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oint Inversion of the 3D P Wave Velocity Structure of the Crust and Upper Mantle under the Southeastern Margin of the Tibetan Plateau Using Regional Earthquake and Teleseismic Data
3D P-wave velocity structure China seismic array detection Panxi region Chuan-Dian Block Daliangshan Block southeastern margin of Qinghai–Tibet Plateau
2018/4/10
The special seismic tectonic environment and frequent seismicity in the southeastern margin of the Qinghai–Tibet Plateau show that this area is an ideal location to study the present tectonic movement...
Strain pattern of the Southern Tyrrhenian slab from moment tensors of deep earthquakes:implications on the down-dip velocity
southern tyrrhenian seimin strain rate tensor down-dip velocity aseismic subduction
2015/9/28
Seismic strain is analysed along the slab face of the Southern Tyrrhenian subduction zone using focal mechanisms of deep earthquakes which occurred in the period 1960-1998. Results show that the slab ...
Low velocity and low electricalresistivity layers in the middle crust
seismic and electromagnetic studies Earth's crust Baltic and Ukranian shields
2015/9/14
Some Deep Seismic Sounding (DSS) revealed low velocity layers in the upper and middle crust of old platforms.The layers are often characterised by a lower electrical resistivity. It is not clear, howe...
Shear-wave velocity structure at Mt. Etna from inversion of Rayleigh-wave dispersion patterns (2 s < T < 20 s)
Mount Etna Rayleigh-wave dispersion S-wave velocity modeL Non-linear inversion Triangle method
2015/8/28
In the present study, we investigated the dispersion characteristics of medium-to-long period Rayleigh waves (2 s < T < 20 s) using both single-station techniques (multiple-filter analysis, and phase-...
Faulting mechanism of the Campania–Lucania 1980 earthquake, Italy, from high-resolution, 3D velocity structure, aftershock relocation, fault-plane solutions, and post-seismic deformation modeling
Campania-Lucania 1980 earthquake analyses of the post-seismic data
2015/8/27
This study performs a detailed reconstruction of the rupture mechanism of the 1980 Campania–Lucania (southern Italy) earthquake. This is achieved by relocation of the main event through computation of...
Empirical relationships of shear wave velocity,SPT-N value and vertical effective stress for different soils in Mashhad,Iran
Shear wave velocity Vertical effective stress Standard penetration test Downhole test, Empirical relations Mashhad Iran
2015/8/14
Shear wave velocity, Vs, is one of the important input parameters in seismic response analysis of the ground. Various methods have been examined to measure the soil Vs directly. Direct measurement of ...
Spurious velocity changes caused by temporal variations in ambient noise frequency content
Time-series analysis Interferometry Surface waves and free oscillations Coda waves
2014/4/10
Ambient seismic noise cross-correlations are now being used to detect temporal variations of seismic velocity, which are typically on the order of 0.1 per cent. At this small level, temporal variation...
The role of velocity-neutral creep on the modulation of tectonic tremor activity by periodic loading
velocity-neutral creep on the modulation tectonic tremor activity periodic loading
2014/4/15
Slow slip events and associated non-volcanic tremors are sensitive to oscillatory stress perturbations, such as those induced by tides or seismic surface waves. Slow slip events and tremors are though...
Structure of central and southern Mexico from velocity and attenuation tomography
Structure of central and southern Mexico velocity attenuation tomography
2014/4/10
The 3DVp, Vp/Vs, P- and S-wave attenuation structure of the Cocos subduction zone in Mexico is imaged using earthquakes recorded by two temporary seismic arrays and local stations. Direct P wave arriv...
Using overlapping sonobuoy data from the Ross Sea to construct a 2D deep crustal velocity model
Sonobuoy Multi-channel seismic Ross Sea Finite-difference 2D velocity model Crustal structure
2014/4/10
Sonobuoys provide an alternative to using long streamers while conducting multi-channel seismic (MCS) studies, in order to provide deeper velocity control. We present analysis and modeling techniques ...
Rupture Process of the 1999Mw7.1 Duzce Earthquake from Joint Analysis of SPOT, GPS, InSAR, Strong-Motion, and Teleseismic Data: A Supershear Rupture with Variable Rupture Velocity
Rupture Process the 1999Mw7.1 Duzce Earthquake Joint Analysis of SPOT GPS InSAR Strong-Motion Teleseismic Data A Supershear Rupture Variable Rupture Velocity
2014/4/15
We analyze the rupture process of the 1999Mw7.1 Duzce earthquake using seismological, remote sensing, and geodetic data. Ground deformation measured from the subpixel cross correlation of Satellite Po...
A Report Summarizing on the Velocity of Earthquake Waves and the Structure of the Earth's Crust in the Baltic Shield
Velocity of Earthquake Waves Earth's Crust Baltic Shield
2009/6/18
A Report Summarizing on the Velocity of Earthquake Waves and the Structure of the Earth's Crust in the Baltic Shield.
Subducting Slab Ultra-Slow Velocity Layer Coincident with Silent Earthquakes in Southern Mexico
Subducting Slab Ultra-Low Velocity Layer Coincident Silent Earthquakes Southern Mexico
2014/4/10
Great earthquakes have repeatedly occurred on the plate interface in a few shallow-dipping subduction zones where the subducting and overriding plates are strongly locked. Silent earthquakes (or slow ...
Swave velocity structure below central Mexico using high‐resolution surface wave tomography
S Wave velocity structure central Mexico high‐resolutionp surface wave tomography
2014/4/10
Shear wave velocity of the crust below central Mexico is estimated using surface wave dispersion measurements from regional earthquakes recorded on a dense, 500 km long linear seismic network. Vertica...
Spectral element modeling of spontaneous earthquake rupture on rate and state faults: Effect of velocity-strengthening friction at shallow depths
Spectral element modeling spontaneous earthquake rupture rate and state faults:velocity-strengthening friction at shallow depths
2014/4/8
We develop a spectral element method (SEM) for simulating dynamic rupture on rate and state faults and use it to study how the rupture is affected by a shallow fault region of steady state velocity-st...