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A comparative study of coda–Q values estimations from synthetic and digital seismograms
The main purposes of this research work are to estimate the coda– Q values using linear (log–log) and nonlinear (Gauss–Newton) regression techniques...
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GA-BPNN Prediction Model of Broadband Ground Motion Parameters in Tian** Area Driven by Synthetic Database Based on Hybrid Simulated Method
This paper focuses on building a ground motion model (GMM) using artificial neural network technique driven by a synthetically generated database in...
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Determination and Identification of Focal Mechanism Solutions for the 2016 Kumamoto Earthquake from Waveform Inversion Using ISOLA Software
On April 14, 2016, at 21:26 (JST), a shallow earthquake of magnitude MJMA 6.5 occurred at Kumamoto prefecture in Kyushu region, Japan. It was one of...
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Empirical Green’s function analysis of some induced earthquake pairs from the Groningen gas field
We have applied the empirical Green’s function (EGF) method to 53 pairs of earthquakes, with magnitudes ranging from M = 0.4 to M = 3.4, induced by...
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DigitSeis: software to extract time series from analogue seismograms
A vast amount of analogue seismograms recorded between the end of the nineteenth century and late twentieth century are often inaccessible for...
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Automatic Removal of Low Frequency Noise from Seismograms Using the Fingerprinting Method: Algorithms, Properties, Limitations
AbstractThis paper describes a new method for automatic preparation of a noisy seismic record for further analysis using expert information systems....
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A new approach to describe the depositional architecture of interbedded thin coal seams using a proportional thickness model database
Complex interference complicates the description and interpretation of the depositional architecture of seismically thin-interbedded reservoirs. We...
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Reservoir characterization analysis in glacial reservoirs
This research aims to characterize reservoir properties by applying rock physics and AVO analysis followed by pre-stack inversion. Two approaches are...
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Rupturing of small natural earthquakes in West Bohemia investigated by source scanning
The source scanning method allows for not only the automated determination of the earthquake locations but also the study of the earthquake source...
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Integrated Technique on Static and Dynamic Properties Estimation: An Application of Probabilistic Neural Network and Seismic Inversion
This research work used well logs and 3D seismic volume to extract the dynamic and static properties. First, the analyzed reservoir was identified...
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Robust spectral inversion based on the stability factor
Reflectivity inversion is a critical step to joint reservoir parameters and seismic data. The sparse spike deconvolution is a widely used...
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Seismic decomposition method using Ricker wavelet dictionary and its applications for Q-value estimation
Seismic records are composed of many seismic wavelets that are reflected from underground impedance interfaces. Q -value information of the formations...
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The Effects of Layer-Induced Elastic Anisotropy on Microseismic Monitoring Records in Underground Coal Mines
Real-time microseismic observations are extensively used in underground hard rock mines. However, microseismic monitoring in coal mines is not...
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Reassessing the rupture process of the 2003 Boumerdes-Zemmouri earthquake (Mw 6.8, northern Algeria) using teleseismic, strong motion, InSAR, GPS, and coastal uplift data
In this work, we determined the coseismic slip distribution of the Boumerdes-Zemmouri earthquake (Mw 6.8, 2003) by inverting a most comprehensive set...
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A Comparative Study of Viscoelastic Rheological Models Using Finite-Difference Method and an Evaluation of the Seismic Attenuation in the Búzios Field Data
Viscoelastic seismic modeling is essential to incorporate intrinsic attenuation effects in the wave propagation. Attenuation and dispersion can be...
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Rupture parameter sensitivity of low frequency ground motion response spectra using synthetic scenarios in North Chile
This research performs a sensitivity analysis of response spectrum values for various physical earthquake parameters, which are used to generate...
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Numerical Modelling and Optimization of the Second-Order Strain Gradient Wave Equation
In the conventional continuum mechanics theory, the strain energy density function at the point of the medium material only depends on the classical...