Review of the SBAS InSAR Time-series algorithms, applications, and challenges
March 2022
In the past 30 years, the small baseline subset (SBAS) InSAR time-series technique has emerged as an essential tool for measuring slow surface displacement and estimating geophysical parameters. Because...
InSAR time series analysis of natural and anthropogenic coastal plain subsidence: A case of Hangjiahu plain
September 2025
The early excessive groundwater exploitation caused extensive land subsidence in the Hangjiahu Plain (HJHP), threatening geological stability and infrastructure. Government restrictions on groundwater...
A review of tidal triggering of global earthquakes
January 2023
Earthquake prediction remains a challenging and difficult task for scientists all over the world. The tidal triggering of earthquakes is being proven by an increasing number of investigations, most...
Spatiotemporal evolution of long-term slow slip events at the Hikurangi subduction zone, New Zealand (2021–2023): Implications for seismic activity
July 2025
Various slow slip events (SSEs) with distinct characteristics have been detected globally, particularly in regions with dense Global Navigation Satellite Systems (GNSS) networks. In the Hikurangi subduction...
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...
Sedimentary facies interpretation of Gamma Ray (GR) log as basic well logs in Central and Lower Indus Basin of Pakistan
November 2016
Rocks and most type of soils emit Gamma Ray (GR) in varying amount. The emitting elements of primary gamma radiations include potassium 40, uranium, and thorium which are associated with rocks forming...
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...
Real-time retrieval of high-precision ZTD maps using GNSS observation
September 2025
Zenith Tropospheric Delay (ZTD) is an important factor that restricts the high-precision positioning of global navigation satellite system (GNSS), and it is of great significance in establishing a real-time...
Analysis of the effect of the 2021 Semeru eruption on water vapor content and atmospheric particles using GNSS and remote sensing
January 2024
Mount Semeru, an active volcano in East Java, Indonesia, erupted on December 4, 2021, following extreme rainfall that caused an avalanche of hot pyroclastic flows and lava. The tropospheric conditions...
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...
Kinematics of the Kashmir Himalaya: Inferences from geological and geodetic data
July 2025
The GPS data sourced from the permanent GPS network in the Kashmir Himalaya were utilized to quantify both vertical and horizontal deformation rates in the Kashmir Valley of the northwestern Himalaya....
InSAR coseismic deformation and seismogenic structure of the 2023 MW6.9 Tajikistan earthquake
September 2025
An earthquake of magnitude 6.9 occurred in Tajikistan on February 23, 2023. Studying this earthquake is the key to understanding the seismogenic structure of this area. The slip distribution of the...
A review of altimetry waveform retracking for inland water levels
July 2025
Reliable surface height observations over inland water bodies are useful for understanding the hydrological cycle. Satellite radar altimetry particularly contributed with its long-term archive and minimal...
A novel GNSS imaging method through velocity uncertainty based on Gaussian process regression and its evaluation
September 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...
Slip rate and locking degree of Haiyuan fault zone, northeastern Qinghai-Xizang plateau, based on refined block model and GPS data
September 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...
Performance of GPS and IMU sensor fusion using unscented Kalman filter for precise i-Boat navigation in infinite wide waters
May 2023
The Unmanned Surface Vehicle (USV) navigation system needs an accurate, firm, and reliable performance to avoid obstacles, as well as carry out automatic movements during missions. The Global Positioning...
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...
Excitation of long-period free oscillations by the 2011 Tohoku earthquake: Numerical experiments and influence of source parameters
September 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...
Refining GNSS-based water storage estimation: Improved hydrological signal extraction using principal component analysis
September 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...
Analysis of ionospheric disturbances due to earthquakes using 3D tomography models to test the height maximum of CID correlation in various regions
July 2025
Ionospheric disturbances caused by acoustic waves emitted during earthquakes were studied using the Global Navigation Satellite System (GNSS) to analyze the changes in total electron content (TEC) values....
Low orbit regional enhanced navigation constellation for BDS3 design based on Bayesian optimization algorithm
September 2025
The application of Low Earth Orbit (LEO) satellite navigation can enhance geometric structure, increase observations and contribute to navigation and positioning. To improve the performance of the navigation...
Non-negative least squares variance component estimation of mixed additive and multiplicative random error model
September 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...
Determination of altitudes of the three main Ecuadorian summits through GNSS positioning
July 2022
Determining the altitude of mountains is one of the most fundamental challenges for humankind. Therefore, the main objective of the study is to determine the altitudes of the three main summits in Ecuador...
Strain accumulation in the Mentawai Forearc Sliver, Indonesia, inferred from continuous GNSS-derived strain rate
January 2025
The Mentawai Forearc Sliver (MFS) is characterized by oblique deformation formed as slip partitioned between normal and parallel trench plate convergence. The surge of great earthquakes from 2004 to...
Interseismic and coseismic deformation of the 2023 Jishishan MS6.2 earthquake determined by GNSS and InSAR data
March 2025
Quantitative studies on the interseismic and coseismic deformation characteristics and analysis of the interplay between the seismogenic fault and neighboring faults are crucial for understanding the...