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ISSN: 1674-9847
CN: 42-1806/P
e-ISSN: 2589-0573

Review of the SBAS InSAR Time-series algorithms, applications, and challenges

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

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

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...

Sedimentary facies interpretation of Gamma Ray (GR) log as basic well logs in Central and Lower Indus Basin of Pakistan

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...

Multi-temporal InSAR analysis for assessment of earthquake precursory deformation

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...

The complementary distribution of coseismic and slow-moving landslides along the transition between the Qinghai-Xizang plateau and Sichuan basin

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...

Strain rate of Boso slow slip events related to seismic activity after 2011 using GNSS data

The March 11, 2011, MW9.0 Tohoku-Oki earthquake, in Japan, caused rapid strain release near the epicenter, while the Boso Peninsula, located farther away, experienced stress redistribution, leading...

Evaluating global precipitable water vapor products from four public reanalysis using radiosonde data

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...

An improved and robust method of estimating ice sheet elevation changes with ICESat-2 altimetry data

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 effect of the 2021 Semeru eruption on water vapor content and atmospheric particles using GNSS and remote sensing

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...

Real-time earthquake magnitude prediction using designed machine learning ensemble trained on real and CTGAN generated synthetic data

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...

Evaluating Euler pole parameters for the north American terrestrial reference frame of 2022

Euler Pole Parameters (EPPs) were estimated for the new plate-fixed North American Terrestrial Reference Frame of 2022 (NATRF2022) based on the spherical model of Earth using different sets of continuously...

Improved sparrow search algorithm for inversion of geometric parameters of earthquake source faults

With the continuous improvement of the accuracy of geodetic deformation data, the inversion of seismic source parameters puts forward a higher demand for nonlinear inversion algorithms. In this research,...

Real-time retrieval of high-precision ZTD maps using GNSS observation

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...

Review of SAR imaging geodesy for glacier velocity monitoring

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...

Static stress implications for Kīlauea volcano activity after the 2018 Hawai'i earthquake

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...

Evidences of the expanding Earth from space-geodetic data over solid land and sea level rise in recent two decades

According to the space-geodetic data recorded at globally distributed stations over solid land spanning a period of more than 20-years under the International Terrestrial Reference Frame 2008, our previous...

InSAR coseismic deformation and seismogenic structure of the 2023 MW6.9 Tajikistan earthquake

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...

Investigating intraplate deformation in the West African region using GPS-based velocity models

Intraplate deformation, influenced by tectonic, geological, and environmental factors, presents significant challenges for geodesy and geodynamics. This study focuses on quantifying intraplate deformation...

The 28 March 2025 MW7.7 Myanmar earthquake revealed by InSAR and POT observations: A supershear event with no shallow slip deficit

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...

Seismotectonic analysis of the December 2023 MS6.2 Jishishan earthquake: Insights from high-resolution DEM, aftershock relocation, and fault modeling

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...

A new model for estimating atmospheric weighted mean temperature from radiosonde and multi-mission GNSS radio occultation data

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...

Performance of GPS and IMU sensor fusion using unscented Kalman filter for precise i-Boat navigation in infinite wide waters

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...

Spatiotemporal evolution of long-term slow slip events at the Hikurangi subduction zone, New Zealand (2021–2023): Implications for seismic activity

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...

Strain accumulation in the Mentawai Forearc Sliver, Indonesia, inferred from continuous GNSS-derived strain rate

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...

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