Mathilde Radiguet
YOU?
Author Swipe
View article: Subsurface Lithologic Controls on Off-Fault Deformation and Multi-Fault Slip During the 2016 Mw 6.5 Norcia Earthquake Revealed by Satellite Geodesy
Subsurface Lithologic Controls on Off-Fault Deformation and Multi-Fault Slip During the 2016 Mw 6.5 Norcia Earthquake Revealed by Satellite Geodesy Open
Understanding the mechanisms controlling deformation localization is crucial for our understanding of fault mechanics and improving seismic hazard assessment, but has not been extensively studied for normal-faulting earthquakes. Here, we p…
View article: Viscoelastic Relaxation Following the 2001 <i>M</i> <sub> <i>w</i> </sub> 8.4 Arequipa Earthquake and Its Impact on the Interseismic Coupling of the South Peru Megathrust
Viscoelastic Relaxation Following the 2001 <i>M</i> <sub> <i>w</i> </sub> 8.4 Arequipa Earthquake and Its Impact on the Interseismic Coupling of the South Peru Megathrust Open
Postseismic displacements associated with the 2001 M w 8.4 Arequipa earthquake have been observed on a continuous GNSS timeseries in Arequipa for over two decades (∼30 cm on horizontal components). Using Finite Element Method (FEM), we exp…
View article: Slip Modes Along a Structurally‐Driven Earthquake Barrier in Chile
Slip Modes Along a Structurally‐Driven Earthquake Barrier in Chile Open
Oceanic ridges often collocate with seismic barriers and episodic aseismic slip. However, how subducted seafloor topography drives interactions between slow and fast slip remains unclear. Here, using GNSS, InSAR and seismicity, we show int…
View article: Seismic Swarms Unveil the Mechanisms Driving Shallow Slow Slip Dynamics in the Copiapó Ridge, Northern Chile
Seismic Swarms Unveil the Mechanisms Driving Shallow Slow Slip Dynamics in the Copiapó Ridge, Northern Chile Open
Like earthquakes, slow slip events release elastic energy stored on faults. Yet, the mechanisms behind slow slip instability and its relationship with seismicity are debated. Here, we use a seismo‐geodetic deployment to document a shallow …
View article: Quantifying interseismic deformation along the Mexican subduction zone from Sentinel-1 InSAR time series
Quantifying interseismic deformation along the Mexican subduction zone from Sentinel-1 InSAR time series Open
Understanding how stresses accumulate and release along subduction zones, the regions hosting the world largest earthquakes, is essential for a better assessment of seismic hazard. Monitoring the surface deformation of the upper plate allo…
View article: &#160;Rheological insights from Illapel postseismic deformation through GNSS and InSAR time series analysis&#160;
 Rheological insights from Illapel postseismic deformation through GNSS and InSAR time series analysis  Open
Understanding the inner structure of the crust and upper mantle is essential to evaluate those mechanisms driving Earth’s dynamics. Usually, surface deformation provides valuable constraints on viscoelastic parameters.  Postseis…
View article: &#160; Loading rate changes following megathrust earthquakes explored with viscoelastic models&#160;
  Loading rate changes following megathrust earthquakes explored with viscoelastic models  Open
Viscoelastic relaxation following large subduction earthquakes is known to last from years to decades , and affect the interseismic loading rate up to hundreds of kilometers in the trench perpendicular direction. Post seismic relaxation al…
View article: Insights on the rheology of the transition zone and its along-dip variation using low-frequency earthquakes clustering&#160;
Insights on the rheology of the transition zone and its along-dip variation using low-frequency earthquakes clustering  Open
Active faults exhibit a broad spectrum of slip modes, primarily governed by depth-dependent pressure and temperature conditions. These transitions manifest as fast earthquake ruptures at shallow, seismogenic depths, gradually evolving into…
View article: Decennial Monitoring of the S&#233;chilienne Landslide with Seismic Noise
Decennial Monitoring of the Séchilienne Landslide with Seismic Noise Open
Landslides are difficult to predict and can therefore be a serious threat to populations and infrastructures. Understanding landslide processes and their precursor parameters is an important challenge for scientists and for public managers…
View article: Slip‐Tremor Interaction at the Very Beginning of Episodic Tremor and Slip in Cascadia
Slip‐Tremor Interaction at the Very Beginning of Episodic Tremor and Slip in Cascadia Open
In Cascadia, the concomitance of slow slip events (SSE) and tremors during Episodic Tremor and Slip (ETS) episodes is well documented. Brittle tremor patches embedded in the ductile matrix deforming aseismically is the most common concept …
View article: Seismic swarms unveil the mechanisms driving shallow slow slip dynamics in the Copiapó ridge, Northern Chile
Seismic swarms unveil the mechanisms driving shallow slow slip dynamics in the Copiapó ridge, Northern Chile Open
Like earthquakes, slow slip events release elastic energy stored on faults. Yet, the mechanisms behind slow slip instability and its relationship with seismicity are debated. Here, we use a seismo-geodetic deployment to document a shallow …
View article: Slip-Tremor Interaction at the Very Beginning of Episodic Tremor and Slip in Cascadia
Slip-Tremor Interaction at the Very Beginning of Episodic Tremor and Slip in Cascadia Open
In Cascadia, the concomitance of slow slip events (SSE) and tremors during Episodic Tremor and Slip (ETS) episodes is well documented. Brittle tremor patches embedded in the ductile background deforming aseismically is the most common sket…
View article: Structural control on aseismic and seismic slip interactions during the 2020 SSE in the Atacama region, Chile.
