Earthquake-triggered landslide interpretation model of high resolution remote sensing imageries based on bag of visual word
Available online 5 December 2022
Traditional visual interpretation is often inefficient due to its excessive workload and requires professional knowledge and strong subjectivity. Therefore, how to build an automatic interpretation...
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Preliminary report of the 5 September 2022 MS 6.8 Luding earthquake, Sichuan, China
Available online 16 November 2022
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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A case-based reasoning method of recognizing liquefaction pits induced by Mw 7.3 Maduo earthquake
Available online 28 October 2022
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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An open-accessed inventory of landslides triggered by the MS 6.8 Luding earthquake, China on September 5, 2022
Available online 18 October 2022
This study constructs a preliminary inventory of landslides triggered by the MS 6.8 Luding earthquake based on field investigation and human-computer interaction visual interpretation on optical satellite...
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A comparative analysis of seismic response of shallow buried underground structure under incident P, SV and Rayleigh waves
Available online 13 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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Spatio-temporal variations of shallow seismic velocity changes in Salton Sea Geothermal Field, California in response to large regional earthquakes and long-term geothermal activities
Available online 9 October 2022
We measure spatio-temporal variations of seismic velocity changes in Salton Sea Geothermal Field, California based on cross correlations of daily seismic traces recorded by a borehole seismic network...
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Rapid report of seismic damage to buildings in the 2022 M 6.8 Luding earthquake, China
Available online 8 October 2022
The report summarizes the observed damage to a variety of buildings near the epicenter of the M6.8 Luding earthquake in Sichuan Province, China. They include base-isolated buildings, multi-story reinforced...
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3-D S-wave velocity structure of the Ningdu basin in Jiangxi province inferred from ambient noise tomography with dense array
Available online 20 September 2022
The Ningdu basin, Located in southern Jiangxi province of southwest China, is one of the Mesozoic basin groups which has exploration prospects of geothermal energy. A study on the detailed velocity...
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Assessment of strong earthquake risk in the Chinese mainland from 2021 to 2030
Available online 17 September 2022
The long-term earthquake prediction from 2021 to 2030 is carried out by researching the active tectonic block boundary zones in the Chinese mainland. Based on the strong earthquake recurrence model,...
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Influence of spiral anchor composite foundation on seismic vulnerability of raw soil structure
Available online 20 August 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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Construction parameters of graded sand-gravel foundation on seismic response law of nuclear safety grade underground corridor
Available online 17 August 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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Uncertainty in the seismic performance of semi-active base isolation systems
Available online 5 August 2022
In a conventional base isolation system, minimizing the seismic responses of the superstructure is always at the cost of increasing the isolator's response. The semi-active control of the isolator has...
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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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Rapid report of June 1, 2022 Mw 5.9 Lushan earthquake, China with geodetic and teleseismic data
Available online 31 July 2022
Timely response to earthquake characterization can facilitate earthquake emergency rescue and further scientific investigations. On June 1, 2022, MW 5.9 earthquake occurred in the southern area of the...
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Numerical investigation on seismic performance of a shallow buried underground structure with isolation devices
Available online 19 July 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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Numerical simulation of irregular section underground structure shaking table test model
Available online 7 July 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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Seismic performance analysis of underground structures based on random field model of soil mechanical parameters
Available online 6 July 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
Available online 6 July 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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