A5051346903- earthquake and tectonic studies
- Geological and Geochemical Analysis
- Geology and Paleoclimatology Research
- Earthquake Detection and Analysis
- Landslides and related hazards
- Seismology and Earthquake Studies
- Methane Hydrates and Related Phenomena
- Geological Studies and Exploration
- High-pressure geophysics and materials
- Geological formations and processes
- Geochemistry and Geologic Mapping
- Geotechnical and Geomechanical Engineering
- Geological and Geophysical Studies Worldwide
- Hydrocarbon exploration and reservoir analysis
- Seismic Waves and Analysis
- Geological Formations and Processes Exploration
- Geological Modeling and Analysis
- Marine and environmental studies
- Tree-ring climate responses
- Radiation Detection and Scintillator Technologies
- 3D Surveying and Cultural Heritage
- Nuclear Physics and Applications
- Radioactivity and Radon Measurements
- Karst Systems and Hydrogeology
- Educational Tools and Methods
Centre de Recherche et d’Enseignement de Géosciences de l’Environnement
2016-2025
Université du Québec à Montréal
2024-2025
Institut de Recherche pour le Développement
2016-2025
Centre National de la Recherche Scientifique
2016-2025
Aix-Marseille Université
2016-2025
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2020-2025
Sustainable Europe Research Institute
2018-2023
Laboratoire Méditerranéen de Préhistoire Europe Afrique
2021
Collège de France
2020
Earth Observatory of Singapore
2014-2019
Abstract The return times of large Himalayan earthquakes are poorly constrained. Despite historical devastation cities along the mountain range, definitive links between events and specific segments Main Frontal Thrust (MFT) not established, paleoseismological records have documented occurrence several similar at same location. In east central Nepal, however, recently discovered primary surface ruptures that megathrust in A.D. 1255 1934 associated with flights tectonically uplifted terraces....
Abstract In 1905, 14 days apart, two M ~ 8 continental strike‐slip earthquakes, the Tsetserleg and Bulnay occurred on fault system, in Mongolia. Together, they ruptured four individual faults, with a total length of ~676 km. Using submetric optical satellite images “Pleiades” ground resolution 0.5 m, complemented by field observation, we mapped detail entire surface rupture associated this earthquake sequence. Surface along main is ~388 km length, striking nearly E‐W. The formed series...
Abstract Located at the northeastern corner of Adria microplate, Alps‐Dinarides junction represents a key region for understanding how microplate interacts with stable Europe. However, little is known on present‐day deformation imposed by rotation absorbed across Dinarides. Using morphotectonic analysis based satellite and aerial images, accurate topographical maps, digital elevation models combined field investigations, we mapped in detail three main active faults Northern Geomorphic...
Iran is an active continental domain accommodating the convergence between Arabia and Eurasia plates. In northwestern Iran, deformation Central Iranian block Caucasus mainly accommodated by right lateral strike-slip on Tabriz fault. Cities villages, including city of Tabriz, have been destroyed several strong historical earthquakes (M ∼ 7). this study, we compare slip-rates estimated from geodetic measurements (radar interferometry GPS) with those determined dating a geomorphological offset...
published or not.The documents may come from teaching and research institutions in France abroad, public private centers.L'archive ouverte pluridisciplinaire
Abstract The 11 July 1889 Chilik earthquake ( M w 8.0–8.3) forms part of a remarkable sequence large earthquakes in the late nineteenth and early twentieth centuries northern Tien Shan. Despite its importance, source remains unknown, though macroseismic epicenter is sited valley, ~100 km southeast Almaty, Kazakhstan (~2 million population). Several short fault segments that have been inferred to ruptured are too on their own account for estimated magnitude. In this paper we perform detailed...
Abstract. Quartz Optically Stimulated Luminescence (OSL) and Electron Spin Resonance (ESR) offer valuable quantitative tools both for Quaternary sediment dating but also understanding provenance dynamics. However, the variability of quartz sensitivity remains an issue, attributed either to intrinsic properties source bedrock, processes during transport deposition, or both. This study addresses these questions by investigating from magmatic, metamorphic, sedimentary formations in Strengbach...
In the central Tien Shan, Karatau-Talas-Fergana Fault (TFF) is largest intracontinental strike-slip fault, recognized as active during late Holocene and accommodates a portion of deformation resulting from ongoing Indo-Asian collision. However, kinematics role TFF remain poorly understood, with no large earthquakes documented in instrumental or historical catalogs. Notably, region, strongest shaking 20th century occurred November 2, 1946, Chatkal earthquake, but potential epicenter located...
