GL119188

2025

20. Wu, S.-M., Lin, G. & Shearer, P. (2025). Seismic Velocity Monitoring Reveals Complex Magma Transport Dynamics at Kīlauea Volcano Prior to the 2018 Eruption, AGU Advances, https://doi.org/10.1029/2025AV001759. SOEST press Editor's Highlights Hawaiʻi Public Radio

2024

19. Wu, S.-M., Sánchez-Pastor, P., Ágústsdóttir, T., Hersir, G., Mordret, M., Hjörleifsdóttir, V., Obermann, A. (2024). Crustal characterization of the Hengill geothermal fields: Insights from isotropic and anisotropic seismic noise imaging using a 500-node array, Journal of Geophysical Research: Solid Earth, 129, https://doi.org/10.1029/2024JB028915.

2023

18. Sánchez-Pastor, P., Wu, S.-M., Hokstad, K., Kristj ́ansson, B., Drouin V., Ducrocq, C., Gunnarsson, G., Rinaldi, A., Obermann, A. & Wiemer, S. (2023). Steam caps in geothermal reservoirs can be monitored using seismic noise interferometry, Communications Earth & Environment, https://doi.org/10.1038/s43247-023-01122-8.

17. Wu, S.-M., Huang, H.-H., Lin, F.-C., Farrell, J., Schmandt, B. (2023). Extreme Seismic Anisotropy Indicates Shallow Accumulation of Magmatic Sills beneath Yellowstone Caldera, Earth and Planetary Science Letters, https://doi.org/10.1016/j.epsl.2023.118244. Live Science

16. Pang, G., Koper D. K., Wu, S.-M., Wang, W., & Lasbleis, M. & G. Euler. (2023). Enhanced Inner Core Fine-Scale Heterogeneity toward the Earth's Center, Nature, https://doi.org/10.1038/s41586-023-06213-2. pdf

15. Liu., C.-N., Lin, F.-C., Manga, M., Farrell, J., Wu, S.-M., Reed, M., Barth, A., Hungerford, J., & White, E. (2023). Short and long-term thumping cycle variations of Doublet Pool in Yellowstone National Park, USA, Geophysical Research Letters, http://dx.doi.org/10.1029/2022GL101175.

2022

14. Obermann, A., Wu, S.-M., Agustsdottir, T., Duran, A., Diehl, T., Sánchez-Pastor, P., Kristjansdottir, S., Hjörleifsdóttir, V., Wiemer, S., & Hersir, G. (2022). Seismicity and 3-D body-wave velocity models across the Hengill geothermal field, Frontiers in Earth Science, https://doi.org/10.3389/feart.2022.969836.

13. Vera Rodriguez, I., Isken, M. P., Dahm, T., Kraft, T., Lamb, O. D., Wu, S.-M., Kristjánsdóttir, S., Jónsdóttir, K., Sánchez-Pastor, P., Clinton, J., Wollin, C., Baird, A. F., Wüstefeld, A., Booz, B., Eibl, E. P. S., Heimann, S., Goertz-Allmann, B., Jousset, P., Oye, V., & Obermann, A. (2022). Acoustic signals of a meteoroid recorded on a large-N seismic network and fibre optic cables, Seismological Research Letters, https://doi.org/10.1785/0220220236.

12. Wu, S.-M., Pang, G., Koper, K., & G. Euler. (2022). A Search for Large-scale Variations in the Fine-Scale Structure of Earth’s Inner Core, Journal of Geophysical Research: Solid Earth, https://doi.org/10.1029/2022JB024420.

11. Obermann, A., Sánchez-Pastor, P., Wu, S.-M., Wollin, C., Baird, A., Isken, M. P., Clinton, J., Gyger, L., Goertz-Allmann, B., Dahm, T., Wüstefeld, A., Jousset, P., Hjörleifsdóttir, V., & Wiemer, S. (2022). Combined large-N seismic arrays and DAS fibre optic cables across the Hengill geothermal field, Iceland, Seismological Research Letters, doi: https://doi.org/10.1785/0220220073.

10. Rabade, S., Wu, S.-M., Lin, F.-C., & Chambers, D. J. A. (2022). Isolating and tracking noise sources across an active longwall mine using seismic interferometry, Bulletin of the Seismological Society of America, 112(5). https://doi.org/10.1785/0120220031. BSSA press

2021

9. Wu, S.-M., Lin, F.-C., Farrell, J., Keller, W., White, E., & Hungerford, J. (2021). Imaging the Subsurface Plumbing Complex of Steamboat Geyser and Cistern Spring with Hydrothermal Tremor Migration using Seismic Interferometry, Journal of Geophysical Research: Solid Earth, 126. e2020JB021128. https://doi.org/10.1029/2020JB021128. Caldera Chronicles @THE U more

