Investing in the planet through improved hazard resiliency and water supply

Friday, April 21, 2023

This free webinar, featuring two Geoscientists without Borders® (GWB) humanitarian projects, provides information about how these projects are helping to increase resiliency to geologic hazards in Guatemala and improving potable water access and supply for communities in northeastern Ghana. By helping these communities address their challenges, these GWB projects are helping to invest in the planet. Our speakers are Steven L. Roche, Co-Investigator, Hearts in Motion, and Elikplim Abla Dzikunoo, Lecturer, Department of Earth Science, University of Ghana.

About the speakers

Increasing Natural Hazard Resiliency in Guatemala

Steven L. Roche, Co-Investigator, Hearts in Motion, will discuss the GWB project, Increasing Natural Hazard Resiliency in Guatemala, which aims to increase the geohazard resiliency and safety of the communities in Guatemala through implementing community-based educational workshops about earthquake and volcanic hazards, increasing Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)'s seismic and volcanic monitoring capacity, and reducing disaster response time by using the implementation of a regional seismic array consisting of low-cost "Raspberry Shake" 3C seismometer stations in Zacapa near the Motagua-Polochic fault system and significantly improve INSIVUMEH's earthquake and volcanic monitoring infrastructure including Early Warning Systems (EWS).

Provision of potable water to communities in northeastern Ghana

Elikplim Abla Dzikunoo, Lecturer, Department of Earth Science, University of Ghana, will discuss the GWB project, Provision of potable water to communities in northeastern Ghana, which aims to improve potable water access and supply for the benefit and socio-economic wellbeing of inhabitants based on scientific data and recommendation on sustainable exploitation, development, and management of groundwater resources in areas within the Nasia river basin, northeastern Ghana. This was done by using Electrical Resistivity Tomography techniques to define and interpret geo-electric sections and models to show the subsurface lithology distribution, and provide scientific data that will inform groundwater management policy decision making and improve access to potable water resources by the communities of study area.To build on the knowledge of the areas geology and offer a better understanding of the underlying complexities, lithologic logging was done during drilling followed by geophysical logging after drilling which offer improved resolutions of the subsurface geologic complexities.

For more information about these and other GWB humanitarian geoscience projects, please visit: https://seg.org/gwb, follow us on social media, GWBatSEG and email at withoutborders@seg.org.


Disaster Risk Reduction: The role of geological survey organizations in understanding risk and informing risk reduction actions

Monday, February 6, 2023

Geological Survey Organizations (GSOs) play a critical role in understanding geo-hazards and risks as a required component for designing and implementing disaster risk management policies and programs. This forum will provide three virtual workshops to support the exchange of information among executives and senior managers on the role of GSOs in Disaster Risk Reduction (DRR) at a National Level. The forum will provide a high level overview of the role of GSOs in disaster risk reduction, including strategies, awareness of and advocacy on hazards and risks, financial risk management, building codes, and early warning systems.

The forum will also provide an overview of the range of national interinstitutional governance structures within which GSOs function, in the context of national level DRR and climate change adaptation policy settings. Speakers will discuss the common challenges and opportunities for effective use of hazard and risk assessments in national DRR policies, investments, and programs, identify gaps and enablers for enhancing the role of GSOs in DRR, and evaluate how the focus and investments in climate adaptation can be a threat but also an opportunity for enhancing geo-risk awareness and resilience measures.

The forum will be hosted as a set of three regional sessions, with each regional forum featuring pre-recorded lectures from science policy experts and geoscientists and a live moderated discussion session with attendees.

All sessions will be conducted in English with live captioning in French, Spanish, Portuguese, Russian, Modern Chinese, and Arabic.

Please contact Sahar Safaie at sahar.safaie@sageonearth.ca with any questions about this forum.

Session Agenda

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Part I: The Enablers: Mechanisms that facilitate GSOs' role in disaster and climate risk management
06 February 2023  13.00 - 16.00 GMT

 YouTube download icon  View presentations and discussion session

13:00 GMT     Welcoming remarks from WCOGS- GSC (event sponsor)
Sonia Talwar, Director – Pacific Division, Geological Survey of Canada, Natural Resources Canada

13:05 GMT    Remarks from UN Office for Disaster Risk Reduction (UNDRR)
Paola Albrito, Director, UNDRR

13:10 GMT    Setting the context: The role of GSOs in Disaster Risk Reduction & what we heard from GSOs around the world.
Sahar Safaie, Disaster and Climate Risk Management Specialist / Founder, Sage On Earth Consulting


