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Hi! I'm Stacy (she/her).

​I am an NSERC doctoral fellow and PhD candidate in geophysics at Caltech in Jean-Philippe Avouac and Nadia Lapusta’s groups. I study mechanical interactions between the solid Earth and the hydrosphere through geodesy, numerical modeling and data analysis.

Many geophysical problems of societal importance involve mechanical interactions between the solid Earth and its hydrosphere: Intensive groundwater pumping leads to hazardous ground deformation and permanent loss of groundwater storage capacity; water deep in the Earth’s crust is thought to play a key role in the physics of earthquakes; and geological materials at the base of glaciers provide resistance against their increasingly rapid flow. My research revolves around probing these mechanically coupled systems, through observations and modeling, to further our understanding of both Earth’s fluid envelope and its geological interior.  
 
As part of my PhD, I had the chance to work on two distinct but related projects on this theme. With Jean-Philippe Avouac, Kristel Chanard and others, we are developing methodologies to extract hydrology-induced deformation of the solid Earth from geodetic datasets. We use these deformation signals to constrain Earth’s mechanical properties and track fluctuations in groundwater and terrestrial water storage. With Nadia Lapusta, Jean-Paul Ampuero and others, we are investigating fault slip due to water injections into the Earth’s crust. We are modeling relevant lab and field experiments to identify the conditions that lead to earthquake nucleation versus slow stable slip, and hence gain insight into the physics of natural earthquakes.

In August 2022, I will be starting a postdoctoral position at Columbia University's Lamont-Doherty Earth Observatory where I will be investigating mechanical interactions between ice, water and the solid Earth. 

Email: stacy.larochelle@caltech.edu   |   Twitter: @StacyLarocheIIe   |   Google Scholar   |   CV