8. Reed, M. H., Muñoz-Saez, C., Hajimirza, S., Wu, S. -M., Barth, A., Girona, T., Rasht-Behesht, M., White, E., Karplus, M. S., Hurwitz, S., & Manga, M. (2021). The 2018 reawakening and eruption dynamics of Steamboat Geyser, the world’s tallest active geyser, Proceedings of the National Academy of Sciences, 118. https://doi.org/10.1073/pnas.2020943118. Berkeley press

2020

7. Wu, S.-M., Lin, F.-C., Farrell, J., Shiro, B., Karlstrom, L., Okubo, P., & Koper, K. (2020). Spatiotemporal Seismic Structure Variations Associated with the 2018 Kīlauea Eruption based on Temporary Dense Geophone Arrays, Geophysical Research Letters, 47. e2019GL086668. https://doi.org/10.1029/2019GL086668. Cover image

2019

6. Wu, S.-M., Lin, F.-C., Allam, A., & Farrell, J. (2019). Imaging the deep subsurface plumbing of Old Faithful geyser from low-frequency hydrothermal tremor migration, Geophysical Research Letters, 46. https://doi.org/10.1029/2018GL081771. Caldera Chronicles The Guardian

5. Xu, D., Song, B., Zhang, R., Xie, Y., Wu, S.-M., Lin, F.-C., & Song, W. (2019). Low-rank matrix completion for distributed ambient noise imaging systems, 2019 53nd Asilomar Conference Signals, Systems, and Computers, IEEE, 1059–1065. DOI: 10.1109/IEEECONF44664.2019.9049077

2018

4. Farrell, J., Wu, S.-M., Ward, K. M., & Lin, F.-C. (2018). Persistent noise signal in the FairfieldNodal three component 5‐Hz geophones, Seismological Research Letters, 89(5), 1609-1617. https://doi.org/10.1785/0220180073.

3. He, Xi., Xie, Y., Wu, S.-M., & Lin, F.-C. (2018). Sequential Graph Scanning Statistic for Change-point Detection, 2018 52nd Asilomar Conference on Signals, Systems, and Computers, IEEE, 1317-1321. DOI:10.1109/ACSSC.2018.8645505

2. Xie, L., Xie, Y., Wu, S.-M., Lin, F.-C., & Song, W. (2018). Communication efficient signal detection for distributed ambient noise imaging, 2018 52nd Asilomar Conference Signals, Systems, and Computers, IEEE, 1779–1783. DOI: 10.1109/ACSSC.2018.8645222

2017

1. Wu, S.-M., Ward, K. M., Farrell, J., Lin, F.-C., Karplus, M., & Smith, R. B. (2017). Anatomy of Old Faithful from subsurface seismic imaging of the Yellowstone Upper Geyser Basin, Geophysical Research Letters, 44(20). doi:10.1002/2017GL075255. AGU highlight GRL Commentary Science More

Research supervision

Junker, J. S. (2022). Master thesis: "Seismic Monitoring Strategies for Carbon Dioxide Mineralization in Basalt", ETH Zürich

Outreach

Caldera Chronicles (U.S. Geological Survey Yellowstone Volcano Observatory weekly column): "New views of how magma is stored beneath Yellowstone provided by hundreds of seismic sensors". link

Caldera Chronicles (U.S. Geological Survey Yellowstone Volcano Observatory weekly column): “The complex plumbing systems of Steamboat Geyser and Cistern Spring”. link

Cover Image of 2018 Kīlauea Eruption for Geophysical Research Letters Volume47, Issue9 https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019GL086668

Caldera Chronicles (U.S. Geological Survey Yellowstone Volcano Observatory weekly column): “A new view of Old Faithful's underground plumbing system”. link

Invited Presentations

SeismoTea, seismological group seminar at Department of Geology and Geophysics, University of Utah October 2023
Berkeley Seismology Lab Seminar September 2023
School of Earth and Atmospheric Sciences, Georgia Institute of Technology November 2022
Institute of Geophysics, ETH Zurich October 2021
Department of Earth and Planetary Sciences, Harvard University October 2020
Department of Geosciences, National Taiwan University. October 2019
Institute of Earth Sciences, Academia Sinica, Taiwan. October 2019
Department of Earth Sciences, National Central University, Taiwan. October 2019
Workshop on Frontiers in Seismic Interferometry, Taipei, Taiwan September 2019

Conference Presentations

Wu, S.-M., Pang, G., & Koper, K. (2024), Illuminating Earth’s inner core fine-scale heterogeneity with small aperture arrays, SSA Annual Meeting (Invited)

Wu, S.-M., Huang, H.-H., Lin, F.-C., Farrell, J., & Schmandt, B. (2023), Anisotropic melt organization of the Yellowstone magma reservoir depicted by seismic tomography using a dense nodal array, AGU Fall Meeting (Invited)

Wu, S.-M., Huang, H.-H., Lin, F.-C., Farrell, J., & Schmandt, B. (2022), Imaging the Shallow Yellowstone Volcanic System using a Dense Geophone Array, AGU Fall Meeting (Invited)

Manga, M., Reed, M., Munoz-Saez, C., Hajimirza, S., Wu, S.-M., Barth, A., Girona, T., Behesht, M., White, E., Karplus, M., & Hurwitz, S. (2022), The reactivation and monitoring of Steamboat geyser, the tallest geyser on Earth, EGU General Assembly 2022, EGU22-1851, https://doi.org/10.5194/egusphere-egu22-1851.