Structural control on aseismic and seismic slip interactions during the 2020 SSE in the Atacama region, Chile. Open
While subduction earthquakes are widely recognized for releasing seismic slip, aseismic slip can also be hosted on the megathrust by the occurrence of postseismic phase or Slow Slip Events (SSEs). SSEs have been reported along several subd…
View article: Insight on along-dip fault transition zone rheology through LFE clustering&#160;
Insight on along-dip fault transition zone rheology through LFE clustering  Open
Active faults present a wide spectrum of slip behaviors, from fast earthquakes, transient slow slip events to steady creep. Although each fault has its own specificities, the distribution of these behaviors is dictated by the evolution of …
View article: Crustal Deformation Associated with the Seismic Cycle in the Central Andes from InSAR and GNSS Geodetic Time Series
Crustal Deformation Associated with the Seismic Cycle in the Central Andes from InSAR and GNSS Geodetic Time Series Open
The Central Andes subduction has been the theater of numerous large earthquakes since the beginning of the 21th Century, notably the 2001 Mw8.4 Arequipa, 2007 Mw8.0 Pisco, and 2014 Mw8.1 Iquique earthquakes. A better knowledge of the inter…
View article: Heterogeneous Locking and Earthquake Potential on the South Peru Megathrust From Dense GNSS Network
Heterogeneous Locking and Earthquake Potential on the South Peru Megathrust From Dense GNSS Network Open
The Central Andes subduction has been the theater of numerous large earthquakes since the beginning of the 21st Century, notably the 2001 M w = 8.4 Arequipa, 2007 M w = 8.0 Pisco and 2014 M w = 8.1 Iquique earthquakes. We present an analys…
View article: Change of deep subduction seismicity after a large megathrust earthquake
Change of deep subduction seismicity after a large megathrust earthquake Open
Subduction zones are home to the world’s largest and deepest earthquakes. Recently, large-scale interactions between shallow (0-60 km) and intermediate (80-150 km) seismicity have been evidenced during the interseismic period but also befo…
View article: Largest Aftershock Nucleation Driven by Afterslip During the 2014 Iquique Sequence
Largest Aftershock Nucleation Driven by Afterslip During the 2014 Iquique Sequence Open
Various earthquake models predict that aseismic slip modulates the seismic rupture process but actual observations of such seismic‐aseismic interaction are scarce. We analyze seismic and aseismic processes during the 2014 Iquique earthquak…
View article: Dataset for the paper "Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence"
Dataset for the paper "Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence" Open
Dataset for the following paper Yuji Itoh, Anne Socquet, and Mathilde Radiguet, Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence, Geophysical Research Letters, 2023GL104852 See readme.txt files for details…
View article: Dataset for the paper "Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence"
Dataset for the paper "Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence" Open
Dataset for the following paper Yuji Itoh, Anne Socquet, and Mathilde Radiguet, Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence, Geophysical Research Letters, 2023GL104852 See readme.txt files for details…
View article: Multi-station deep learning on geodetic time series detects slow slip events in Cascadia
Multi-station deep learning on geodetic time series detects slow slip events in Cascadia Open
Slow slip events (SSEs) originate from a slow slippage on faults that lasts from a few days to years. A systematic and complete mapping of SSEs is key to characterizing the slip spectrum and understanding its link with coeval seismological…
View article: Subdaily Slow Fault Slip Dynamics Captured by Low‐Frequency Earthquakes
Subdaily Slow Fault Slip Dynamics Captured by Low‐Frequency Earthquakes Open
Geodetic positioning is the geophysical record of reference for slow slip events, but typical daily solutions limit studies of the evolution of slow slip to its long‐term dynamics. Accompanying seismic low‐frequency earthquakes located pre…
View article: Slow slip detection with deep learning in multi-station raw geodetic time series validated against tremors in Cascadia
Slow slip detection with deep learning in multi-station raw geodetic time series validated against tremors in Cascadia Open
Slow slip events (SSEs) originate from a slow slippage on faults that lasts from a few days to years. A systematic and complete mapping of SSEs is key to characterizing the slip spectrum and understanding its link with coeval seismological…
View article: Seismic Source Characterization From GNSS Data Using Deep Learning
Seismic Source Characterization From GNSS Data Using Deep Learning Open
The detection of deformation in Global Navigation Satellite System (GNSS) time series associated with (a)seismic events down to a low magnitude is still a challenging issue. The presence of a considerable amount of noise in the data makes …
View article: Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence
Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence Open
Various earthquake models predict that aseismic slip modulates the seismic rupture process but actual observations of such seismic-aseismic interaction are scarce. We analyze seismic and aseismic processes during the 2014 Iquique earthquak…
View article: The OMIV service: acquiring and sharing long-period instrumental time series for documenting landslide activity
The OMIV service: acquiring and sharing long-period instrumental time series for documenting landslide activity Open
Documenting landslide activity over long periods and monitoring standards (sensors, acquisition rates, quality-control) is critical for understanding the landslide forcing factors, develop process-based models, identify the effect of clima…
View article: Detection and characterization of slow deformation from GNSS data by deep learning in the Cascadia subduction zone
Detection and characterization of slow deformation from GNSS data by deep learning in the Cascadia subduction zone Open
The stress that accumulates on faults due to tectonic plate motion can be released seismically and aseismically. The seismic release of stress takes place during earthquakes at short time scales (seconds to minutes), and can be identified …