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We investigate deformation of the Earth's crust due to earthquakes and volcanoes.
Measuring deformation that occurs between earthquakes constrains how much elastic strain accumulates in the crust and helps constrain future earthquake hazard. Similarly, accumulation of magma in crustal reservoirs causes the earth's surface to swell, critical information for forecasting eruptions. In both volcanic and tectonic environments we combine measurements with physics-based models of the relevant processes to better understand these systems.
Recent Publications
- Blackstone, L., Grossman-Ponemon, B., Heimisson, E., Lew, A., & Segall, P. (2024). Modeling dike trajectories in a biaxial stress field with coupled magma flow, fracture, and elasticity. Bulletin of Volcanology, 86(52). https://doi.org/10.1007/s00445-024-01734-8
- Segall, P., Matthews, M., Shelly, D. ., Wang, T., & Anderson, K. (2024). Stress-driven recurrence and precursory moment-rate surge in caldera collapse earthquakes. Nature Geoscience, 17, 264–269. https://doi.org/10.1038/s41561-023-01372-3
- Crozier, J., Karlstrom, L., Montgomery-Brown, E., Angarita, M., Cayol, V., Bato, M., Wang, T., Grapenthin, R., Shreve, T., Anderson, K., Astort, A., Bodart, O., Cannavò, F., Currenti, G., Dabaghi, F., Erickson, B., Garg, D., Head, M., Iozzia, A., Kim, Y., Le Mével, H., Lizama, C., Rucker, C., Silverii, F., Trasatti, E., & Zhan, Y. (2023). Understanding the drivers of volcano deformation through geodetic model verification and validation. Bulletin of Volcanology, 85, 74. https://doi.org/10.1007/s00445-023-01687-4