3-D Shear wave velocity and azimuthal anisotropy structure in the shallow crust of Binchuan Basin in Yunnan, SW China, from ambient noise tomography
Available online 15 July 2024
The Binchuan Basin in northwest Yunnan, SW China, is a rift basin developed at the intersection of the Red River Fault and Chenghai Fault, where active faults developed and historical earthquakes occurred....
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Three-dimensional fault model and features of chained hazards of the Luding Ms6.8 earthquake, Sichuan Province, China
Available online 14 July 2024
The Ms6.8 Luding earthquake in 2022 is located on the NNW-trending the Moxi segment of the Xianshuihe fault with left-lateral strike-slip behavior. This area is the region where the Xianshuihe, Anninghe,...
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Assessment of Seismic Spatiotemporal Characteristics and Migration Distance in the Badong Section of the Three Gorges Reservoir Area
Available online 21 June 2024
The objectives of this paper are to elucidate the seismic characteristics of the Three Gorges Reservoir area after impoundment and investigate the seismic source migration. Based on the seismic data...
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Geophysical delineation of the newly Identified Gulmarg Fault in the Kashmir Basin, NW Himalaya. Implications for active structural control
Available online 16 June 2024
The Kashmir basin, shaped by the collision of the Indian and Eurasian tectonic plates, features prominent faults including the Balapur fault and other fault zones. This study focuses on the Gulmarg...
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The representative scientific results of the China Seismo-Electromagnetic Satellite
Available online 15 June 2024
The China Seismo-Electromagnetic Satellite (CSES-01) which was launched on February 2nd, 2018, has been steadily operating in orbit for almost six years, exceeding its designed five-year lifespan expectation....
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The cumulative plastic deformation demand for buckling restrained braces imposed by the strong motions in the 2023 Turkey earthquake sequence
Available online 11 June 2024
The Turkey earthquake sequence on February 6, 2023, was featured by the closely located earthquake doublet of Mw7.8 and Mw7.5. The consequent strong ground motions are supposed to be able to impose...
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A fast survey report about bridge damages by the 2024 Noto Peninsula Earthquake
Available online 6 May 2024
The 2024 Noto Peninsula Earthquake struck with strong shake accompanied with tsunami, fire, liquefaction, and landslides. An emergence survey was conducted by the authors’ team, mostly focused on the...
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Analysis of submarine seismic ambient noise data in Bohai Sea and Yellow Sea and its application
Available online 3 May 2024
Submarine seismic ambient noise imaging combines current marine and on-land seismic detection technologies. Based on data from several broadband shallow-sea type ocean bottom seismometers (SOBSs) deployed...
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Rapid determination of source parameters of the M6.2 Jishishan earthquake in Gansu Province and its application in emergency response
Available online 3 May 2024
In this study, we swiftly determined the focal parameters (focal mechanism, seismic imaging process, magnitude) of the Jishishan earthquake, leveraging a solved fault model to promptly assess the intensity...
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In memory of Professor David Alexander Yuen
April 2024
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Rapid rupture characterization for the 2023 MS 6.2 Jishishan earthquake
April 2024
On December 18, 2023, the MS 6.2 Jishishan earthquake occurred in the northeastern region of the Qinghai-Xizang Plateau, causing heavy casualties and property damage in Gansu and Qinghai Provinces....
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Seismic anisotropy and upper mantle dynamics in Alaska: A review of shear wave splitting analyses
April 2024
Shear wave splitting (SWS) is regarded as the most effective geophysical method to delineate mantle flow fields by detecting seismic azimuthal anisotropy in the earth's upper mantle, especially in tectonically...
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Proper interpretation of sectional analysis results
April 2024
Displacement control algorithms commonly used to evaluate axial force-bending moment (PM) diagrams may lead to incorrect interpretations of the strength envelopes for asymmetric sections. This paper...
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Towards fast focal mechanism inversion of shallow crustal earthquakes in the Chinese mainland
April 2024
We have developed an automatic regional focal mechanism inversion system based on the Earthquake Rapid Report (ERR) system and the real-time three-component seismic waveform stream of 1 000 broadband...
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An envelope-based machine learning workflow for locating earthquakes in the southern Sichuan Basin
April 2024
The development of machine learning technology enables more robust real-time earthquake monitoring through automated implementations. However, the application of machine learning to earthquake location...
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Rapid report of the December 18, 2023 MS 6.2 Jishishan earthquake, Gansu, China
April 2024
On December 18, 2023, the Jishishan area in Gansu Province was jolted by a MS 6.2 earthquake, which is the most powerful seismic event that occurred throughout the year in China. The earthquake occurred...
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The dynamic characteristics of saturated remolded loess under cyclic load
April 2024
Due to the joint development characteristic and macropore structure of loess, it is easy to cause structure collapse under earthquake or artificial vibration. The study on the loess disaster effect...
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Earthquake relocation using a 3D velocity model and implications on seismogenic faults in the Beijing-Tianjin-Hebei region
April 2024
To enhance the understanding of the geometry and characteristics of seismogenic faults in the Beijing-Tianjin-Hebei region, we relocated 14 805 out of 16 063 earthquakes (113°E−120°E, 36°N–43°N) that...
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Data merging methods for S-wave velocity and azimuthal anisotropy from different regions
Available online 14 April 2024
When inverting the S-wave velocity and azimuthal anisotropy from ambient noise data, it is always to obtain the partial overlapped inversion results in contiguous different regions. Merging of different...
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The seismicity in the middle section of the Altyn Tagh Fault system revealed by a dense nodal seismic array
Available online 10 April 2024
The left-lateral Altyn Tagh Fault (ATF) system is the northern boundary of the Qinghai-Xizang Plateau, separating the Tarim Basin and the Qaidam Basin. The middle section of ATF has not recorded any...
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Improving image accuracy of ambient noise data by temporary seismic arrays at different observation periods
Available online 26 March 2024
When using ambient noise data to invert velocity and anisotropic structures, the two-station inter-correlation method requires the synchronous stations. If there are multiple temporary seismic arrays...
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Interseismic slip distribution and locking characteristics of the mid-southern segment of the Tanlu fault zone
Available online 26 March 2024
We employ the block negative dislocation model to invert the distribution of fault coupling and slip rate deficit on the different segments of the Tanlu (Tancheng-Lujiang) fault zone, according to the...
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Site classification methodology using support vector machine: A study
Available online 13 March 2024
The site effect is a crucial factor when analyzing seismic risk and establishing ground motion attenuation relationships. A number of countries have introduced building site classification into earthquake-resistant...
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