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ISSN: 2772-4670
CN: 10-1743/P
p-ISSN: 2096-9996

Assessment of Seismic Spatiotemporal Characteristics and Migration Distance in the Badong Section of the Three Gorges Reservoir Area

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

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

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

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

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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Rapid determination of source parameters of the M6.2 Jishishan earthquake in Gansu Province and its application in emergency response

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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Analysis of submarine seismic ambient noise data in Bohai Sea and Yellow Sea and its application

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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The dynamic characteristics of saturated remolded loess under cyclic load

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

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

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

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

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

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

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

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

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Data merging methods for S-wave velocity and azimuthal anisotropy from different regions

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

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

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

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

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

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

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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