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...
NISAR observations of contracting dike-driven crustal deformation during the 2025 Hayli Gubbi Eruption, Afar
Available online 22 June 2026
The November 2025 eruption at Hayli Gubbi volcano in the Danakil Depression, Afar, represents the first opportunity to leverage newly operational NISAR data for investigating magmatic processes during...
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...
Coseismic deformation and slip distribution of the 2025 MW7.1 Dingri earthquake constrained by GNSS and InSAR observations
September 2026
On January 7, 2025, an MW7.1 earthquake struck Dingri County, Xigaze City, southern Xizang. The epicenter was located on the western side of the Dengme Co Fault (DMCF) in the southern segment of the...
Performance Evaluation of the Absolute Quantum Gravimeter AQG-B09 Observations for Post-Relocation Calibration of the Superconducting Gravimeter iGrav043
Available online 13 October 2026
This paper evaluates the performance of the Absolute Quantum Gravimeter AQG-B09 during a four-month co-location (4 Dec. 2024 to 8 Apr. 2025) with the superconducting gravimeter iGrav043 at Todenfeld...
3-D Moho architecture along the Sumatra oblique subduction margin: Insights from GOCE cross-gravity gradients
Available online 29 July 2026
Sumatra Island is an active subduction margin controlled by the subduction of the Indo-Australian Plate beneath Sundaland, oblique deformation, and the activity of the Great Sumatran Fault; thus, it...
Present-day crustal deformation in central Sumatra, Indonesia derived from GNSS observation and tectonic implications
January 2026
Central Sumatra, Indonesia, is historically known for its significant seismic activities, most notably the devastating 1883 earthquake. In this study, we measured the interseismic deformation using...
Present-day interseismic deformation in northern Sumatra and its seismic implications derived from GNSS data
Available online 14 October 2026
The Sumatra region exhibits a complex tectonic configuration resulting from the oblique subduction of the Indian/Australian plate beneath the Sunda Block. This process has generated several great earthquakes,...
The 28 March 2025 MW7.7 Myanmar earthquake revealed by InSAR and POT observations: A supershear event with no shallow slip deficit
May 2026
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...
Post-seismic deformation associated with the 2020 MW7.0 Samos (Aegean Sea) earthquake constrained by InSAR and GNSS observations
Available online 8 September 2026
This study investigates the post-seismic deformation following the October 30, 2020 MW7.0 Samos earthquake using Copernicus Sentinel-1 Interferometric Synthetic Aperture Radar (InSAR) time series and...
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...
Real-time atmospheric refraction coefficient determination using ERA5 reanalysis data for line-of-sight visibility and geodetic applications
Available online 10 October 2026
Atmospheric refraction is a fundamental source of systematic error in geodetic surveying, EDM, and line-of-sight visibility analysis. Practitioners assume κ = 0.13, a mid-twentieth-century average inappropriate...
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...
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...
Factors controlling induced earthquakes in Oklahoma
September 2026
Injection-induced earthquake (IIE) caused by human activities has become a global problem due to the increased magnitude and frequency in recent decades. However, not all injections can induce earthquakes,...
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...
GNSS time series analysis of the crustal movement network of China: Detecting the optimal order of the polynomial term and its effect on the deterministic model
July 2025
GNSS time series analysis provides an effective method for research on the earth's surface deformation, and it can be divided into two parts, deterministic models and stochastic models. The former part...
Improvements to regional geoid modelling using airborne vector gravimetry
Available online 28 August 2026
Airborne gravimetry conventionally measures only the vertical component of the gravity vector (scalar gravity), although modern airborne systems can now recover the full three-dimensional gravity vector....
Improving the accuracy of RTK positioning with the multipath hemispherical map model: A case study in GNSS landslide monitoring
Available online 21 August 2026
Landslides are destructive geological disasters that can cause heavy casualties and huge economic losses. Global navigation satellite system (GNSS) can provide real-time, continuous, and high-precision...
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...
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...
Spatiotemporal variation analysis of groundwater storage in the southeastern mountainous region of China based on GRACE data
July 2026
The southeastern mountainous (SEM) region of China has experienced significant fluctuations in groundwater levels since the early 21st century. Monitoring groundwater storage (GWS) dynamics and analyzing...
Vertical velocity analysis of Sumatra Island corrected by postseismic deformation and fault-locking elastic effects
Available online 23 June 2026
This study evaluates how correcting GNSS vertical velocities using viscoelastic postseismic and fault-locking elastic deformation models changes the interpretation of vertical land motion across Sumatra,...
Deformation monitoring of long-span railway bridges based on SBAS-InSAR technology
March 2024
The deformation monitoring of long-span railway bridges is significant to ensure the safety of human life and property. The interferometric synthetic aperture radar (InSAR) technology has the advantage...
Changes in permafrost distribution and geo-hazard susceptibility in the central Himalayas: Insights from machine learning and remote sensing techniques
Available online 25 September 2026
High-altitude Himalayan permafrost is rapidly degrading under sustained climate warming. This degradation generates increasing environmental and infrastructure hazards that require urgent, evidence-based...