Analysis of Seismic Response of Existing Stone Masonry Structures on Soft Soil Foundations
Available online 23 January 2025
The coastal region of Fujian contains numerous existing stone masonry structures, many of which are constructed on soft soil sites. Previous studies have shown that the soil-structure interaction (SSI)...
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Preliminary analysis of emergency production and source parameters of the M4.7 earthquake on September 18, 2024 in Feidong, Anhui
Available online 13 January 2025
At 20:08 on September 18, 2024, Beijing time, an earthquake of magnitude 4.7 occurred in Feidong, Anhui Province(31.98°N, 117.6°E). The China Earthquake Early Warning Network presented the first early...
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A Spatial Forecast of Some Mw≥6.5 Earthquakes in California and Nevada
Available online 10 January 2025
This paper presents a prospective forecast of the locations of the next Mw≥6.5 earthquakes in California and Nevada based on the locations and rates of occurrence of M≥4.0 earthquakes during the past...
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Disaster analysis and lessons learned from the July 22, 2024, Ethiopian landslide
Available online 10 January 2025
Rainfall-induced landslides are often highly destructive. Reviewing and analyzing the causes, processes, impacts, and deficiencies in emergency response is critical for improving disaster prevention...
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High-performance CPU-GPU Heterogeneous Computing Method for 9-Component Ambient Noise Cross-correlation
Available online 1 January 2025
Ambient noise tomography is an established technique in seismology, where calculating single- or nine-component noise cross-correlation functions (NCFs) is a fundamental first step. In this study, we...
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Using high-spatial-resolution images to extract the distribution of coseismic landslides and soil liquefaction triggered by the 2024 Hualien Mw 7.4 earthquake in eastern Taiwan
Available online 31 December 2024
Rapidly obtaining spatial distribution maps of secondary disasters triggered by strong earthquakes is crucial for understanding the disaster-causing processes in earthquake hazard chain and formulating...
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Advancements in remote sensing techniques for earthquake engineering: A review
Available online 19 December 2024
Remote sensing technologies play a vital role in our understanding of earthquakes and their impact on the Earth's surface. These technologies, including satellite imagery, aerial surveys, and advanced...
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The cumulative plastic deformation demand for buckling restrained braces imposed by the strong motions in the 2023 Türkiye earthquake sequence
October 2024
The Türkiye earthquake sequence on February 6, 2023, was featured by the closely located earthquake doublet of Mw 7.8 and Mw 7.5. 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
October 2024
The 2024 Noto Peninsula Earthquake was a significant seismic event that caused extensive damage across the region, characterized by a strong shake, subsequent tsunami, fires, liquefaction, and landslides....
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Characterization and application of submarine seismic ambient noise in the Bohai Sea and Yellow Sea
October 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
October 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 assess the intensity field...
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Data merging methods for S-wave velocity and azimuthal anisotropy from different regions
October 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
October 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
October 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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3D shear wave velocity and azimuthal anisotropy structure in the shallow crust of Binchuan Basin in Yunnan, Southwest China, from ambient noise tomography
October 2024
The Binchuan Basin in northwest Yunnan, southwest China, is a rift basin developed at the intersection of the Red River Fault and Chenghai Fault, where historical earthquakes have occurred. Understanding...
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Three-dimensional fault model and features of chained hazards of the Luding MS 6.8 earthquake, Sichuan Province, China
October 2024
The MS 6.8 Luding earthquake in 2022 is located on the NNW-trending Moxi segment of the Xianshuihe fault with left-lateral strike-slip behavior. This area is where the Xianshuihe, Anninghe, Daliangshan...
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Catalog of focal mechanism solutions for the Sichuan and Yunnan region from 2012 to 2022 using the community velocity model of Southwest China
October 2024
The focal mechanism solution is one of the important focal parameters for exploring fault activity and studying regional stress distribution and it has a wide range of applications. The geological structure...
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Travel-time corrections for stations in the Guangdong seismic network and their impact on earthquake location accuracy
Available online 28 October 2024
The travel-time corrections for the primary seismic phases of 72 stations in the Guangdong seismic network, relative to the 1D South China travel-time model, were determined using joint hypocentral...
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The seismicity in the middle section of the Altyn Tagh Fault system revealed by a dense nodal seismic array
July 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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Interseismic slip distribution and locking characteristics of the mid-southern segment of the Tanlu fault zone
July 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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Major methods of seismic anisotropy
July 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 Mj 7.6 Noto Peninsula, Japan earthquake caused by the fluid flow in the crust
July 2024
On January 1, 2024 at 16:10:09 JST, an Mj 7.6 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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3D near-surface P-wave velocity structure imaging with Distributed Acoustic Sensing and electric hammer source
July 2024
Distributed Acoustic Sensing (DAS) is an emerging technique for ultra-dense seismic observation, which provides a new method for high-resolution sub-surface seismic imaging. Recently a large number...
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Application of oblique photogrammetry technique in geological hazard identification and decision management
July 2024
With the continuous development of the oblique photography technique, it has been used more and more widely in the field of geological disasters. It can quickly obtain the three-dimensional (3D) real...
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