Static stress implications for Kīlauea volcano activity after the 2018 Hawai'i earthquake
Available online 3 June 2025
The MW6.9 thrust-faulting earthquake in Hawai'i on May 4, 2018, occurred near the Kīlauea shield volcano. We use 57-day-long continuous Global Positioning System (cGPS) data and 6-day-long semi-continuous...
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Performance of invariants of gravity gradient tensor in matching navigation: A case study in South China Sea
May 2025
Choosing appropriate background field data is crucial for gravity field matching navigation. Current research mainly uses gravity anomaly data or gravity gradient data as background fields. However,...
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Constructing seasonal records of Ross Ice Shelf elevation changes using ICESat altimetry data
May 2025
Ice shelves are important passageways for ice sheets flowing into the ocean. Through iceberg calving and basal melting, ice shelves exert considerable influence on the mass balance of the Antarctic...
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Real-time earthquake magnitude prediction using designed machine learning ensemble trained on real and CTGAN generated synthetic data
May 2025
The earthquake early warning (EEW) system provides advance notice of potentially damaging ground shaking. In EEW, early estimation of magnitude is crucial for timely rescue operations. A set of thirty-four...
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Numerical simulation of seismic stress evolution in the Lajishan Fault zone on the northeastern margin of the Qinghai-Xizang Plateau
May 2025
To analyze the triggering relationship of historical earthquakes to the 2023 Jishishan earthquake and estimate the seismic risk in the adjacent region after the earthquake, we calculate the evolution...
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Review of SAR imaging geodesy for glacier velocity monitoring
May 2025
The surface velocity is one of the most important characteristics of glaciers. Monitoring and mapping glacier movements are of great significance for the studies of sea-level rise, glacier mass balance...
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Impact of atmospheric noise on observing the slichter mode
May 2025
Atmospheric pressure fluctuations can result in long-period noise (T > 10 s) in gravity observations, and it is crucial to remove the atmospheric pressure effect for observing weak dynamic signals using...
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Dynamically and economically updating the National Elevation Datum with the assistance of InSAR: A case study in North China Plain
May 2025
Land subsidence significantly impacts the accuracy of the National Elevation Datum in China. In order to solve this issue, a dynamic and economical way was proposed to update the National Elevation...
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Integrating geodetic infrastructures for GNSS displacements analysis in Chile: A case study with REDGEOMIN (2019–2022)
May 2025
This article investigates crustal displacements in Chile between 2019 and 2022, a region marked by the interaction between three Plates. Utilizing the Red Geodésica para la Minería (Geodetic Network...
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Reconstruction of ionospheric VTEC using empirical orthogonal function and its performance during extreme geomagnetic storm
May 2025
This paper demonstrates that the spatial distribution of the ionospheric TEC over the Indian region can be reconstructed with appreciable accuracy using minimal numbers of empirical orthogonal functions...
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Resolution analysis of the gravity survey network in the middle and south sections of Tan-Lu fault and recent changes in the gravity field
May 2025
In this paper, we computed the fractal dimension of three survey areas within the central and southern sections of the Tan-Lu fault zone using fractal analysis. Subsequently, simulations were conducted...
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Assessing machine learning models to generate permafrost distribution map in Solukhumbu, Nepal
May 2025
Permafrost is one of the key components of the cryosphere. Previous studies show that the extent of permafrost has shifted to higher elevations in Nepal. These researches, however, has been hampered...
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Along-dipping Variations in Fault Geometry Influencing Shallow-Slip-Deficit during the 2021 MW7.4 Maduo Earthquake
Available online 30 May 2025
The shallow slip deficit (SSD) during strike-slip earthquakes raises a question of how the strain budget is accommodated over multiple cycles. However, the origin of variable SSD observed in different...
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Seismotectonic analysis of the December 2023 MS6.2 Jishishan earthquake: Insights from high-resolution DEM, aftershock relocation, and fault modeling
Available online 29 May 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...
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Evaluating global precipitable water vapor products from four public reanalysis using radiosonde data
Available online 27 May 2025
Precipitable Water Vapor (PWV) is a crucial parameter for short-term climate warnings and long-term climate monitoring. Due to their seamless spatiotemporal coverage, atmospheric reanalysis products...
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The complementary distribution of coseismic and slow-moving landslides along the transition between the Qinghai-Xizang plateau and Sichuan basin
Available online 14 May 2025
Landslides accompanying earthquakes are essential in landscape evolution along active fault zones. However, most studies focus on the rapid, catastrophic coseismic landslides with surface scars; the...
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Excitation of long-period free oscillations by the 2011 Tohoku earthquake: numerical experiments and influence of source parameters
Available online 6 May 2025
Long-period free oscillations provide robust information for the spatio-temporal characteristics of large earthquakes. In this study, we employ a normal-mode summation algorithm to generate three-component...
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A zenith wet delay improved model in China based on GPT3 and random forest
Available online 6 May 2025
Zenith wet delay (ZWD) is a key parameter for the precise positioning of global navigation satellite systems (GNSS) and occupies a central role in meteorological research. Currently, most models only...
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Slip rate and locking degree of Haiyuan fault zone, northeastern Qinghai-Xizang plateau, based on refined block model and GPS data
Available online 29 April 2025
As a major fault in the northeastern Qinghai-Xizang Plateau, the Haiyuan fault zone is important for understanding the regional deformation. Aiming at the differences in the slip rate and locking degree...
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An improved and robust method of estimating ice sheet elevation changes with ICESat-2 altimetry data
Available online 25 April 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...
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Investigating intraplate deformation in the West African region using GPS-based velocity models
Available online 24 April 2025
Intraplate deformation, influenced by tectonic, geological, and environmental factors, presents significant challenges for geodesy and geodynamics. This study focuses on quantifying intraplate deformation...
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Kinematics of the Kashmir Himalaya: Inferences from geological and geodetic data
Available online 18 April 2025
The GPS data sourced from the permanent GPS network in the Kashmir Himalaya was utilized to quantify both vertical and horizontal deformation rates in the Kashmir Valley of the northwestern Himalaya....
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Refining GNSS-based water storage estimation: Improved hydrological signal extraction using principal component analysis
Available online 15 April 2025
The Global Navigation Satellite System (GNSS) is vital for monitoring terrestrial water storage (TWS). However, effectively extracting hydrological load deformation from GNSS observations poses a significant...
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Non-negative least squares variance component estimation of mixed additive and multiplicative random error model
Available online 2 April 2025
In the variance component estimation (VCE) of geodetic data, the problem of negative VCE is likely to occur. In the ordinary additive error model, there have been related studies to solve the problem...
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A novel GNSS imaging method through velocity uncertainty based on Gaussian process regression and its evaluation
Available online 1 April 2025
Global Navigation Satellite System (GNSS) imaging method (GIM) has been successfully applied to global regions to investigate vertical land motion (VLM) of the Earth's surface. GNSS images derived from...
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