Earthquake deformation
Fault slip and deformation before, during and after earthquakes, observed with InSAR and GNSS.
Geodesy · Seismology · Remote sensing
Eng.Anas Osman
PhD Researcher in Geodesy & Seismology
Surveying Engineer
University of Chinese Academy of Sciences
Innovation Academy for Precision Measurement Science and Technology, CAS
I use InSAR and GNSS to study how the Earth's crust moves before, during and after earthquakes, how faults slip, and how earthquakes influence nearby faults. My work also draws on remote sensing, GIS and gravimetric geoid modelling.
Excellent Poster Award · Geodesy & Geodynamics / TibXS, 2025
AO
Based in Wuhan, ChinaExpected PhD completion: July 2027
Research focus
Reading the Earth’s movements
Remote sensing & GIS
Satellite imagery, radar interferometry, deformation time series and geospatial analysis.
Physical geodesy
Gravimetric geoid modelling, gravity-field analysis and evaluation of geopotential models.
Published work
Recent research
Wushi earthquake sequence
Coseismic rupture, afterslip and aftershock interactions following the 2024 Mw 7.1 earthquake.
Read the paperSlip through the earthquake cycle
Interseismic, coseismic and early postseismic slip associated with the 2025 Mw 8.8 Kamchatka earthquake.
Read the paperResearch and collaboration
Interested in geodesy, earthquake deformation or geospatial engineering? Let’s get in touch.
Research interests
Understanding the Earth through satellite and geodetic observations.
Earthquake-cycle geodesy
Interseismic strain, coseismic slip and postseismic deformation, including afterslip, aftershock triggering and stress transfer between faults.
Remote sensing & GIS
Satellite imagery and radar interferometry for deformation time series, land subsidence and geospatial analysis.
Physical & satellite geodesy
Gravimetric geoid modelling, gravity-field analysis and evaluation of global geopotential models using terrestrial and satellite observations.
Work in progress: Four additional research manuscripts are in progress or under review.
Selected studies
Wushi earthquake sequence
Coseismic rupture, afterslip and aftershock interactions following the 2024 Mw 7.1 earthquake.
Read the paperSlip through the earthquake cycle
Interseismic, coseismic and early postseismic slip associated with the 2025 Mw 8.8 Kamchatka earthquake.
Read the paperGravity and geoid modelling
Evaluation of global geopotential and elevation models against terrestrial gravity and GNSS/levelling observations in Sudan.
Read the paperLand deformation and land cover
Multi-temporal analysis of land surface deformation in relation to land use and land cover in Makassar City.
Read the paperPublications
Five journal articles and three conference papers. My name is highlighted in the author lists.
8 of 8 publications
2026
Journal article
doi:10.3390/rs18162739
Interplay of Coseismic Rupture, Afterslip, and Aftershocks Associated with the 2024 Mw 7.1 Wushi Earthquake
Remote Sensing, 18(16), 2739
2026
Journal article
doi:10.1029/2025GL121473
Interseismic, Coseismic, and Early Postseismic Slip Associated With the 2025 Mw 8.8 Kamchatka Earthquake
Geophysical Research Letters
2026
Journal article
doi:10.25105/urbanenvirotech.v9i1.23368
Multi-Temporal Identification and Analysis of Land Surface Deformation with Land Use Land Cover in Makassar City
Indonesian Journal of Urban and Environmental Technology, 9(1), 40–60
2025
Journal article
doi:10.1515/jag-2024-0006
Regional evaluation of global geopotential models and three types of digital elevation models with ground-based gravity and GNSS/levelling data using several techniques over Sudan
Journal of Applied Geodesy, 19(1), 25–48
2023
Conference paper
doi:10.1088/1755-1315/1127/1/012014
Determination of a new gravimetric geoid modelling for Sudan using the least-squares collocation technique
IOP Conference Series: Earth and Environmental Science, 1127(1), 012014
2021
Journal article
Accuracy Investigation of the Three-Point Resection Method Through the Distribution of Control Points Across Four Quadrants
Journal of Marine-Earth Science and Technology
Based on my BSc thesis.
doi:10.12962/j27745449.v2i2.1012021
Conference paper
doi:10.1088/1755-1315/936/1/012035
Assessment of high-degree reference models and Recent Goce/Grace Global Geopotential Models over Sudan based on the GPS/Leveling data
IOP Conference Series: Earth and Environmental Science, 936(1), 012035
2021
Conference paper
doi:10.1088/1755-1315/936/1/012029
Geoid Modelling of Kalimantan Island using Airborne Gravity Data and Global Geoid Model (EGM2008)
IOP Conference Series: Earth and Environmental Science, 936(1), 012029
No publications match this search.
