VERGNOLLE , Mathilde

In this work we study the current kinematic of Mongolia in the northern part of Asia and the dynamics of the deformation in Mongolia and Asia First we present the 1994-2002 Mongolia-Baikal GPS velocity field ( 50 sites) with respect to Eurasia Velocities show that 15% of the IN/EU convergence is accommodated north of the Tien Shan by N-S...

Le système de distribution Epos-GNSS est une e-infrastructure conçue pour diffuser des données et produits GNSS. Le portail de données Epos-GNSS est le point d'accès central du système à ces données.

International audience

EPOS-GNSS est le volet GNSS (Global Navigation Satellite System) de l'infrastructure de recherche européenne EPOS (European Plate Observing System). Son objectif est d'archiver et disséminer les données et produits GNSS à l'échelle de l'Europe. EPOS-GNSS inclut 14 services parmi lesquels le traitement en double-différence des stations EPOS. Le...

International audience

The relevance of plate tectonics concepts to the description of deformation of large continental areas like Asia is subject to much debate. For some, the deformation of continents is better described by rigid motion of lithospheric blocks with strain concentrated along narrow fault zones. For others, it is better described by viscous flow of a...

Calculations of Coulomb stress changes have shown that moderate to large earthquakes may increase stress at the location of future earthquakes. Coulomb stress transfers have thus been widely accepted to explain earthquake sequences, especially for sequences occurring within parallel or collinear fault systems. Relating, under this framework,...

In this study, we reestimate the source model of the 1997 Mw 7.2 Zirkuh earthquake (northeastern Iran) by jointly optimizing intermediate‐field Interferometry Synthetic Aperture Radar data and near‐field optical correlation data using a two‐step fault modeling procedure. First, we estimate the geometry of the multisegmented Abiz fault using a...

International audience

It is well-established that the post-seismic slip results from the combined contribution of seismic and aseismic processes. However, the partitioning between these two modes of deformation remains unclear due to the difficulty of inferring detailed and robust descriptions of how both evolve in space and time. This is particularly true just...

After large earthquakes, parts of the fault continue to slip for days to months during the afterslip phase, a behaviour documented for many earthquakes. Yet, little is known about the early stage, i.e., from minutes to hours after the mainshock. Its detailed study requires continuous high-rate position time series close to the fault, and...

International audience

After large earthquakes, parts of the fault continue to slip for days to months during the afterslip phase, a behaviour documented for many earthquakes. Yet, little is known about the early stage, i.e., from minutes to hours after the mainshock. Its detailed study requires continuous high-rate position time series close to the fault, and...

Abstract. It is well-established that the post-seismic slip results from the combined contribution of seismic and aseismic processes. However, the partitioning between these two modes of deformation remains unclear due to the difficulty of inferring detailed and robust descriptions of how both evolve in space and time. This is particularly true...