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Recent Earthquake Research Advances Articles

Recently published articles from Earthquake Research Advances.

Seismic Anisotropy beneath the Mainland of China: Constraints from Shear Wave Splitting Analyses

Available online 14 October 2021
Lingxia Gao | Daoyuan Sun

We use earthquakes recorded by the China National Seismic Network from 2015 to 2019 and measure shear wave splitting parameters of SKS to study the anisotropic characteristics beneath the mainland of...

A real-time AI-assisted seismic monitoring system based on new nodal stations with 4G telemetry and its application in the Yangbi M6.4 aftershock monitoring in southwest China

Available online 13 October 2021
Junlun Li | Huajian Yao | Baoshan Wang | Yang Yang | Xin Hu | Lishu Zhang | Beng Ye | Jun Yang | Xiaobin Li | Feng Liu | Guoyi Chen | Chang Guo | Wen Yang

A rapidly deployable dense seismic monitoring system which is capable of transmitting acquired data in real time and analyzing data automatically is crucial in seismic hazard mitigation after a major...

The advance in obtaining fault slip rate of strike slip fault-A review

Available online 8 October 2021
Jinrui Liu | Zhikun Ren | Wei Min | Guanghao Ha | Jinghao Lei

Slip rate along the major active fault is an important parameter in the quantitative study of active tectonics. It is the average rate of fault slip during a certain period of time, reflecting the rate...

A TEST METHOD FOR ANALYZING THE DEFORMATION OF LANDSLIDE MODEL

Available online 7 October 2021
Da Lei | Mingjie Chen | Zhihao Xu | Bin Luo | Guanlu Jiang | Kai Fan | Yongshan Luo

In order to study the overall deformation of geotechnical model conveniently, the worksite of landslide bridge foundation reinforced by the front and rear row anti-slide piles in Chenglan railway was...

Seismic response reduction analysis of large chassis base-isolated structure under long-period ground motions

Available online 24 September 2021
Feiyan Li | Linjian Wang | Yingxiong Wu

Long-period structures (e.g. Isolated structures) tend to produce pseudo-resonance with low frequency components of long-period ground motions, resulting in the increase in damage. Stiffness mutation...

General seismic wave and phase detection software driven by deep learning

Available online 24 September 2021
Ming Zhao | Jiahui Ma | Hao Chang | Shi Chen

We developed an automatic seismic wave and phase detection software based on PhaseNet, an efficient and highly generalized deep learning neural network for P- and S-wave phase picking. The software...

Co-seismic deformation of the 2020 Yutian MW6.4 earthquake from Sentinel-1A and the slip inversion

Available online 23 September 2021
Xin Jiang | Wei Li | Shijie Wang | Mingming Jiang

A remarkable earthquake struck Yutian, China on June 26th, 2020. Here, we use Sentinel-1 images to investigate the deformation induced by this event. We invert the InSAR observations using a two-step...

Analysis of GAMIT/GLOBK in high-precision GNSS data processing for crustal deformation

Available online 23 September 2021
Yu Li

The advances in satellite navigation and positioning technology and the worldwide establishment of continuous-tracking stations have greatly promoted the development and application of the high-precision...

Experimental study of the influence of mineral composition and normal stress on the frictional slip of shale

Available online 23 September 2021
Xiaodi Li | Jianbo Wang | Wei Zhou | Jiantong Liu | Li Qu

Natural fractures are widely distributed in shale reservoirs. During the hydraulic fracturing process, frictional slip occurring on natural fractures can increase the reservoir permeability and is of...

Comparative study on the deviation characteristics of post-earthquake intensity evaluation based on two intensity attenuation relationship models

Available online 22 September 2021
Jing Ren | Zhiqiang Li | Shuaitang Huang | Zhuantiao Tan | Yahui Chen | Qi Yao | Weiyu Ma

We collect the isoseismal data of 488 earthquakes in western China and 182 earthquakes in eastern China after 1900. The least square method is used to establish two models of the seismic intensity attenuation...

