نتایج جستجو برای: rupture directivity
تعداد نتایج: 43457 فیلتر نتایج به سال:
CyberShake, as part of the Southern California Earthquake Center’s (SCEC) Community Modeling Environment, is developing a methodology that explicitly incorporates deterministic source and wave propagation effects within seismic hazard calculations through the use of physics-based 3D ground motion simulations. To calculate a waveform-based seismic hazard estimate for a site of interest, we begin...
The spectra of earthquake waveforms can provide important insight into rupture processes, but the analysis and interpretation these is rarely straightforward. Here we develop a Bayesian framework that embraces inherent data modeling uncertainties spectral to infer key source properties. method uses ratio approach correct observed S-wave nearby earthquakes for path site attenuation. objective th...
Computer simulation of the strong ground motion generated from the earthquake•rupture process on a shallow strike-slip fault are carried out by using a 3-D finite difference method. The faulting process is modeled using a dynamic crack model with fixed rupture velocity or with finite-stress-fracture criterion. The near-source ground motion is sensitive to the details of sliprate or slip-acceler...
Abstract Moderate-to-large earthquakes (M>6) frequently show clear rupture directivity. Recent studies revealed that a substantial percentage of small-sized (M<∼5) display directivity as well, owing to enhanced seismic monitoring. Is common feature for all sizes? In this study, we investigated the 27 August 2021 ML 2.2 Gwangyang microearthquake occurred at southern tip Korean Peni...
Detailed analyses of teleseismic surface waves and body waves from the Guatemala e rthquake of February 4, 1976, show the following: (1) Left lateral displacement along a vertical fault with a strike varying from N66øE to N98øE is consistent with the teleseismic data. (2) The seismic moment was 2.6 X 102? dyn cm. The directivity ofthe surface wave radiation i dicates an asymmetric (1:2.3) bilat...
Pipa is one of the most important Chinese traditional plucked instruments, but its directivity has never been measured systematically. In western, directivity of loudness for western instruments is deeply researched through analysis of sound pressure level, whereas the directivity of timbre is seldom studied. In this paper, a new method for directivity of timbre was proposed, and horizontal dir...
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