Education & experience
A background in surveying and geomatics, followed by doctoral research in earthquake deformation.
Education
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Sep 2023 – Jul 2027 (expected)
PhD, Geodesy and Surveying Engineering
University of Chinese Academy of Sciences (UCAS), Beijing, China
Doctoral research host since January 2024: Innovation Academy for Precision Measurement Science and Technology, CAS, Wuhan. PhD qualification examination passed in June 2024.
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Jul 2020 – Aug 2022
Master of Engineering, Geomatics Engineering
Institut Teknologi Sepuluh Nopember (ITS), Surabaya, Indonesia
Cum laude · CGPA 3.86/4.00. Department of Geomatics Engineering.
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2012 – 2017
BSc (Honours), Surveying Engineering
Omdurman Islamic University, Sudan
Second Class, Division One. Faculty of Engineering Sciences.
Research experience
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Jan 2024 – Present
Doctoral Research, Geodesy and Seismology
Innovation Academy for Precision Measurement Science and Technology, CAS
- Investigate earthquake-cycle deformation using InSAR and GNSS, with published work on the Wushi and Kamchatka earthquake sequences.
- Model coseismic slip and afterslip; study earthquake interactions using Coulomb stress changes and aftershock distributions.
- Four additional research manuscripts are in progress or under review.
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Jul 2020 – Aug 2022
Master’s Research, Gravimetric Geoid Modelling
Institut Teknologi Sepuluh Nopember (ITS)
- Developed a regional gravimetric geoid model for Sudan using least-squares collocation.
- Evaluated global geopotential and digital elevation models against terrestrial gravity and GNSS/levelling observations.
Professional experience
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Sep 2022 – Nov 2024
Adjunct Lecturer · Part-time
Department of Surveying Engineering, Omdurman Islamic University, Sudan
Taught undergraduate courses and supervised final-year projects and BSc theses.
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Dec 2017 – Dec 2018
Surveying Engineer · Contract
Dar Consult, Khartoum, Sudan
Consultant surveying engineer on road and bridge projects; modified engineering designs and supervised contractors during site implementation.
Technical skills
Methods and tools for geodetic research, geospatial analysis and surveying engineering.
Geodesy & seismogeodesy
InSAR processing and time-series analysis (SBAS, PS-InSAR); GNSS data processing; deformation monitoring; coseismic and postseismic modelling; finite-fault inversion; Coulomb stress and elastic dislocation modelling; gravimetric geoid modelling; least-squares adjustment and uncertainty analysis.
Remote sensing & GIS
Satellite image processing; SAR interferometry; LiDAR point-cloud processing; digital elevation model generation; geospatial data processing and analysis.
Programming & scripting
MATLAB and Python for scientific analysis; Bash shell scripting; Git version control; Linux/Unix environments.
Machine learning & AI
Machine learning and artificial intelligence applied to geoscience data.
Research software
Tools for radar interferometry, GNSS processing, fault-slip modelling and physical geodesy.
Visualisation & documentation
Scientific maps, figures and research documentation.
Surveying engineering
GNSS RTK, total station, levelling, topographic surveys, setting out, network adjustment and surveying data processing.
Soft skills
Time management; problem-solving; work ethic; presentation and communication; teamwork; quick learning and adaptability; research and analytical thinking; creativity.
Conferences & training
Research presentations and professional development in satellite observations, geodesy and engineering.