Wu, S.-M., Lin, F.-C., & Farrell, J. (2021), Imaging the Hydrothermal Plumbing Architecture of Steamboat Geyser Using a Dense Nodal Array and Seismic Interferometry. EGU General Assembly Conference Abstracts, pp. EGU21-3739. (Oral, invited)

Wu, S.-M., Lin, F.-C., & Farrell, J., Keller, W., White, E., & Hungerford, J. (2020), Interferometric-Based Polarization Analysis: Implications of Geyser Architecture and Dynamics at Steamboat Geyser in Yellowstone National Park. AGU Fall Meeting, Abstract S017-08. (Oral)

Lin, F.-C., Wu, S.-M., Farrell, J., Shiro, B., & Karlstrom, L. (2020), High-Resolution Crustal Velocity Response to the 2018 Kīlauea Eruption Using Temporary Dense Geophone Arrays. AGU Fall Meeting, Abstract V006-02. (Oral, Invited)

Reed, M. H., Barth, A., Girona, T., Hajimirza, S., Hurwitz, S., Karlstrom, L., Karplus, M. S. Manga, M., Muñoz-Saez, C., Rashtbehesht, S. H., & Wu, S. M. (2019), Multiparameter Study of Eruptive Behavior at Steamboat Geyser, Yellowstone. AGU Fall Meeting, Abstract V33D-0196. (Poster)

Wu, S.-M., Lin, F.-C., & Farrell, J. (2019), Studying the Deep Plumbing Geometry and Recharge Evolution at Old Faithful and Steamboat Geyser in Yellowstone. AGU Fall Meeting, Abstract V24B-01. (Oral)

Wu, S.-M., Lin, F.-C., Farrell, J., Shiro, B., Karlstrom, L., & Okubo, P. (2019), Temporal Velocity Variations Associated with the 2018 Kilauea Summit Collapse based on Temporary Dense Geophone Arrays. AGU Fall Meeting, Abstract V43C-0203. (Poster)

Pang, G., Wu, S.-M., Koper, K. D., & Euler, G. (2019), Regional Variation of Fine-Scale Structure of Earth’s Inner Core. AGU Fall Meeting, Abstract DI23B-0051. (Poster)

Wu, S.-M., Lin, F.-C., Allam, A., & Farrell, J. (2018), Studying the Recharge Cycle of Old Faithful Geyser with Dense Seismic Arrays. AGU Fall Meeting, Abstract S12A-07. (Oral)

Wu, S.-M., Ward, K. M., Farrell, J., Lin, F.-C., Karplus, M., & Smith, R. B. (2018), Anatomy of Old Faithful from subsurface seismic imaging of the Yellowstone Upper Geyser Basin, Seismology of the Americas Conference. (Poster)

Wu, S.-M., Pang, G., Koper, K., & Euler, G. (2018), A Test of Hemisphericity in the Fine-Scale Structure of Earth’s Inner Core. AGU Fall Meeting, Abstract DI43B-0027. (Poster)

Wu, S.-M., Ward, K. M., Farrell, J., Lin, F.-C., Karplus, M., & Smith, R. B. (2017), Anatomy of Old Faithful from subsurface seismic imaging of the Yellowstone Upper Geyser Basin, AGU Fall Meeting Abstract 248798. (Oral)

Pang, G., Wu, S.-M., Koper, K. D., Mancinelli, N. J. & Euler, G. (2018), Simulations of Pre-critical PKiKP Coda Waves with Implications for Small-Wavelength Heterogeneity in Earth’s Inner Core. AGU Fall Meeting, Abstract DI43B-0026. (Poster)

Wu, S.-M., Lin, F.-C., Farrell, J., & Smith, R. B. (2016), Imaging subsurface hydrothermal structure using a dense geophone array in Yellowstone, AGU Fall Meeting Abstract S13B-2551. (Poster)

Wu, S.-M. and Hung, S.-H. (2015), Correlation of Coseismic Velocity and Static Volumetric Strain Changes Induced by the 2010 Mw6.3 Jiasian Earthquake under the Southern Taiwan Orogenic Belt, AGU Fall Meeting Abstract S41B-2749. (Poster)

Wu, S.-M. and Hung, S.-H. (2014), Coseismic Velocity Reduction Correlated with Volumetric Strain Change Induced by Recent Large Earthquakes in Central Range of Taiwan, AOGS Meeting Abstract SE31-A043. (Poster)

Wu, S.-M. and Hung, S.-H. (2013), The Potential Temporal Variations in Crustal Seismic Velocity Correlated with the 2010 Jiasian Earthquake and Non-Volcanic Tremors in Southern Central Range of Taiwan, AGU Fall Meeting Abstract S43B-2528. (Poster)