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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 different...
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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 synchronous stations. If there are multiple temporary seismic arrays with...
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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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Tectonic geomorphology of Türkiye and its insights into the neotectonic deformation of the Anatolian Plate
January 2024
Quantitative geomorphic analyses are usually powerful in identifying active tectonics across global orogenic belts. Our present study will focus on the Anatolian Plate which hosts a lot of recent catastrophic...
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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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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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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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Introduction to a recently released dataset entitled CSNCD: A Comprehensive Dataset of Chinese Seismic Network
January 2024
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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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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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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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Seismicity and seismogenic mechanism of the MS 6.0 Luxian earthquake on September 16, 2021
October 2023
Based on the seismic data recorded by the China Earthquake Networks Center (CENC) in the Luxian area from January 2009 to October 2021, the 3D VP, VS, VP/VS structures and seismic locations of the area...
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Earthquake geochemical scientific expedition and research
October 2023
Large earthquakes can cause both casualties and economic losses, but they also provide invaluable opportunities for earthquake scientific research. Geofluids, due to their wide distribution, sensitive...
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Rupture process of the January 8, 2022, Menyuan M 6.9 earthquake
October 2023
After the occurrence of destructively strong earthquakes, rapid acquisition of the source rupture process can provide important reference information for post-earthquake disaster relief and aftershock...
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