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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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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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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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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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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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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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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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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In memory of Professor David Alexander Yuen
April 2024
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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 Tibetan Plateau, separating the Tarim Basin and the Qaidam Basin. The middle section of ATF has not recorded any large...
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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
In this paper, 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 fault zone, according to the GPS...
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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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Major methods of seismic anisotropy
Available online 6 March 2024
Seismic anisotropy reveals that seismic wave velocity, amplitude, and other physical properties show variations in different directions, which can be divided into lattice-preferred orientation (LPO)...
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The 2024 Mj7.6 Noto Peninsula, Japan earthquake caused by the fluid flow in the crust
Available online 16 February 2024
On January 1st, 2024 at 16:10:09 JST, an Mj7.6 earthquake struck the Noto Peninsula in the southern part of the Sea of Japan. This location has been experiencing an earthquake swarm for more than three...
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Preliminary report of coseismic surface rupture (part) of Türkiye's MW7.8 earthquake by remote sensing interpretation
January 2024
Both MW 7.8 and MW 7.5 earthquakes occurred in southeastern Türkiye on February 6, 2023, resulting in numerous buildings collapsing and serious casualties. Understanding the distribution of coseismic...
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Spatial correlations in ground motion intensity measuring from the 2023 Türkiye earthquake
January 2024
When evaluating an area's seismic risk or resilience, it is necessary to use the spatial correlation to analyze the ground motion parameters of multiple sites together in an earthquake. These two large...
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A novel control strategy for reproducing the floor motions of high-rise buildings by earthquake-simulating shake tables
January 2024
To enable the experimental assessment of the seismic performance of full-scale nonstructural elements with multiple engineering parameters (EDPs), a three-layer testbed named Nonstructural Element Simulator...
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Step-over of strike-slip faults and overpressure fluid favor occurrence of foreshocks: Insights from the 1975 Haicheng fore-main-aftershock sequence, China
January 2024
This study analyzed and summarized in detail the spatial and temporal distributions of earthquakes, tidal responses, focal mechanisms, and stress field characteristics for the M 7.3 Haicheng earthquake...
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Monitoring seismicity in the southern Sichuan Basin using a machine learning workflow
January 2024
Monitoring seismicity in real time provides significant benefits for timely earthquake warning and analyses. In this study, we propose an automatic workflow based on machine learning (ML) to monitor...
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Introduction to a recently released dataset entitled CSNCD: A Comprehensive Dataset of Chinese Seismic Network
January 2024
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Crustal structure in the Anyuan Coal Mine and its adjacent areas of Jiangxi Province by P-wave receiver functions
January 2024
We collected high-quality teleseismic events recorded by 12 broadband seismographs deployed in the Anyuan Coal Mine and its adjacent areas in Pingxiang City, Jiangxi Province for nearly two years. The...
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