Quartz is one of the most common minerals in Earth’s crust and can be found a large diversity geological environments. Due to its ubiquity resilience towards weathering, it major mineralogical component terrestrial sediments. A good understanding quartz properties thus very useful understand dynamics thereby Earth surface dynamic processes such as erosion, transport deposition.Electron spin resonance (ESR) spectroscopy method which allows characterize paramagnetic centres (unpaired...
We carried out morphotectonic studies along the left-lateral strike-slip Bogd Fault, principal structure involved in Gobi-Altay earthquake of 1957 December 4 (published magnitudes range from 7.8 to 8.3). The Fault is 260 km long and can be subdivided into five main geometric segments, based on variation strike direction. West East these segments are, respectively: Ih (WIB), North (NIB), Baga (WBB) (EBB) segments. Morphological analysis offset streams, ridges alluvial fans—particularly well...
The 856 A.D. Qumis earthquake (M7.9) is the most destructive to have occurred in Iran, killing more than 200,000 people and destroying cities of Damghan old Parthian capital Shahr‐i (Hecatompylos). This study combines evidence historical seismicity with observations geomorphology paleoseismology provide first detailed description active faulting region east Alborz mountains, Iran. Regional left‐lateral shear accommodated on Astaneh, Damghan, North faults. Quaternary alluvial fans been...
Abstract The ~400‐km‐long Talas‐Fergana Fault is one of a series major right‐lateral strike‐slip faults that cross the Tien Shan Range. This fault has been recognized as active in late Holocene and accommodates part deformation induced by ongoing Indo‐Asian collision. kinematics role this are poorly understood with no large earthquakes reported instrumental or historical catalogs, well‐constrained geological slip‐rate estimates. Here we used high‐resolution satellite imagery to present first...
The 1556 CE Huaxian earthquake resulted in an estimated 830,000 deaths and caused widespread devastation the Weihe Basin, China. Seismic intensities from historical accounts yield, via magnitude‐intensity relations, a commonly quoted magnitude of 8¼ to 8½. maximum recorded shaking was confined zone close Huashan Weinan faults, which exhibit fresh scarps up 7–8 m high. Recent palaeoseismic studies have suggested, however, that fault has not ruptured at surface for several thousand years....
Abstract The influence of the morphological setting on denudation carbonate landscapes and respective contributions mechanical chemical weathering processes are still debated. We have addressed these questions by measuring 36 Cl concentrations in 40 samples from Luberon mountain, SE France, to constrain various landscape elements. observe a clear contrast between local rates flat summit surface, clustered around 30 mm/ka, basin‐average across flanks, ranging 100 200 mm/ka. This difference...
Abstract After 24 August and 30 October 2016 central Italy earthquakes (Mw 6.0 6.5, respectively), photogrammetry geodetic survey were performed at various sites along a 6‐km‐long portion of the rupturing Monte Vettore fault system, providing very high‐resolution georeferenced 3‐D point clouds imagery rupture data set bedrock scarp before/after earthquake. The maximum coseismic displacement for both events occurs near Scoglio dell' Aquila with an average normal dip slip 22 ± 4 184 6 cm,...
Abstract The Charnath Khola is a large river crossing the Himalayan thrust system in region devastated by great M8.3 1934 Bihar‐Nepal earthquake. Fluvial terraces are abandoned along and at base of ~20‐m high cumulative escarpment. A trench across fault scarp exposed Siwalik mudstone/siltstone overthrusting Quaternary units three colluvial wedges interfingered with fluvial sands. 85 accelerator mass spectrometry radiocarbon dates, from detrital charcoals sampled trench, cut terraces,...
Abstract The Mw 6.5 Norcia earthquake occurred on 30 October 2016, along the Mt Vettore fault (Central Apennines, Italy), it was largest of 2016–2017 seismic sequence that started 2 months earlier with 6.0 Amatrice (24 August). To detect potential slow slip during sequence, we produced Interferometric Synthetic Aperture Radar (InSAR) time series using 12‐ to 6‐day repeat cycles Sentinel‐1A/1B images. Time indicates centimeter‐scale surface displacements took place 10 weeks following...
Mainland France is part of a plate interior with strong structural heritage, undergoing low rate deformation, where destructive earthquakes can nevertheless occur. In this paper, we emphasize that the knowledge active faults still largely fragmentary, and significant efforts are needed to generate robust data, in particular on numerous faults, lack any study. This aim “Failles ACTives France” (FACT) axis launched framework Transverse Seismicity Action (ATS) Resif-Epos consortium. We present...