Results 41 to 50 of about 14,100 (222)

Estimating frequency-dependent shear wave velocity in near-surface sediment based on seismic interferometry

Earth, Planets and Space, 2023
Near-surface seismic shear wave is a basic tool for seismic investigations. However, its frequency-dependent property is not fully investigated, especially by the in situ observation method.
Hao Zhang, Yang Shi, Hongjun He, Hanwen Ji, Yu Miao   +4 more
doaj   +1 more source

Continuous isolated noise sources induce repeating waves in the coda of ambient noise correlations

Seismica, 2023
Continuous excitation of isolated noise sources leads to repeating wave arrivals in cross correlations of ambient seismic noise, including throughout their coda. These waves propagate from the isolated sources.
Sven Schippkus, Mahsa Safarkhani, Céline Hadziioannou   +2 more
doaj   +1 more source

Combining seismology and spectropolarimetry of hot stars [PDF]

, 2014
Asteroseismology and spectropolarimetry have allowed us to progress significantly in our understanding of the physics of hot stars over the last decade. It is now possible to combine these two techniques to learn even more information about hot stars and
Briquet, Maryline, Degroote, Pieter, Mathis, Stéphane, Neiner, Coralie   +3 more
core   +1 more source

Deformation due to the 17 August 1999 Izmit, Turkey, earthquake measured from SPOT images [PDF]

, 2002
The geometry of the ruptured areas and the coseismic slip distribution data are key to highlighting the behavior of seismic faults. This information is generally retrieved from field investigations and geodetic measurements or synthetic aperture radar ...
Avouac, Jean-Philippe, Michel, Rémi
core   +1 more source

Co-seismic deformation during the M_w 7.3 Aqaba earthquake (1995) from ERS-SAR interferometry [PDF]

, 2000
The M_w 7.3 1995 Aqaba earthquake is the largest instrumental earthquake along the Dead Sea Fault. We complement previous seismological studies by analyzing co‐seismic ground displacement from differential interferometry computed from ERS images spanning
Avouac, Jean-Philippe, Klinger, Yann, Michel, Rémi   +2 more
core  

Linking Stress Drop and Slip Heterogeneity to Assess Source Rupture Directivity for Earthquakes in Central Italy

Terra Nova, Volume 38, Issue 3, Page 163-172, June 2026.
ABSTRACT In this study, we examine the relationship between Brune stress drop and fault slip where the stress drop is estimated using the Empirical Green's Function (EGF) method and slip distribution is derived from seismic and geodetic data inversion.
Giovanna Calderoni, Antonella Cirella, Aybige Akinci   +2 more
wiley   +1 more source

Extracting information from noise [PDF]

, 2010
Seismic waves created by sources such as wind, the ocean and human activity propagate inside the Earth all the time. Such waves are often regarded as ‘noise’ by seismologists, however, they travel through the Earth in exactly the same way as those ...
Baptie, Brian
core  

Decoupling Seasonal Seismic Velocity Changes on Slow‐Moving Slopes in Southwest China Using Tree Ensemble Machine Learning

Geophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract Changes in seismic properties can help assess slope damage, which is influenced by external factors such as temperature, relative humidity, rainfall, air pressure, and local seismicity. However, the contributions of these factors, and how the dominant factor modulates transient and seasonal seismic velocity changes (δv/v $\delta v/v$), remain ...
Dekang Li, Fan Xie, Qing‐Yu Wang, Piero Poli, Clément Hibert, Yifei Cui, Li Li, Hengshu Zhu   +7 more
wiley   +1 more source

Fundamental properties of the Population II fiducial stars HD 122563 and Gmb 1830 from CHARA interferometric observations [PDF]

, 2012
We have determined the angular diameters of two metal-poor stars, HD 122563 and Gmb 1830, using CHARA and Palomar Testbed Interferometer observations. For the giant star HD 122563, we derive an angular diameter theta_3D = 0.940 +- 0.011 milliarcseconds ...
A. Chiavassa, A. Mérand, Alexander, Allende Prieto, Alonso, Alonso, Andrievsky, B. Pichon, Barbuy, Bedding, Bigot, Bigot, Blackwell, Boyajian, Boyajian, Brown, Butler, C. Farrington, Casagrande, Chiavassa, Chiavassa, Claret, Colavita, Colavita, Collet, Coudé du Foresto, Deliyannis, Eggleton, Eggleton, F. Thévenin, G. T. van Belle, Gehren, González Hernández, Gustafsson, H. A. Mc Alister, Hanbury Brown, Hayek, Houdashelt, Huber, J. Sturmann, Johnson, Kervella, Kervella, Kervella, Kervella, King, Kjeldsen, L. Bigot, L. Sturmann, Lebreton, Luck, Mashonkina, Mashonkina, Mathur, Merle, Mishenina, Morel, Morel, Morel, Mosser, Mérand, N. Turner, O. L. Creevey, P. J. Goldfinger, P. Kervella, P. Morel, Pereira, R. Collet, Ramírez, Ramírez, Rogers, Rogers, Roxburgh, Soubiran, Spite, Stello, T. A. ten Brummelaar, T. S. Boyajian, ten Brummelaar, Thévenin, U. Heiter, V. Coudé du Foresto, van Leeuwen, Verner, Wallerstein, Wolffram, Yıldız   +86 more
core   +8 more sources

Supervirtual Seismic Interferometry with Adaptive Weights to Suppress Scattered Wave

Applied Sciences
Land seismic data are always contaminated by surface waves, which demonstrate strong energy, low velocity, and long vibrations. Such noises often mask deep effective reflections, seriously reducing the data’s signal-to-noise ratio while limiting the ...
Chunming Wang, Xiaohong Chen, Shanglin Liang, Sian Hou, Jixiang Xu   +4 more
doaj   +1 more source