Results 191 to 200 of about 6,199 (209)
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Tectonophysics, 2005
An increasing data set exists on the nature and thickness of the Iceland crust. This paper relates topography, i.e., elevation and bathymetry (TOP), Bouguer gravity anomalies (BA) and Moho depths to each other to assess the consequences of the “thick crust model” for Iceland in the context of the North Atlantic.
Tanya Fedorova +2 more
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An increasing data set exists on the nature and thickness of the Iceland crust. This paper relates topography, i.e., elevation and bathymetry (TOP), Bouguer gravity anomalies (BA) and Moho depths to each other to assess the consequences of the “thick crust model” for Iceland in the context of the North Atlantic.
Tanya Fedorova +2 more
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Crustal velocity and Moho topography in central New Hampshire
Journal of Geophysical Research: Solid Earth, 1991The White Mountain Batholith in central New Hampshire is a major plutonic, topographic and gravimetric feature, superimposed on the NE‐SW trending regional pattern of accreted terranes in northeastern North America. Compressional and shear‐wave arrival times from a two‐dimensional seismic array experiment are used to constrain a one‐dimensional crustal
Eylon Shalev +2 more
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On the residual isostatic topography effect in the gravimetric Moho determination
Journal of Geodynamics, 2015In classical isostatic models, a uniform crustal density is typically assumed, while disregarding the crustal density heterogeneities.
Mohammad Bagherbandi +3 more
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Topography of the Moho and Conrad discontinuities in the Kyushu district, Southwest Japan
Journal of Seismology, 2007The first P-arrival time data from local earthquakes are inverted for two-dimensional variation of the depths to the Conrad and Moho discontinuities in the Kyushu district, southwest Japan. At the same time, earthquake hypocenters and station corrections are determined from the data.
Hitoshi Oda, Takashi Ushio
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Bulletin of the Seismological Society of America, 2011
Pn-wave energy refracts through the uppermost mantle, with the first seismic wave arrival at distances of ∼200 to ∼1500 km from crustal sources. The Pn phase provides important constraints on source type, location, and magnitude, but its propagation is complicated by frequency-dependent sensitivity to the Earth's sphericity and lithospheric velocity ...
M. Avants, T. Lay, X.-B. Xie, X. Yang
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Pn-wave energy refracts through the uppermost mantle, with the first seismic wave arrival at distances of ∼200 to ∼1500 km from crustal sources. The Pn phase provides important constraints on source type, location, and magnitude, but its propagation is complicated by frequency-dependent sensitivity to the Earth's sphericity and lithospheric velocity ...
M. Avants, T. Lay, X.-B. Xie, X. Yang
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Bulletin of the Seismological Society of America, 1996
Abstract We use teleseismic P waves recorded at Piñon Flat Observatory (PFO) to constrain the three-dimensional crustal and upper-mantle velocity structure beneath the station. By forward modeling radial receiver function waveforms, we construct a one-dimensional crustal model that includes a significant shear-velocity inversion at 9 km ...
G. Eli Baker +3 more
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Abstract We use teleseismic P waves recorded at Piñon Flat Observatory (PFO) to constrain the three-dimensional crustal and upper-mantle velocity structure beneath the station. By forward modeling radial receiver function waveforms, we construct a one-dimensional crustal model that includes a significant shear-velocity inversion at 9 km ...
G. Eli Baker +3 more
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Acta Seismologica Sinica, 2003
We use 146 422 P-wave arrival times from 6 347 local earthquakes recorded by the Southern California Seismic Network to determine a detailed three-dimensional P-wave velocity structure at 0–35 km depth. We have taken into account the Moho depth variations, which were obtained by seismological methods.
Jin-li Huang, Da-peng Zhao
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We use 146 422 P-wave arrival times from 6 347 local earthquakes recorded by the Southern California Seismic Network to determine a detailed three-dimensional P-wave velocity structure at 0–35 km depth. We have taken into account the Moho depth variations, which were obtained by seismological methods.
Jin-li Huang, Da-peng Zhao
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Variation in Moho topography and Poisson's ratio in the Eastern Himalayan arc
Physics and Chemistry of the Earth, Parts A/B/C, 2022Sowrav Saikia +6 more
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Moho topography beneath England, the regional gravity field and speculations on crustal structure
2023Donato, John A +2 more
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