Science knows no borders: Memories of Professor Rong-Sheng Zeng, a pioneering figure of modern geophysics in China
October 2025
Basic processing of the InSight seismic data from Mars for further seismological research
October 2025
The InSight mission has obtained seismic data from Mars, offering new insights into the planet’s internal structure and seismic activity. However, the raw data released to the public contain various...
Performance evaluation of the waveform stacking-based microseismic location method in the southern Sichuan Basin of China
October 2025
Seismic source locations can characterize the spatial and temporal distributions of seismic sources, and can provide important basic data for earthquake disaster monitoring, fault activity characterization,...
The dilatancy-diffusion hypothesis, earthquake prediction, and operational earthquake forecasting: In memory of Professor Amos Nur on the 50th Anniversary of the 1975 Haicheng Earthquake
October 2025
Dilatancy is referred to the phenomenon of volume increase that occurs when a material is deformed. Dilatancy theory originated in geomechanics for the study of the behavior of granular materials. Later...
CrazyBeachball: A MATLAB GUI-based software package for focal mechanism inversion
October 2025
We present CrazyBeachball, a MATLAB-based graphical user interface (GUI) software package designed for focal mechanism inversion using P-wave first-motion polarity and S/P amplitude ratio data. CrazyBeachball...
Determination of rupture directivity of the 2024 Feidong M4.7 earthquake using one single near-source station
October 2025
Determining the rupture directivity for small earthquakes is challenging due to the small source dimension and limited resolution of far-field observations. In recent years, the burst of near-source...
High-resolution 3D S-wave velocity structure in northwestern Sichuan-Yunnan Block derived from ambient noise tomography
October 2025
The Sichuan-Yunnan Block is located on the southeastern margin of the Qinghai-Xizang Plateau and has frequent seismic activity on the western border, posing a potential threat to human society and economic...
Foreshocks of the 2016 MS5.1 Yunlong earthquake in Western Yunnan, China, and implications for earthquake nucleation
August 2025
Monitoring the evolution of foreshocks can be a valuable way to analyze the nucleation process. Foreshocks accompanying moderate mainshocks have been recorded in the west of Yunnan Province, China....
Analysis of seismicity in the Haicheng-Xiuyan region based on dense array data and deep learning methods
August 2025
The aftershocks of the 1975 MS7.3 Haicheng and 1999 MS5.4 Xiuyan earthquakes have persisted for a long time. The ChinArray-III dense stations, deployed in eastern North China from 2018 to 2020, increased...
Seismic evidence for a thickened mantle transition zone beneath the Kamchatka subduction zone
August 2025
The structures of the mantle transition zone (MTZ) are of great significance for studying interactions of the subducted slab and deep mantle and related slab dynamics beneath subduction zones. Here...
Intraslab seismicity characteristics of northern Chile
August 2025
The Chilean subduction zone is one of the most seismically active regions globally, characterized by extensive intermediate-depth seismicity in the slab. In this study, we construct a new earthquake...
Quantifying of spatio-temporal variations in the regional gravity field and the effectiveness of earthquake prediction: A case study of MS ≥ 5.0 earthquakes in the Sichuan-Yunnan region during 2021–2024
August 2025
Since the 1975 MS7.3 Haicheng earthquake, spatio-temporal variations in the gravity field have attracted much attention as potential earthquake precursors. Recent technical advances in terrestrial gravity...
HuiShangGPT in the discussion on the trend of seismicity?.
August 2025
Given the complexity of earthquake forecast and the current limitations in the application of artificial intelligence (AI), we propose a conceptual framework for a novel AI system, HuiShangGPT, intended...
An open access 90 m resolution VS data and map for areas affected by the January 2025 M6.8 Dingri Xizang, China earthquake
August 2025
In this study, we developed a high-resolution (3 arcsec, approximately 90 m) VS map and associated open-access dataset for the 140 km × 200 km region affected by the January 2025 M6.8 Dingri Xizang,...
The slip-rate, state-, temperature-, and normal-stress-dependence of fault friction
August 2025
The mechanics of slow-slip events and earthquakes is controlled by the constitutive behavior of rocks in active fault zones, which is sensitive to many factors encompassing lithology, temperature, confining...
Assessment of shear wave velocity models in the Southeast Qinghai-Xizang Plateau with full-wave simulation
June 2025
Various velocity models have been built for Southeast Qinghai-Xizang Plateau with the purpose of revealing the internal dynamics and estimating local seismic hazards. In this study, we use a 3-D full-waveform...
Determination of surface-wave phase velocities by zeros of Aki’s spectrum of active-source records: Application to the dense array in Tongzhou, China
June 2025
The spatial autocorrelation (SPAC) (also known as the Aki’s spectral method) of ambient seismic noise has been widely adopted in surface wave phase velocity extraction. In two-dimensional cases, the...
Analysis on the characteristics and spatial distribution patterns of highway damage caused by the 2022 MS6.8 Luding earthquake
June 2025
On September 5, 2022, an MS6.8 earthquake struck Luding County, Kardze Prefecture, Sichuan Province—an area that is particularly vulnerable to geological changes. The earthquake caused considerable...
High-rate GNSS-based rapid determination of coseismic deformation and source characteristics for the 2023 M6.2 Jishishan earthquake
June 2025
An M6.2 earthquake struck Jishishan County, Gansu, on December 18, 2023, with its epicenter located in the arc-shaped tectonic belt formed by the Lajishan-Jishishan Fault. Continuous high-rate global...
Building the 3D seismic fault models for the 2021 MS6.4 Yunnan Yangbi earthquake: The potential role of pre-existing faults in generating unexpected moderate-strong earthquakes in southeast Xizang
June 2025
The three-dimensional (3D) geometry of a fault is a critical control on earthquake nucleation, dynamic rupture, stress triggering, and related seismic hazards. Therefore, a 3D model of an active fault...
Co-seismic P-wave velocity changes of 2023 Türkiye Earthquake Doublet
June 2025
On February 6, 2023, the Türkiye Earthquake Doublet, consisting of two major earthquakes with magnitudes of MW7.8 and MW7.5, respectively, occurred within 9 h and devastated the Kahramanmaraş province...
Surface-wave imaging with nonrandom traffic seismic sources
June 2025
Passive surface wave imaging has been a powerful tool for near-surface characterization in urban areas, which extracts surface wave signals from ambient seismic noise and then estimates subsurface shear...
Preliminary study of the tectonic structure and seismogenic environment of the M4.7 Feidong earthquake sequence on September 18, 2024 in Hefei
June 2025
At 20:08, on September 18, 2024, an M4.7 earthquake occurred along the Tanlu fault zone in the Feidong County of Hefei, Anhui Province. This earthquake is the largest event in the modern history of...
Multi-parameter modeling and analysis of ground motion amplification in the Quaternary sedimentary basin of the Beijing-Tianjin-Hebei region
April 2025
Basin effect was first described following the analysis of seismic ground motion associated with the 1985 MW8.1 earthquake in Mexico. Basins affect the propagation of seismic waves through various mechanisms,...
3D crustal density modeling of Egypt using GOCE satellite gravity data and seismic integration
April 2025
A 3D crustal model was constructed using a combination of cutting-edge techniques, which were integrated to provide a density model for Egypt and address the sporadic distribution of seismic data. These...