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GeoSystems Engineering

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Geosystems Sensing and Analytics Laboratory (GeoSAL)



The Geosystems Sensing and Analytics Laboratory (GeoSAL) is housed at the Hearst Mining Building, about 1 min walk from Davis Hall. GeoSAL enables modern techniques for field characterization, in-situ testing, field sensing and monitoring of infrastructure and the geoenvironment.

GeoSAL promotes multi-scale, integrated, innovative sensing at the component (local) and system (regional) level. Key to leveraging the sensing capabilities is the ability to analyze big data collected by our sensors, robots and satellites using customized scripts and Artificial Intelligence algorithms.


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Field Equipment

GeoSAL houses a diverse and unique set of Field testing and Monitoring equipment that is used in support of our Research and Education Mission
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Virtual & Mixed Reality Hub

GeoSAL has in-house capabilities in support of Virtual Reality, Mixed Reality and Visualization projects. These capabilities are used in both research and teaching activities
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Sensor Development

GeoSAL has equipment and staff that support manufacturing (mechanical and electronics), development and placement of sensors
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Disasters Response Hub

GeoSAL support the Cal Geosystems team in immediate deployments to disaster affected areas. Our team has deployed to numerous locations globally and nationwide following earthquakes, huricanes, monsoons, floods and wildfires. Team members have a history of leadership with the GEER organization.
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Big Data Analytics

GeoSAL has ongoing research projects that focus harness the large amounts of data generated by sensors, robots and autonomous infrastructure. Such approaches are commonly AI-based and include Digital Twins methodologies, machine learning frameworks, digital image analysis algorithms, data fusion frameworks.

GeoSAL houses a diverse and unique set of Field testing and Monitoring equipment that is used in support of our Research and Education Mission.


Equipment capabilities include:

  • Equipment for subsurface characterization
  • A Dynamic Cone Penetrometer
  • A Dynamic Penetration Test
  • A wide range of survey-grade GPS systems
  • A fleet of Unmanned Aerial Vehicles
  • A range of optical, infrared and Laser sensors that are mounted on our robots
  • Distributed Fiber Optic Sensing
  • Terrestrial Light Detection and Ranging (LiDAR)
  • Electromagnetic Sensors
  • Seismic Geophysics equipment for Surface Waves: Microtremor Array Methods (Spatial Autocorrelation [SPAC] and frequency-wavenumber [ƒ-K]), Horizontal-to-Vertical Spectral Ratios (HVSR), Multichannel Analysis of Surface Waves (MASW), and frequency -controlled continuous sine wave Spectral Analysis of Surface Waves (SASW)
  • Seismic Geophysics equipment for Body waves: Seismic reflection and refraction tomography
  • Wireless Sensors for Wireless Sensor Networks
  • Computing Facilities for Data Analysis
  • Virtual and Mixed Reality Hub

If you are interested in collaborating with GeoSAL, please contact Prof. Dimitrios Zekkos or directly any of the Faculty members of the Geosystems Group.



Latest Research News


Dimitrios Zekkos to deliver 14th annual GZA lecture of the ASCE Metropolitan section on Seismic Response of Ports

Professor Dimitrios Zekkos will present the 14th Annual GZA Lecture hosted by the ASCE Metropolitan Section Geo-Institute of ASCE on the topic:  “Seismic Performance of Ports during the 2014 Cephalonia Earthquake: reconnaissance, field testing and numerical modeling"  The lecture will be held virtually on Thursday, February 15, 2024, at 6:00pm ET with 1 PDH offered. More information can be found here. You can regist ...

Athanasopoulos-Zekkos featured in The Geotechnical Engineering Podcast (TGEP)

Prof. Adda Athanasopoulos-Zekkos was a guest at The Geotechnical Engineering Podcast (TGEP) hosted by Jared Green and supported by the Engineering Management Institute.  Prof. Athanasopoulos-Zekkos covered several topics, including the critical issues surrounding the liquefaction of gravelly soils and the importance of equity in earthquake resilience as well as what inspired her to become a geotechnical engineer! You can listen at ...

The 2023 Geotechnical Engineering Research Symposium was a success!

The seventh annual UC Berkeley Geotechnical Engineering Research Symposium was held on November 17, 2023, at the Banatao Auditorium in Sutardja Dai Hall. The symposium showcased current research works in the GeoSystems Engineering group at UC Berkeley and bridged academic and industry communities.   The keynote speakers for the event were five Ph.D. researchers in the GeoSystems Engineering program. They presented their resea ...

BGC Engineering Joins UC Berkeley's Geosystems Corporate Partnership Program

The Geosystems program is pleased to announce that BGC Engineering has joined the program's Corporate Partnership at the Blue level. Through this partnership, BGC and UC Berkeley will establish strong ties and BGC will support graduate students in the Geosystems group. Matt Lato of BGC is the leading liaison along with UC Berkeley alumnus Scott Anderson. They will participate in a number of activities including the Industry Leadership Summit, ...

Geosystems PhD student Weibing Gong joins Faculty at Missouri Science and Technology

PhD student Weibing Gong completed his doctoral thesis in August and has already joined the Faculty of the Geosciences, Geological and Petroleum Engineering Department at Missouri Science and Technology as an Assistant Professor. Weibing's thesis was on "A Numerical Model for Regional-Scale Back-Calculation and Prediction of Earthquake-Induced Landslides" under the supervision of Professor Dimitrios Zekkos and Prof. Marin Clark from the Univ ...

We thank the following platinum and gold sponsors for supporting our students:

ENGEO ROCKRIDGE GEOTECHNICAL GEOSYNTEC