M. Chlieh
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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: Relation Between Interplate Locking and Microseismicity in the southern Peru subduction&#160;
Relation Between Interplate Locking and Microseismicity in the southern Peru subduction  Open
We present preliminary results of the analysis of the interseismic coupling at the southern Peru subduction zone, with special focus on the Nazca Ridge and the Nazca fracture zone. This study is based on the analysis of GPS data from over …
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: Seismic and Aseismic Cycle of the Ecuador–Colombia Subduction Zone
Seismic and Aseismic Cycle of the Ecuador–Colombia Subduction Zone Open
The Colombia–Ecuador subduction zone is an exceptional natural laboratory to study the seismic cycle associated with large and great subduction earthquakes. Since the great 1906 Mw = 8.6 Colombia–Ecuador earthquake, four large Mw > 7.5 …
View article: Rapid response to the Mw 4.9 earthquake of November 11, 2019 in Le Teil, Lower Rhône Valley, France
Rapid response to the Mw 4.9 earthquake of November 11, 2019 in Le Teil, Lower Rhône Valley, France Open
On November 11, 2019, a Mw 4.9 earthquake hit the region close to Montelimar (lower Rhône Valley, France), on the eastern margin of the Massif Central close to the external part of the Alps. Occuring in a moderate seismicity area, this ear…
View article: Subducted oceanic relief locks the shallow megathrust in central Ecuador
Subducted oceanic relief locks the shallow megathrust in central Ecuador Open
Whether subducted oceanic reliefs such as seamounts promote seismic rupture or aseismic slip remains controversial. Here we use swath bathymetry, prestack depth‐migrated multichannel seismic reflection lines, and wide‐angle seismic data co…
View article: From the seismic cycle to long-term deformation: linking seismic coupling and Quaternary coastal geomorphology along the Andean megathrust
From the seismic cycle to long-term deformation: linking seismic coupling and Quaternary coastal geomorphology along the Andean megathrust Open
Measurement of interseismic strain along subduction zones reveals the location of both locked asperities, which might rupture during Megathrust earthquakes, and creeping zones, which tend to arrest such seismic ruptures. The heterogeneous …
View article: Coseismic slip and afterslip of the 2015 <i>M<sub>w</sub></i> 8.3 Illapel (Chile) earthquake determined from continuous GPS data
Coseismic slip and afterslip of the 2015 <i>M<sub>w</sub></i> 8.3 Illapel (Chile) earthquake determined from continuous GPS data Open
We analyzed the coseismic and early postseismic deformation of the 2015, M w 8.3 Illapel earthquake by inverting 13 continuous GPS time series. The seismic rupture concentrated in a shallow (<20 km depth) and 100 km long asperity, which sl…
View article: Active tectonics of Peru: Heterogeneous interseismic coupling along the Nazca megathrust, rigid motion of the Peruvian Sliver, and Subandean shortening accommodation
Active tectonics of Peru: Heterogeneous interseismic coupling along the Nazca megathrust, rigid motion of the Peruvian Sliver, and Subandean shortening accommodation Open
Over 100 GPS sites measured in 2008–2013 in Peru provide new insights into the present‐day crustal deformation of the 2200 km long Peruvian margin. This margin is squeezed between the eastward subduction of the oceanic Nazca Plate at the S…
View article: Postseismic relocking of the subduction megathrust following the 2007 Pisco, Peru, earthquake
Postseismic relocking of the subduction megathrust following the 2007 Pisco, Peru, earthquake Open
Characterizing the time evolution of slip over different phases of the seismic cycle is crucial to a better understanding of the factors controlling the occurrence of large earthquakes. In this study, we take advantage of interferometric s…