Simulation of the water level influence on the difference within the water-tube tiltmeter in Shuangyang Lake

Available online 21 August 2021
Chong Yue | Chuncheng Tang | Wei Yan | Xiaodong Pan | Xueme Li | Yuwen Tan | Zongfeng Zhang | Tianlong Yu

This article analyzes the relationship between the water level and the water-tube tilting in Shuangyang lake, based on the differential deformation features reflected by the NS and EW components of...

The stress change of the major activity faults in the Weihe Graben after the Wenchuan earthquake

Available online 20 August 2021
Sheng Dong | Weina Yuan | Fuqiang Shi

The seismicity of small earthquakes in the Weihe Graben has changed after the Wenchuan earthquake. In detail, the seismicity around the Qishan-Mazhao fault in the western Weihe Graben decreased, while...

A multi-channel approach for automatic microseismic event association using RANSAC-based Arrival Time Event Clustering (RATEC)

Available online 13 August 2021
Lijun Zhu | Lindsay Chuang | James H. McClellan | Entao Liu | Zhigang Peng

In the presence of background noise, arrival times picked from a surface microseismic data set usually include a number of false picks that can lead to uncertainty in location estimation. To eliminate...

MatDEM-Fast Matrix Computing of the Discrete Element Method

Available online 4 August 2021
Chun Liu | Hui Liu | Hongyong Zhang

Discrete element method can effectively simulate the discontinuity, inhomogeneity and large deformation and failure of rock and soil. Based on the innovative matrix computing of the discrete element...

Application of HPC and big data in post-pandemic times

Available online 30 July 2021
Henry M. Tufo | David A. Yuen | Gabriele Morra | Matthew G. Knepley | Bei Zhang | Shi Chen

We lay out the ramifications of the 2020 pandemic for all people in geosciences, especially the young, and argue for significant changes on training and career development. We focus primarily on its...

TransQuake: A transformer-based deep learning approach for seismic P-wave detection

Available online 30 July 2021
Yumeng Hu | Qi Zhang | Wenjia Zhao | Haitao Wang

Recent years have witnessed the increasing research interest in developing machine learning, especially deep learning which provides approaches for enhancing the performance of microearthquake detection....

Application of Snell's law in reflection raytracing using the multistage fast marching method

January 2021
Xingzhong Li | Wei Zhang

Accurate calculations of travel times and raypaths of reflection waves are important for reflection travel time tomography. The multistage shortest path method (MSPM) and multistage fast marching method...

Illuminating high-resolution crustal fault zones using multi-scale dense arrays and airgun source

January 2021
Hongfeng Yang | Yaohui Duan | Junhao Song | Weitao Wang | Wei Yang | Xiaofeng Tian | Baoshan Wang

High-resolution imaging of fault zone structure and its temporal changes can not only advance our understanding of earthquake physics, but is also critical for better seismic hazard preparation and...

Viscoelastic relaxation of the upper mantle and afterslip following the 2014 MW8.1 Iquique earthquake

January 2021
Zhiping Hu | Yan Hu | Segun Steven Bodunde

An improved understanding of postseismic crustal deformation following large subduction earthquakes may help to better understand the rheological properties of upper mantle and the slip behavior of...

Research progress on layered seismic anisotropy - A review

January 2021
Shengyi Shen | Yuan Gao

Seismic anisotropy is an effective feature to study the inner structure of the Earth. In complex tectonic area, the assumption of single-layer anisotropy is sometimes not well consistent with the observed...

Seismic imaging of the double seismic zone in the subducting slab in Northern Chile

January 2021
Pan Lu | Haijiang Zhang | Lei Gao | Diana Comte

Double seismic zones are commonly observed in the subducting slabs in a global scale, serving as ideal examples for studying the seismogenetic mechanism of the intermediate-depth earthquakes. In this...

Fluid-driven seismicity in relatively stable continental regions: Insights from the February 3rd, 2020 MS5.1 Qingbaijiang isolated earthquake

January 2021
Xinglin Lei | Jianbao Sun | Jinrong Su

On February 3rd, 2020, an isolated MS5.1 earthquake occurred in the northern section of the Longquanshan fault zone. This study aims at defining the geometry of seismogenic structures of this earthquake....

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