A case-based reasoning method of recognizing liquefaction pits induced by 2021 MW 7.3 Madoi earthquake
January 2023
Earthquake-triggered liquefaction deformation could lead to severe infrastructure damage and associated casualties and property damage. At present, there are few studies on the rapid extraction of liquefaction...
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Preliminary report of the September 5, 2022 MS 6.8 Luding earthquake, Sichuan, China
January 2023
The 2022 MS 6.8 Luding earthquake is the strongest earthquake in Sichuan Province, Western China, since the 2017 MS 7.0 Jiuzhaigou earthquake. It occurred on the Moxi fault in the southeastern segment...
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Real-time prediction of earthquake potential damage: A case study for the January 8, 2022 MS 6.9 Menyuan earthquake in Qinghai, China
January 2023
It is critical to determine whether a site has potential damage in real-time after an earthquake occurs, which is a challenge in earthquake disaster reduction. Here, we propose a real-time Earthquake...
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A 15-year-Long catalog of seismicity in the Eastern Tennessee Seismic Zone (ETSZ) using matched filter detection
January 2023
We present a detailed catalog of 13 671 earthquakes in the Eastern Tennessee Seismic Zone (ETSZ) that spans January 1, 2005 to July 31, 2020. We apply a matched filter detection technique on over 15...
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Preliminary results on a near-real-time rock slope damage monitoring system based on relative velocity changes following the September 5, 2022 MS 6.8 Luding, China earthquake
January 2023
Relative seismic velocity change (dv/v) is important for monitoring changes in subsurface material properties and evaluating earthquake-induced rock slope damage in a geological disaster-prone region....
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Research progress in geophysical exploration of the Antarctic ice sheet
Available online 30 December 2022
The Antarctic ice sheet is an important target of Antarctic research. Thickness and structure, including intraice and subice, are closely related to the mass balance of the ice sheet, and play an important...
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Influence of soil to structure stiffness on the accuracy of the pushover method for underground structures
October 2022
The pushover method for underground structures is a seismic analysis method featured by high calculation accuracy and a simple implementation process. The method has been widely used in seismic design...
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Response characteristics of plunge pool slabs of Xiaxiluodu Hydropower Station to flood discharge pulsating-pressure under valley deformation conditions
October 2022
The key problem of the energy dissipation scheme of the arch dam body flood discharge and plunge pool below the dam is the stability problem of the plunge pool slab. As the protection structure of the...
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Seismic performance of two-story subway station structures with different isolating systems
October 2022
When the sliding bearing is fixed only at the top of the middle column of the underground structure, the cracks at the side end of the middle plate should be aggravated while the seismic damage of the...
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Seismic performance analysis of underground structures based on random field model of soil mechanical parameters
October 2022
Soils with spatial variability are the product of natural history. The mechanical properties tested by soil samples from boreholes in the same soil layer may be different. Underground structure service...
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Research on the influence of grouted sleeves and assembled seams on the deformation and bearing capacity of compression-flexure member
October 2022
Grouted sleeves can effectively connect precast elements, but the effect of grouted sleeves for increased stiffness and assembled seam for weakening stiffness on the precast column's mechanical properties...
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Numerical simulation of irregular section underground structure shaking table test model
October 2022
Based on the the large shaking table test results on irregular section subway station structure in soft soil, an overall time-history numerical simulation is conducted to study the nonlinear dynamic...
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Numerical investigation on seismic performance of a shallow buried underground structure with isolation devices
October 2022
A design procedure for improving the seismic performance of unequal-span underground structures by installing isolation devices at the top end of columns is proposed based on the seismic failure mode...
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Construction parameters of graded sand-gravel foundation on seismic response law of nuclear safety grade underground corridor
October 2022
The treatment of soft soil foundation under nuclear safety grade corridors with graded sand and gravel materials has a good development prospect. It is of great engineering value to explore the influence...
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Influence of spiral anchor composite foundation on seismic vulnerability of raw soil structure
October 2022
A typical single-layer raw soil structure in villages and towns in China is taken as the research object. In the probabilistic seismic demand analysis, the seismic demand model is obtained by the incremental...
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A comparative analysis of seismic response of shallow buried underground structure under incident P, SV and Rayleigh waves
October 2022
In this study, A time-domain seismic response analysis method and a calculation model of the underground structure that can realize the input of seismic P, SV and Rayleigh waves are established, based...
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Experimental study on the dynamic modulus of compacted loess under bidirectional dynamic load
July 2022
The dynamic characteristics of compacted loess are of great significance to the seismic construction of the Loess Plateau area in Northwest China, where earthquakes frequently occur. To study the change...
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The response law of far-field seismic ground motion of the Wenchuan earthquake and its damaging mechanism in the Loess Plateau
July 2022
A series of housing collapses and other serious damage was caused by the 2008 Wenchuan MS 8.0 earthquake in the seismic intensity Ⅵ areas of the Loess Plateau, which is hundreds of kilometers away from...
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Under the surface: Pressure-induced planetary-scale waves, volcanic lightning, and gaseous clouds caused by the submarine eruption of Hunga Tonga-Hunga Ha'apai volcano
July 2022
We present a narrative of the eruptive events culminating in the cataclysmic January 15, 2022 eruption of Hunga Tonga-Hunga Ha'apai Volcano by synthesizing diverse preliminary seismic, volcanological,...
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The mechanism of slope instability due to rainfall-induced structural decay of earthquake-damaged loess
July 2022
Natural loess slopes are characterized by a strong geological structure, which is an important factor in maintaining slope stability. The magnitude and duration of the earthquake may disturb the soil...
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Is clustered seismicity an indicator of regional stress? Insights from earthquake sequences in Yongning-Luguhu faulted basin, Southwest China
July 2022
Using hypocenter relocation, moment tensor inversion, stress field inversion, and fault slip tendency analysis, this study systematically investigated three M5.5–5.8 earthquake sequences that occurred...
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Numerical simulation of deep-hole resistivity anomaly caused by drilling construction in Xinfengjiang geoelectric station
July 2022
The Xinfengjiang reservoir in Guangdong Province, is one of the large reservoirs that have triggered earthquakes of magnitude greater than 6. Numerous earthquakes have occurred since the impoundment...
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Coupling action of rainfall and vehicle loads impact on the stability of loess slopes based on the iso-water content layer
July 2022
To clarify the changes in slope stability of loess slopes under the coupling action of rainfall and vehicle loads. Experiments with different water contents under different environmental conditions...
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A summary of seismic activities in and around China in 2021
July 2022
In this article, we review the general characteristics of seismicity in and around China and the overall statistics of earthquake damage in 2021, focusing on several significant events and related scientific...
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