Results 1 to 10 of about 167,390 (266)
Geophysical Research Letters, 2023 We measure group velocity dispersion of surface waves generated by two meteoroid impacts on Mars close to the lander of the InSight mission. This allows us to probe the crustal structure in the first few kilometers beneath the InSight lander.
Mélanie Drilleau +8 more
doaj +2 more sources
The Inhomogeneous Waves in a Rotating Piezoelectric Body [PDF]
The Scientific World Journal, 2013 This paper presents the analysis and numerical results of rotation, propagation angle, and attenuation angle upon the waves propagating in the piezoelectric body.
Xiaoguang Yuan, Si Chen
doaj +3 more sources
Research progress of the extraction body waves from ambient noise
地震科学进展, 2021 The exploration of the deep structure of the earth is the core part of geophysical research. Seismic body waves can penetrate deep into the earth with a high resolution and it is an indispensable technical means for studying the internal structure of the
Qi Li +5 more
doaj +1 more source
Seismological reference earth model in South China (SREM-SC): Upper mantle
Frontiers in Earth Science, 2023 This work is the mantle component of constructing the Seismological Reference Earth Model in South China (SREM-SC). Although there has been a wide range of research for imaging the upper mantle structures beneath South China, most of them focus on the ...
Qingya Tang +5 more
doaj +1 more source
Frontiers in Earth Science, 2022 The Central-Western Mediterranean (CWM) is one of the most complex tectonic setting on Earth. Episodes of slab rollback, break-off and tearing, the opening of back-arc extensional basins (i.e., Liguro-Provencal, Alborean, Algerian and Tyrrhenian basins),
Rosalia Lo Bue +3 more
doaj +1 more source
Energies, 2022 In seismic exploration, obtaining accurate bandwidth of the reflected signal is essential for determining seismic resolution. A portion of the stored energy is attenuated during signal propagation, narrowing the received seismic signal bandwidth ...
Bohan Zhang, Huazhong Wang
doaj +1 more source
Global Variability of Density Contrast Across the 660‐km Discontinuity
Geophysical Research Letters, 2023 This study investigates lateral variations in density contrast across the 660‐km discontinuity, which is critical for understanding mantle convection and composition.
Jingchuan Wang +2 more
doaj +1 more source
S1222a—The Largest Marsquake Detected by InSight
Geophysical Research Letters, 2023 NASA's InSight has detected a large magnitude seismic event, labeled S1222a. The event has a moment magnitude of MWMa4.7, with five times more seismic moment compared to the second largest event.
Taichi Kawamura +17 more
doaj +1 more source
Seismological reference earth model in South China (SREM-SC): Crust and uppermost mantle
Frontiers in Earth Science, 2023 The South China Block is located on the eastern margin of the Eurasian Plate and the western margin of the Pacific Plate. The South China Block is currently in a tectonically compressed environment, while the Tibetan Plateau is moving eastward and the ...
Jiamin Hu +7 more
doaj +1 more source
Geochemistry, Geophysics, Geosystems, 2022 Strong waveform complexities, including multipathing of the S diffracted phase and rapid changes in differential ScS‐S times, are observed for multiple deep Fiji earthquakes recorded at the USArray.
Voon Hui Lai +6 more
doaj +1 more source