Focal mechanism of Luding M6.8 earthquake, September 2022 and analysis of the loading role of the tectonic stress on seismogenic fault
Available online 13 March 2023
To reveal the seismogenic mechanism of the Luding earthquake, we employed the 118 China Seismic Network stations to collect the P-wave polarity data from each station, which was then used in the P-wave...
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A palaeoearthquake event and its age revealed by travertine layer along the litang fault in the southeastern margin of the Tibetan plateau
Available online 16 February 2023
The Litang fault (LTF), located in the southeast of the Tibetan Plateau, is known for its high level of present-day seismicity, whereas its Pleistocene activity has been scarcely documented. This study...
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Rapid assessment of the September 5, 2022 Ms 6.8 Luding earthquake in Sichuan, China
Available online 11 February 2023
At 12:52, September 5, 2022, an Ms 6.8 earthquake occurred in Luding, Sichuan. The earthquake has caused serious casualties and property loss, and was determined to have an epicenter intensity of IX...
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Rapid report of June 1, 2022 MW 5.9 Lushan earthquake, China with geodetic and teleseismic data
January 2023
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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Assessment of strong earthquake risk in the Chinese mainland from 2021 to 2030
January 2023
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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3D S-wave velocity structure of the Ningdu basin in Jiangxi province inferred from ambient noise tomography with dense array
January 2023
The Ningdu basin, located in southern Jiangxi province of southwest China, is one of the Mesozoic basin groups which has exploration prospects for geothermal energy. A study on the detailed velocity...
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Rapid report of seismic damage to buildings in the 2022 M 6.8 Luding earthquake, China
January 2023
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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An open-accessed inventory of landslides triggered by the MS 6.8 Luding earthquake, China on September 5, 2022
January 2023
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 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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Evaluating and correcting short-term clock drift in data from temporary seismic deployments
Available online 27 December 2022
Temporary seismic network deployments often suffer from incorrect timing records and thus pose a challenge to fully utilize the valuable data. To inspect and fix such time problems, the ambient noise...
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Source rupture characteristics of the September 5, 2022 Luding MS 6.8 earthquake at the Xianshuihe fault zone in southwest China
Available online 26 December 2022
On September 5, 2022, at Beijing time 12:52 p.m., an MS 6.8 earthquake struck Luding County, Garze Tibetan Autonomous Prefecture, Sichuan Province. The epicenter of the earthquake was at the intersection...
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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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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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