A5041947570- earthquake and tectonic studies
- Seismic Imaging and Inversion Techniques
- High-pressure geophysics and materials
- Seismic Waves and Analysis
- Geophysics and Gravity Measurements
- Seismology and Earthquake Studies
- Earthquake Detection and Analysis
- Geophysics and Sensor Technology
- Geological and Geochemical Analysis
- Seismic Performance and Analysis
- Hydraulic Fracturing and Reservoir Analysis
- Geological Formations and Processes Exploration
- Reservoir Engineering and Simulation Methods
- Differential Equations and Numerical Methods
- Geological and Geophysical Studies Worldwide
- Archaeology and Natural History
- Geotechnical and Geomechanical Engineering
- Magnetic confinement fusion research
- Landslides and related hazards
- Advanced Measurement and Metrology Techniques
- Botany, Ecology, and Taxonomy Studies
- Geological Modeling and Analysis
- Traffic Prediction and Management Techniques
- Geology and Paleoclimatology Research
- Methane Hydrates and Related Phenomena
Charles University
2007-2022
Czech Academy of Sciences, Institute of Geophysics
1969-1991
Trinity College Dublin
1982
Earth Science Institute of the Slovak Academy of Sciences
1966
Moment tensors (MTs) of weak events are often calculated by a single agency (network), thus lacking independent validation. This article investigates how to increase reliability the single-agency solutions through various multiple checks. It deals with inversion complete waveforms for six representative (Mw 3.4-4.6) in range 0.08-0.15 Hz. Several three-station sets at near-regional distances (8-103 km) used. The MTs repeatedly two locations: from regional and local network. source depth is...
ABSTRACT Using a set of synthetic P‐ and S‐wave onsets, computed in 1D medium model from sources that mimic distribution microseismic events induced by hydrofrac treatment to monitoring geophone array(s), we test the possibility invert back jointly location. We use Neighbourhood algorithm for data inversion account non‐linear effects velocity grid search event The used is composed homogeneous layers, derived sonic logging. Results case one two wells are compared. These results show can be...
Abstract Earthquake faulting at ~600 km depth remains puzzling. Here we present a new kinematic interpretation of two Mw7.6 earthquakes November 24, 2015. In contrast to teleseismic analysis this doublet, use regional seismic data providing robust two-point source models, further validated by back-projection and rupture-stop analysis. The doublet represents segmented rupture ∼30-year gap in narrow, deep fault zone, fully consistent with the stress field derived from neighbouring 1976–2015...
Abstract On 23 October 2011 an M w 7.1 earthquake occurred in eastern Turkey, close to the towns of Van and Ercis, causing more than 600 casualties widespread structural damage. The ruptured a 60–70 km long northeast–southwest fault with thrust mechanism, agreement regional tectonic stress regime. We studied process event recorded ground motions using different sets data. Regional records (0.005–0.010 Hz) are used constrain centroid moment tensor solution. Near‐regional data, 100–200 km...
Abstract Jaromir Jansky, Vladimir Plicka and Leo Eisner model the feasibility potential advantages for hydraulic fracture mapping of using both surface downhole microseismic data.