Hi! I am a seismologist and geophysicist, and in my research, I use spatio-temporal patterns and source properties of microseismicity to understand how fluids flow, trickle, or gush in faults and volcanic systems.
I am working as a postdoc in the Seismology Laboratory of UC Santa Cruz, working with Emily Brodsky on the patterns of seismicity of classical and low-frequency earthquakes on the San Andreas fault and beyond.
I recently defended my PhD thesis at the Institut de physique du globe de Paris, under the supervision of Claude Jaupart and Nikolai Shapiro.
Research and project interests
- The architecture, dynamics and evolution of fluid circulation pathways in faults, volcanoes and glaciers
- Seismic/accoustic signals as ways to understand minute geophysical processes
- Numerical and experimental modeling to study all geophysical and planetary processes!
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📬 News
📅 28 November 2023 : Our paper on how to interpret the segmentation of tremor intermittence in subduction zones is out in JGR Solid Earth! (open research version).
📅 17 October 2023 : Invited to talk in the Berkeley Seismology Lab seminar series
📅 27 September 2023 : Invited to talk in the Geophysics seminar in LDEO (Columbia University, NY)
📅 12-15 September 2023 : Presented a poster in the Slow-to-Fast earthquakes international workshop, in Tokyo (Japan)
📅 1 March 2023 : Started working in the Seismo group in UCSC
📅 7 September 2022 : I defended my PhD thesis! A recording of the defense can be found here.
📅 7 July 2022 : Finished writing my PhD thesis, you can find the manuscript here.
📅 2 February 2022 : Our paper on seismic tremor under Kamtchatka volcanoes is out in Science Advances!
more
The fast, trans-crustal migrations of tremor detected by Cyril Journeau are evidence for how pressure travels through a 40-km-deep magmatic system, under the largest cluster of volcanoes in the world. Checkout the paper and animated catalog to see for yourself!
📅 8 December 2021 : I presented my work at MIT Earth Resources Laboratory’s
seminar, and it was recorded!
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I talked about my PhD work on intermittent fluid transport in faults, and how its spatio-temporal patterns lead us to think that it could shape swarm-like seismic activity in faults. The recording can be found here, with subtitles.
📅 21 September 2021 : My first PhD paper is out!
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We model the unsteady flow of fluid in permeable faults with elementary permeability valves distributed in a channel. As valves break open and heal in response to local pressure conditions, they produce bursts and migration of activity, similar to tremor observations in subduction zones. Read the paper to lean more, or checkout my EGU21 presentation, for a shorter walkthrough!
📅 29 July 2021 : Our paper on spatialized sonifications of seismic phenomena is out!
Older
📅 19-30 April 2021 : I will present my PhD work at vEGU21, you can see my presentation here!
📅 1-17 December 2020 : virtual poster at AGU Fall meeting 2020. See abstract here.
📅 24 June 2020 : My first paper is out!
more
In there, we characterize the source properties of low-frequency earthquakes detected in Guerrero, Mexico. We find that, although their moment magnitude varies on orders of magnitude, their duration seems to be independent of it, displaying a characteristic scale. This could hint at a source process different from a classical earthquake rupture.