Results 71 to 80 of about 10,954,160 (279)

Ground-Motion Variability for Ruptures on Rough Faults

open access: yes
Fault roughness influences earthquake rupture dynamics, seismic energy radiation, and, hence, resulting ground motion and its variability. Using 3D dynamic rupture simulations considering a range of rough-fault realizations, we investigate the effects of
Galis, Martin   +2 more
core   +1 more source

Utility of the APE2 Score as a Diagnostic Tool for Autoimmune Encephalitis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To retrospectively evaluate the diagnostic performance of the Antibody Prevalence in Epilepsy and Encephalopathy (APE2) score relative to clinician‐adjudicated autoimmune encephalitis (AE) and the Graus criteria in a tertiary neuroimmunology referral cohort, including antibody‐negative AE.
Bijoya Basu   +3 more
wiley   +1 more source

Assessing extent of building damage following an earthquake: case study of the 2023 Turkey-Syria doublet

open access: yesnpj Natural Hazards
An earthquake doublet (M w 7.8 and M w 7.5) struck southeastern Turkey on February 6, 2023, causing widespread devastation. To evaluate seismic damage across 11 provinces, we analysed strong motion data, developed fragility functions and building damage ...
Guan Chen   +6 more
doaj   +1 more source

A simplified method for determining the equivalent peak ground acceleration of near-fault pulse-like ground motions

open access: yesGeomatics, Natural Hazards & Risk
Near-fault ground motions (NFGMs) differ significantly from far-field ground motions (FFGMs), as NFGMs exhibit pronounced pulse effects and directionality.
Xianqing Cheng   +4 more
doaj   +1 more source

microRNA‐7‐5p and α‐Synuclein SAA Predict Parkinson's Disease Phenoconversion

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Corroborate blood neuron‐derived extracellular vesicle (NDEV) alpha‐synuclein (αSyn), the CSF αSyn seed amplification assay (αSyn‐SAA), and blood microRNA‐7‐5p (miR‐7‐5p) as markers for Parkinson's disease (PD) phenoconversion and determine if combining these markers would help select subjects who would be more likely to phenoconvert.
Shayan Zadegan   +4 more
wiley   +1 more source

Determination of Site amplification in the Campania-Lucania Region (southern Italy) by comparison of different Site-Response Estimation Techniques [PDF]

open access: yes, 2008
We have applied a non-linear inversion technique to estimate both the earthquake source parameters and site response from a set of microearthquake records acquired by a dense seismic network, in order to provide a simple uniform site classification for ...
Cantore, Luciana
core   +1 more source

Bidirectional seismic response of assembled monolithic subway station-aboveground structure system under artificial bedrock ground motions

open access: yesUnderground Space
Assembled monolithic subway station partly synthesizes the advantages of cast-in-place and precast subway stations. However, the related seismic response analysis considering the influences of vertical ground motion and aboveground structure is still ...
Yu Miao, Han-Wen Ji, Yang Shi
doaj   +1 more source

Near-Field Earthquake Directivity Effects: Application to Seismic Evaluation of Bridges

open access: yes, 2021
Directivity is observed in the near-field regime, where there are a few strong-motion records. Depending on the pulse period of directivity, pulse-like ground motion caused by directivity can cause severe damage to structures.
S. K. Karthik Reddy Konala (19129495)
core   +1 more source

Near-field ground motion during earthquake preparation process

open access: yesJournal of Earth System Science, 1997
Wave number discretization method is applied to study the near-field of seismic sources embedded in a cracked elastic solid. Near-field solutions are obtained for horizontal and vertical line forces. Effects of modifications in cracks of focal region on ground motion, in the near-field, are studied numerically for different ▪ values of crack ...
openaire   +1 more source

dynoGP: Deep Gaussian Processes for Dynamic System Identification

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This work introduces a novel class of deep models for system identification, dynamical deep Gaussian processes, which combine the strengths of data‐driven methods, such as those based on neural network architectures, with the ability to output a probability distribution for uncertainty representation.
Alessio Benavoli   +3 more
wiley   +1 more source

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