13:30 GMT    Panel 1: National governance mechanisms that enable GSO’s role in disaster risk reduction
John Schneider, Secretary General, Global Earthquake Model (GEM) Foundation (Chair)

Malaika Ulmi, Public Safety Geoscience Program Manager, Geological Survey of Canada, Natural Resources Canada   pdf download iconView Slides
Matt Godsoe, Director of the Resilience and Economics Integration Division, Public Safety Canada   pdf download iconView Slides
Mike Grimm, Assistant Administrator for the Risk Management Directorate within the Federal Emergency Management Agency (FEMA)


14:40 GMT     Panel 2: Case studies on the importance of good governance for understanding hazards/risk and the use of information in disaster risk reduction
Sonia Talwar, Director – Pacific Division, Geological Survey of Canada, Natural Resources Canada (Chair)

Richard Robertson, Professor of Geology, The UWI Seismic Research Centre    pdf download iconView Slides
John Rees, Chief Scientist, British Geological Survey (BGS)
Daniela Di Bucci, Structural Geologist, International Relations and Activities Unit of the Italian Civil Protection Department (Presidency of the Council of Ministers)   pdf download iconView Slides
Jethro B. Capino, Geologist, Department of Environment and Natural Resources - Mines and Geosciences Bureau (DENR-MGB), the Philippines
Liza Socorro Manzano, Chief Geologist at DENR-MGB   pdf download iconView Slides


15:55 GMT     Closing
Sonia Talwar, Director – Pacific Division, Geological Survey of Canada, Natural Resources Canada


Part II: The Science and Technology: Advancing methods, tools, and capabilities in hazard and risk assessment
13 February 2023  16.00 - 19.00 GMT

 YouTube download icon  View presentations and discussion session

16:00 GMT     Welcoming remarks from WCOGS- US Geological Survey (USGS)
William Cunningham, Director, Office of International Programs, USGS

16:05 GMT     Overview of the Global Earthquake Model and the lessons learned about partnerships at local, national, regional and global level
John Schneider, Secretary General, Global Earthquake Model (GEM) Foundation (Global)   pdf download iconView Slides

16:35 GMT     Panel 3: Advancing methodologies for Multi-hazard and systemic risk assessment
Phil Hill, Emeritus Geoscientist (Former Director of the Geological Survey of Canada Pacific Division) (Chair)

Héctor Pérez, Seismic Risk Engineer & Assistant Professor of Structural Engineering, Colombia Geological Survey
David Wald, Supervisory Research Geophysicist, USGS
Mark Edwards, Director, the Vulnerability, Resilience and Mitigation Section, Geoscience Australia   pdf download iconView Slides
Chesley Williams, Senior Director, Product Management, Risk Management Solutions, USA


17:45 GMT     Panel 4: Partnerships and good governance for advancing hazard and risk assessments
John Schneider, Secretary General, Global Earthquake Model (GEM) Foundation (Chair)

Susan Loughlin, Volcanology Team Leader, British Geological Survey (BGS)
Masyhur Irsyam, Professor of Geotechnical Engineering, Bandung Institute of Technology, Indonesia
Yoshihiro Ishizuka, Volcanologist, Japan Geological Survey   pdf download iconView Slides
Helen Crowley, Seismic Risk Consultant, EUCENTRE, Italy


18:55 GMT     Closing
William Cunningham, Director, Office of International Programs, US Geological Survey


Part III: The Risk Management Goal: How GSOs can support awareness and advocacy, enhancing building codes, early warning systems, and local level resilience planning
20 February 2023  03.00 - 06.00 GMT

 YouTube download icon  View presentations and discussion session

3:00 GMT     Welcoming remarks from WCOGS- GNS Science
Gill Jolly, Natural Hazards and Risks Theme Leader, GNS Science, New Zealand

3:05 GMT     Global tsunami early warning program and its cross-jurisdiction approach
Denis Chang Seng, Programme Specialist Ocean Science, Intergovernmental Oceanographic Commission (IOC) of UNESCO

3:15 GMT     The evolution of earthquake building codes and recommended approaches for advancing building codes
Tuna Onur, Earthquake Hazard and Risk Consultant, Onur Seemann Consulting


3:35 GMT     Panel 5: Sharing experiences supporting development of DRR strategies, policies, and programs
(Awareness and information sharing, Building codes, Risk financing, DRR planning)

