A5075621503- earthquake and tectonic studies
- Geological and Geochemical Analysis
- Geology and Paleoclimatology Research
- Landslides and related hazards
- Geological formations and processes
- Geological Modeling and Analysis
- Seismic Imaging and Inversion Techniques
- Geological and Geophysical Studies Worldwide
- Geophysics and Gravity Measurements
- Seismology and Earthquake Studies
- Earthquake Detection and Analysis
- Seismic Waves and Analysis
- Computational Physics and Python Applications
- High-pressure geophysics and materials
- Ancient and Medieval Archaeology Studies
- Geomagnetism and Paleomagnetism Studies
- Geophysical and Geoelectrical Methods
- Coastal wetland ecosystem dynamics
- Soil and Unsaturated Flow
- Marine and environmental studies
- Archaeology and ancient environmental studies
- Hydrology and Watershed Management Studies
- Geological Studies and Exploration
- Remote Sensing and LiDAR Applications
- Meteorological Phenomena and Simulations
Royal Observatory of Belgium
2001-2020
KU Leuven
2019
A comprehensive hydrogeological investigation regarding the influence of variations in local and regional water mass on superconducting gravity measurements is presented for observations taken near geodynamic station Membach, Belgium. Applying a storage model, contribution due to elastic deformation Earth was derived. In addition, Newtonian effect induced by calculated, using soil moisture at ground surface (about 48 m above gravimeters). The computation gravimetric based digital elevation...
Abstract The Lower Rhine Graben (LRG) straddling the border zone of Belgium, Netherlands, and Germany, is an active tectonic structure in continental northwest Europe. It characterized by northwest–southeast oriented normal faults, moderate but rather continuous seismic activity. Many faults have been mapped LRG, so far a model fault hierarchy or segmentation has lacking. In frame European database seismogenic sources, we devised seismic‐source for LRG consisting so‐called composite sources....
In a detailed site survey for paleoseismic trenching, we applied shallow geophysical prospecting techniques, including ground-penetrating radar (GPR), electric resistivity tomography (ERT), and mapping to identify, locate, visualize in 3D the Geleen fault, an active normal fault bordering Roer Valley graben northeast Belgium. Because of low slip rate, geomorphic expression this is very faint relatively young deposits Maas River valley. ERT profiles show as broad, near-vertical anomaly...
On 1580 April 6 one of the most destructive earthquakes northwestern Europe took place in Dover Strait (Pas de Calais). The epicentre this seismic event, magnitude which is estimated to have been about 6.0, has located offshore continuation North Artois shear zone, a major Variscan tectonic structure that traverses Strait. location and two other moderate historical suggests zone or some its fault segments may be presently active. In order investigate possible activity epicentral area AD...
Abstract A first trench has been excavated for paleoseismological analysis in the German part of Roer Valley graben, which experienced several historical earthquakes with a maximum intensity up to VIII on MSK-scale.The exposed Rurrand fault as complex zone at least five separate, SW-dipping, normal strands displacing an early Pleistocene terrace Rhine river by more than 7 m. The major observed deformation was produced during or after deposition overlying unit stratified loess middle...
Abstract On the basis of a multidisciplinary approach we have unraveled palaeo-earthquake history trenched section across Peel Boundary Fault. The area shows at present one largest contrasts in relative motion on both sides fault repeated levelling. geological record for last 25 thousand years, recovered trench, evidence two heavy earthquakes (moment magnitude between 6.0 and 6.6), that occurred relatively short timespan around 15 thousands years ago. A third less severe event somewhere mid...
Seventy‐five years after the destructive Chirpan earthquake of 14 April 1928, we conducted a paleoseismologic study causative fault combining review contemporary literature, geomorphology, geophysical prospecting, and trenching. We reidentified scarp in field, mapped it over distance 12.5 km. Geophysical profiles boreholes demonstrate that is surface expression normal was active throughout Pleistocene Holocene. In 2002, excavated trench to faulting history. A narrow zone separates...
The North Anatolian Fault is a ca. 1200-km-long, right-lateral, strike-slip fault that forms the northern boundary of plate. A damaging sequence earthquakes ruptured almost entire in twentieth century. This study adds to growing number paleoseismic investigations 350-km-long 1939 Erzincan earthquake-rupture segment, which towards eastern end Turkey. Using three trenches located along 2 km principal strand, this determines timing five prior earthquake. first these are correlated historical...
Abstract The coversands along the Bree fault escarpment, NE Belgium, were investigated by a combined dating approach including infrared optically stimulated luminescence (IRSL), thermoluminescence (TL) and radiocarbon methods. Four trenches excavated cutting scarp near village of in northeast Belgium. Altogether 17 samples seven order to set up more reliable precise chronological frame for local coversand stratigraphy timing Late Quaternary earthquake events. results indicate at least five...
Abstract We studied the applicability of classical scarp degradation modelling to active normal faults in Lower Rhine Embayment. Our quantitative analysis was conducted on frontal Bree fault (Feldbiss fault) Belgium and Peel near city Neer Netherlands. Vertical offset diffusion age these scarps have been modelled from elevation profiles across using equation. For that purpose, a computer-program (profil 2000) has written, providing sensitivity determined parameters function spatial...