Results 201 to 210 of about 10,493 (257)
Oceanic upper crustal accretion by melt sill and lava flow interaction at Axial volcano. [PDF]
Nat CommunWu H +6 more
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One-second-lead earthquake warning and impact assessment at Campi Flegrei. [PDF]
Sci RepLongobardi V, Colombelli S, Zollo A.
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Shaking table tests and analysis of the seismic behavior of external steel frames with viscoelastic nodal dampers. [PDF]
Sci RepShen J, Nie Q, Jia S.
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Seismic waves and seismic barriers
Acoustical Physics, 2011The basic idea of seismic barrier is to protect an area occupied by a building or a group of buildings from seismic waves. Depending on nature of seismic waves that are most probable in a specific region, different kinds of seismic barriers are suggested.
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Multiple scattering of seismic waves
Ultrasonics, 2002We present theory and numerical simulations to model seismic wave propagation in the Earth crust. We compare them to observations made in Mexico.
N, Trégourès +6 more
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1956
When an earthquake occurs, energy, which may reach the order of 1025 ergs in the greatest earthquakes is released, within a few seconds or less, from a focal region inside the Earth whose linear dimensions may be of the order of several kilometres. The (somewhat indefinite) centre of the focal region is called the focus.
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When an earthquake occurs, energy, which may reach the order of 1025 ergs in the greatest earthquakes is released, within a few seconds or less, from a focal region inside the Earth whose linear dimensions may be of the order of several kilometres. The (somewhat indefinite) centre of the focal region is called the focus.
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Seismic wave modeling for seismic imaging
The Leading Edge, 2009Many scientific applications require accurate modeling of seismic wave propagation in complex media. These objectives can include fundamental understanding of seismic wave propagation of the Earth on a global scale, including fluid envelopes, mitigation of seismic risk with better quantitative estimates of seismic hazard, and improved exploitation of ...
Virieux, J. +7 more
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Analysis of a Polarized Seismic Wave Model
IEEE Seventh SP Workshop on Statistical Signal and Array Processing, 1996We present a model for polarized seismic waves where the data are collected by three-component geophone receivers. The model is based on two parameters describing the polarization properties of the waveforms. These parameters are the ellipticity and the orientation angle of the polarization ellipse.
Sören Anderson, Arye Nehorai
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Electron microscopy of seismic waves
Journal of MicroscopyAbstractChanges in the surrounding environment, if transmitted to the electron microscope, are frequently perceived as noise that diminishes the quality of the images. However, in fact, ‘noises’ contain rich information about the environment. This work reports a very rare event where aberration‐corrected HAADF‐STEM images were acquired during the ...
Shaoqing, Chen +2 more
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Seismic Shear Waves in Engineering
Journal of the Geotechnical Engineering Division, 1974Measurements of seismic shear wave velocity and absorption coefficient can find use in soil and rock mechanics, foundation studies, structures, slope stability analysis, and the determination of dynamic elastic moduli. Shear waves in engineering studies must be separated from compressional, Rayleigh, and Love wave arrivals.
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