An improved and robust method of estimating ice sheet elevation changes with ICESat-2 altimetry data
November 2025
Elevation change monitoring of the Antarctic ice sheet has been a key issue in global change research. Satellite altimetry has been proven to be effective in detecting ice sheet variations. With the...
Analysis of the GNSS deformation of the 2025 Xizang Dingri M6.8 earthquake
Available online 22 November 2025
The study utilized GNSS observation data from 1999 to 2024 to investigate the crustal deformation characteristics near the epicenter of the Dingri earthquake. The results show that the GNSS horizontal...
The 28 March 2025 MW7.7 Myanmar earthquake revealed by InSAR and POT observations: A supershear event with no shallow slip deficit
Available online 21 November 2025
On 28 March 2025, a shallow devastating strike-slip earthquake with a moment magnitude (MW) of 7.7 struck Mandalay, the second-largest city in Myanmar, marking the most powerful seismic event in this...
Quality assessment of global gravity field models in the Antarctic region based on airborne gravity data
Available online 17 November 2025
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,...
Vertical gravity gradient modeling and its influence on gravity datum transfer
Available online 13 November 2025
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....
Improving BDS-2/3 satellite clock bias prediction using a TCN-Transformer framework with cross-attention mechanism
Available online 12 November 2025
Satellite clock bias (SCB) prediction is essential for enhancing the accuracy and reliability of real-time precise point positioning (RT-PPP) in Global Navigation Satellite Systems (GNSS). To address...
Seismological study of meta-instability of the Yangbi MS6.4 earthquake in 2021
Available online 11 November 2025
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...
Co-seismic gravity changes of the 2004 Sumatra-Andaman earthquake from different releases of GRACE monthly solutions
Available online 10 November 2025
The Gravity Recovery and Climate Experiment (GRACE) Level-2 products, i.e., monthly gravity field models expressed in spheric harmonic (SH) coefficients, have been released in several versions since...
Integrated gravity, GNSS, and seismic analysis for fault mapping in sulawesi island: Insights into the Palu-Koro Fault
Available online 10 November 2025
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
Available online 6 November 2025
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...
Post-seismic Coulomb stress simulation and seismic hazard analysis of the 2025 Myanmar MW7.7 earthquake
Available online 31 October 2025
On March 28, 2025, an MW7.7 earthquake struck Myanmar, with the epicenter located in the central segment of the Qinghai–Xizang–Yunnan–Myanmar–Indonesia η-type structure. This region hosts a series of...
New and updated long-periodic terms in harmonic development of the earth tide-generating potential
Available online 31 October 2025
We present a new harmonic development of the long-periodic band of the Earth tide-generating potential (TGP). It updates the corresponding part of the previous TGP expansion, KSM03, and includes 38...
A new model for estimating atmospheric weighted mean temperature from radiosonde and multi-mission GNSS radio occultation data
Available online 30 October 2025
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...
Shallow coseismic slip and downdip afterslip associated with the 2022 MW6.7 Menyuan (China) earthquake
Available online 30 October 2025
Investigating the spatial distribution of coseismic rupture, postseismic afterslip, and their interactions is essential for understanding the heterogeneous frictional characteristics of faults, and...
Spatiotemporal dynamics of groundwater storage inferred from MT-InSAR and hydraulic head data in Anyang–Puyang Plain
Available online 30 October 2025
Groundwater overexploitation in northern Henan Province has led to significant land subsidence and aquifer degradation. This methodologically driven study proposes a physically consistent framework...
Fault model and slip distribution of the 2025 MW6.0 Chiayi earthquake in southern Taiwan, China, constrained by InSAR observations
Available online 30 October 2025
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...
Geodetic slip rate and seismogenic depth of unmapped active faults in Yogyakarta, Indonesia, inferred from dense Global Navigation Satellite System campaign observation
Available online 29 October 2025
Yogyakarta was struck by a devastating MW6.3 earthquake, which intensified awareness about the seismic hazards in the region. This study investigates the kinematic slip rate and seismogenic depth of...
A comparison of hydrological loading deformations from GRACE mascon and load models with reprocessed IGS station positions
Available online 27 October 2025
Global Navigation Satellite System (GNSS) observations are critical for establishing high-precision terrestrial reference frames (TRF), but the environmental loading effects, particularly hydrological...
Impact of flex power on inter- and intra- differential code bias variation
Available online 21 October 2025
Differential Code Bias (DCB) is the time delays between two different GNSS signals, which is crucial for GNSS positioning. Previous studies have shown that it can be significantly affected by the flex...
Predicting BDS-3's short-term clock bias using the RIME-WNN model
Available online 17 October 2025
Aiming at the problems that the clock bias prediction model of the Wavelet Neural Network (WNN) is greatly affected by the selection of network parameters, and the Particle Swarm Optimization Wavelet...
Extraction and identification of transient deformation after the Ludian earthquake
Available online 15 October 2025
This study investigates the transient deformation signals associated with the Ludian M6.8 earthquake, which occurred on June 22, 2014, in southwestern China, using Global Navigation Satellite System...
Slow slip events detection algorithm based on an optimization-based signal decomposition framework: A case study in Cascadia zone
Available online 14 October 2025
Slow Slip Events (SSEs) are critical for understanding subduction zone tectonics and earthquake prediction; however their detection is challenged by low-magnitude-offsets and data gaps. To address these...
The 0S0 fundamental mode excited by Sumatra-Andaman earthquake: Parameters assessment using the maximum likelihood method
Available online 6 October 2025
This paper presents new estimations for all parameters (amplitude, frequency, quality factor, and initial phase) of the 0S0 Earth fundamental mode, which was triggered by the 2004 Sumatra-Andaman earthquake...
Sea level rise in the Baltic Sea: Data from Estonian coastal tide gauges over 30 years
Available online 4 October 2025
This study investigates the rate of sea level rise along the Estonian coastline of the Baltic Sea over the three decades (1993–2022) using tide gauge data and advanced analytical methods. Tide gauge...
Seismotectonic analysis of the December 2023 MS6.2 Jishishan earthquake: Insights from high-resolution DEM, aftershock relocation, and fault modeling
September 2025
The December 18, 2023, MS6.2 Jishishan earthquake occurred along the northeastern margin of the Qinghai-Xizang Plateau within the Laji–Jishi Shan Fault Zone (LJSFZ), a complex thrust-dominated tectonic...
