Quality assessment of global gravity field models in the Antarctic region based on airborne gravity data
May 2026
As the largest ice sheet storage area in the world, Antarctica's gravity field characteristics are key data for studying ice sheet mass balance, sea level changes, and polar resource exploration. However,...
Fault model and slip distribution of the 2025 MW6.0 Chiayi earthquake in southern Taiwan, China, constrained by InSAR observations
May 2026
On January 20, 2025, an MW6.0 earthquake occurred in Chiayi County, southwestern Taiwan, China. In this study, we utilize Sentinel-1 data to investigate the coseismic ground displacement and fault slip...
Seismological study of meta-instability of the Yangbi MS6.4 earthquake in 2021
May 2026
Meta-instability is an irreversible precursor of earthquakes. To identify the meta-instability precursor of the Yangbi MS6.4 earthquake (99.87°E, 25.67°N) that occurred on May 21, 2021, we selected...
Vertical gravity gradient modeling and its influence on gravity datum transfer
May 2026
In the past, the free-air gradient −308.6 × 10−8 s−2 was used as the vertical gravity gradient of the measuring point in gravity data processing, which resulted in inaccurate instrument height corrections....
Integrated gravity, GNSS, and seismic analysis for fault mapping in Sulawesi island: Insights into the Palu-Koro Fault
May 2026
The Palu-Koro Fault is one of the most active left-lateral strike-slip faults in Indonesia. This study integrates gravity data (GGMPlus), GNSS measurements, and seismic analysis to better understand...
Multi-temporal InSAR analysis for assessment of earthquake precursory deformation
May 2026
Ground deformation is a key parameter in interpreting precursory stress and strain patterns and provides valuable information for seismic studies. Interferometric Synthetic Aperture Radar (InSAR) is...
A sequential Monte Carlo framework for the physical modeling of post-seismic transients
Available online 30 May 2026
Post-seismic deformation encompasses the complex adjustment of the crust and upper mantle following large earthquakes, often continuing for years to decades. Accurately modeling these transients remains...
The Huarpe hidden aseismic ridge and its exhumation and mineralization effects in the central Andes
Available online 29 May 2026
The subduction of oceanic plate heterogeneities—drives profound tectonic and metallogenic modification of the overriding upper plates. Along the central Chile-Argentinean subduction margin, the collision...
Intraplate strain rate variations associated with reservoir-triggered seismicity: A case study from Koyna, Western India
Available online 26 May 2026
The Koyna-Warna Seismic Zone (KWSZ) of western India is considered as a classical intraplate site to study reservoir-triggered seismicity (RTS). The area has been seismically active for more than six...
Structure of the Lomas de Olmedo sub-basin (Salta rift) and synorogenic deposits in the Central Andes based on gravity data
Available online 23 May 2026
Northwestern Argentina in the Andean retroarc zone hosts Paleozoic, Cretaceous–Paleogene rift, and Paleogene-Neogene foreland units, representing the main hydrocarbon potential of the Central Andes....
Seismic barrier for MW >8 earthquakes acting as asperity for MW about 7 at the Atiquipa region (southern Peru) from satellite GOCE data
Available online 21 May 2026
Mapping and modeling the heterogeneities distributed along the megathrust region in subduction zones is a key factor in understanding the seismic cycle and studying earthquake rupture behavior. Heterogeneities...
Wavelet-based fusion of altimetry-derived and shipborne gravity data around Egypt
Available online 15 May 2026
This study presents a wavelet-based fusion approach for enhancing the marine gravity field over the Red and Mediterranean Seas around Egypt by integrating altimetry-derived free-air gravity (AFAG) and...
Research on the mode of shipborne strapdown gravimetry based on SINS/GNSS
Available online 15 May 2026
The measurement mode is one of the main factors affecting the performance of shipborne strapdown gravimetry. However, the applicability of existing gravimetry modes in shipborne applications remains...
Low-cost PPP/visual/IMU fused positioning method based on factor graph optimization under complex urban environments
Available online 15 May 2026
With the development and application of autonomous driving technology, high-precision positioning and navigation services have played an increasingly important role in complex urban environments. The...
Feasibility study of gravity gradient measurement based on multi-rotor UAV platform
Available online 27 April 2026
To validate the feasibility of gravity gradient measurements using the ZL11-4C gravimeter mounted on the FC-30 unmanned aerial vehicle (UAV) platform, this study conducted vertical take-off and landing...
On estimating period and quality factor of Chandler wobble
Available online 21 April 2026
While numerous studies have been dedicated to the determination of Chandler wobble parameters, namely its period TCW and quality factor QCW, most of their results lack self-consistency. We proposed...
Study on the length of day variation by combining Singular Spectrum Analysis and least-squares fitting
Available online 21 April 2026
It is already known from the 20th century that the angular velocity of the Earth is not fixed but shows some fluctuations. By extension, the length of the day varies over the years. The objective of...
BDS and ultra-high rate GNSS in monitoring coseismic dynamic motions of the 2022 Luding MW6.8 and 2025 Dingri MW7.1 earthquakes in China
Available online 21 April 2026
High-rate Global Navigation Satellite Systems (hrGNSS) provide clip-free, geodetically referenced displacement time series that are valuable for resolving near-field earthquake dynamics. Here, we analyze...
Enhanced BDS-3/GNSS satellite clock offset prediction: A sliding-window optimized cascaded LSTM+MLP architecture
Available online 20 April 2026
The performance of real-time satellite clock offset products directly impacts the service quality of high-precision positioning, navigation, and timing (PNT). To address existing issues in current clock...
Role of crustal structure in geodynamic evolution and seismogenesis in the eastern Indo-Gangetic Foreland Basin and Himalayan collision zone
Available online 14 April 2026
The incessant convergence between the Indian and Eurasian plates has significantly altered the crustal thicknesses of the Indian subcontinent since their collision and formed one of the most dynamically...
A frequency-domain parameter-reduction framework for Bayesian coseismic slip inversion: Application to the 1973 MS7.5 Luhuo (China) earthquake
Available online 11 April 2026
The Bayesian inversion framework is a powerful framework for solving nonlinear inversion problems, but its application to fault slip inversion is often hindered by high computational costs. In this...
Accuracy evaluation of multi-rotor UAV gravity data
Available online 8 April 2026
Unmanned aerial vehicle (UAV) gravity measurement is a novel measurement method that utilizes UAV platforms equipped with gravimeters to collect aerial gravity data. It is characterized by flexibility,...
Land subsidence characteristics in Tianjin based on multi-source data
Available online 7 April 2026
Land subsidence is a widespread geological hazard, and Tianjin is one of the cities in China severely affected by it. Studying the characteristics of surface deformation helps in understanding the distribution...
A new model for estimating atmospheric weighted mean temperature from radiosonde and multi-mission GNSS radio occultation data
March 2026
In Global Navigation Satellite System (GNSS) meteorology, the atmospheric weighted mean temperature (Tm) is a critical intermediate parameter for converting zenith wet delay (ZWD) to precipitable water...