Academic conferences & presentations
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14th International Workshop on TibXS
Kunming, China · 10–14 August 2026
Presenter
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Joint Geodesy and Geodynamics Symposium & 13th TibXS Workshop
Xining, China · 1–4 August 2025
Poster presentation · Excellent Poster Award
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GGOS Days 2024
Global Geodetic Observing System · International Association of Geodesy
Participant
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Geomatics International Conference (GEOICON 2022)
ITS, Indonesia · Sudan gravimetric geoid modelling using least-squares collocation
Presenter
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Geomatics International Conference (GEOICON 2021)
ITS, Indonesia · Geospatial solutions for hazards and disaster management
Presenter
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Joint International Conference on Civil, Environmental and Geo Engineering
Institut Teknologi Sepuluh Nopember, Indonesia
Presenter
Selected training & professional development
Satellite observations, remote sensing & GIS
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Nov 2025
COMET InSAR Training Workshop
Centre for Observation and Modelling of Earthquakes, Volcanoes and Tectonics, UK.
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Apr 2024
Advanced InSAR and Data Analytics for Civil Engineering
AGS, Hong Kong · construction-site risk reduction and long-term asset monitoring.
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Mar/Jun 2024
From Space to Screen: Satellite Imagery in ArcGIS
Esri · accessing and tasking satellite imagery.
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Mar 2024
NOAA SatBathy: Satellite-Derived Bathymetry
NOAA · automated bathymetry from satellite observations.
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May 2019
Cartography
Esri.
GNSS, gravity & seismology
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2020–2024
GNSS positioning, time series & observation planning
NOAA NGS / COMET · noise analysis, orbit determination, multi-GNSS positioning, space weather, antenna calibration and survey planning.
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2024
EarthScope Seismology Skill Building Workshop
EarthScope Consortium / Miami University · Linux, shell scripting, GMT and introductory SAC tutorials.
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2022–2024
Geoid and gravity training
NOAA NGS / COMET · Geoid Monitoring Service (GeMS), Gravity for Geodesy II and GEOID2022.
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Selected webinars
NOAA National Geodetic Survey webinars
OPUS, CORS, reference-system modernisation, absolute gravity, geoid change and sea-level observations.
Research practice & engineering
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2024–2025
Peer review, open science & scientific writing
Researcher Academy / University of Nottingham · manuscript preparation, publication ethics, research metrics and journal selection; systematic-review training (June 2024).
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Jan/Feb 2019
Engineering software & quantity surveying
Zoohal Engineering and Training Center · AutoCAD Civil 3D, Primavera P6, PlanSwift, earthworks, Excel quantity surveying, project costs and contracts.
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Aug–Sep 2014
Practical surveying training
Sudan Survey Authority · digital levelling, Leica total station, GPS fundamentals, data transfer and field surveying.
About me
A Sudanese engineer and researcher based in Wuhan, China.
My studies and work have taken me from Sudan to Indonesia and China. I combine a practical surveying background with research in geomatics, physical geodesy and earthquake deformation.
Outside research, I enjoy learning languages, travel and cultural exchange, reading about science and technology, photography, football, hiking and field exploration.
- Nationality
- Sudanese
- Based in
- Wuhan, Hubei, China
- From
- Khartoum, Sudan
- PhD completion
- July 2027 (expected)
Languages
- Arabic
- Native or bilingual
- Nubian languages
- Native or bilingual
- English
- Full professional proficiency
- Chinese
- Elementary proficiency
- Indonesian
- Elementary proficiency
Academic service
Reviewer, Journal of Marine-Earth Science and Technology
May 2023 – Present
Professional registration
Graduate Engineer (Surveying), Sudan Engineering Council · April 2018.
EC/ER/GE/55449
Awards & scholarships
Recognition for research presentations and academic achievement.
Excellent Poster Award
Joint Geodesy and Geodynamics Symposium & 13th TibXS Workshop · Xining, China.
ANSO-CAS-TWAS/UNESCO PhD Scholarship
ANSO Scholarship for Young Talents · ANSO, Chinese Academy of Sciences and TWAS/UNESCO.
Master of Engineering with Cum Laude
Institut Teknologi Sepuluh Nopember · CGPA 3.86/4.00.
KNB Scholarship for Master’s Studies
Indonesian Government · master’s studies in Geomatics Engineering at ITS.
Academic Excellence Award, Surveying Engineering
Omdurman Islamic University · highest semester-10 performance and second-best overall fifth-year result (2016/2017).
Get in touch
Research collaboration, academic enquiries and geospatial engineering opportunities.
I welcome conversations about earthquake geodesy, satellite observations, GIS and gravimetric geoid modelling. You can reach me by email or through my professional profiles.