Steve Hill, Chief Scientist, Geoscience Australia (Chair)

Nick Horspool, Senior Risk Scientist at GNS Science, New Zealand
Iswandi Imran, Professor in the Faculty of Civil and Environmental Engineering, Bandung Institut Teknologi, Indonesia
Jorge Crempien, Assistant Professor at Pontificia Universidad Católica de Chile
Leigh Wolfrom, Policy analyst, Directorate for Financial and Enterprise Affairs, OECD   pdf download iconView Slides


4:45 GMT     Panel 6: Sharing experiences supporting development of DRR strategies, policies, and programs
(Advancing Building codes, Land use planning, and early warning systems)

Kate Moran, President, Oceans Network Canada (Chair)

Maria Przyłucka, Chief specialist in geohazards and engineering geology, Polish Geological Institute – National Research Institute
John Londoño, Technical Director of Geohazards, Colombia Geological Survey
Atalay Ayele, Professor and Director of Institute of Geophysics, Space Sciences and Astronomy (IGSSA), Addis Ababa University, Ethiopia
Andrew Tupper, Principal Consultant, Natural Hazards Consulting, Australia   pdf download iconView Slides


5:55 GMT     Closing
Gill Jolly, Natural Hazards and Risks Theme Leader, GNS Science, New Zealand

Register for the forum

The webinar is organized through an informal partnership between the World Community of Geological Surveys (WCOGS), the Global Earthquake Model Foundation, the Geological Survey of Canada, and GNS Science (New Zealand).

Sage On Earth Consulting supports the organizing team with the background research and design of the sessions. The American Geosciences Institute is providing the online hosting platform and support for the webinar.

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Geo-hazard Early Warning Systems to Protect Vulnerable Populations

Friday, April 22, 2022

This free webinar, featuring two Geoscientists without Borders® (GWB) humanitarian projects, provides information about the challenges and ways forward for implementing hazard early warning systems in data sparse locations to protect vulnerable populations. Our speakers will discuss geophysical methods carried out to build a robust database aimed at predicting natural disasters, such as landslides and earthquakes, ultimately to improve existing models and advance warning times for populations in high-risk hazard locations.

View the next video in this webinar

Our speakers

  • Dr. Václav Kuna, Postdoctoral Researcher, Institute of Geophysics, Czech Academy of Sciences

NepalEEW: Testing the feasibility of an Earthquake Early Warning System in Nepal
YouTube download icon Video | pdf download iconAbstract | pdf download icon Presentation slides

  • Dr. Thomas Oomen, Professor of Geological Engineering, Director of Computational Science and Engineering PhD Program, Michigan Technological University

Landslide Early Warning in a Data Sparse Region, Challenges and Way Forward: The case of Idukki, Western Ghats, India
YouTube download icon Video | pdf download iconAbstract | pdf download icon Presentation slides

Additional resources

The above GWB projects help address United Nations Sustainable Development Goals (UNSDGs) SDG 9 (Industry, Innovation and Infrastructure), SDG 11 (Sustainable cities and communities) and SDG 17 (Partnerships for Goals). For more information on UNSDGs, please visit https://sdgs.un.org/.

For more information about these and other GWB humanitarian geoscience projects, please visit: https://seg.org/gwb, follow us on social media, GWBatSEG and email at withoutborders@seg.org.

About our speakers:

Václav Kuna (*1988) works as a postdoctoral researcher at the at the Institute of Geophysics of the Czech Academy of Sciences, Prague, Czech Republic since September 2020. He received his Ph.D. degree in seismology at Oregon State University in Oregon, USA, studying seismicity and tectonics of the Blanco Transform Fault Zone in the northeast Pacific Ocean using seismometers placed at the ocean bottom around the fault. During the Ph.D. studies, Vaclav has participated in several large-scale broadband seismic experiments in the Caucasus mountain range and Himalayas and was part of a team monitoring aftershock seismicity after the M7.8 earthquake in Nepal in April 2015. This experience steered his scientific interest away from a purely academic seismological career towards more mission-driven science. At the Institute of Geophysics, Vaclav studies novel, low-cost Earthquake Early Warning systems based on IoT (Internet of Things) principle. He wants to test the feasibility of such a system in central Nepal to help to reduce the extreme seismic risks in the region.

Thomas Oommen is a Professor in the Geological Engineering department and the Director of the Computational Science and Engineering Ph.D. Program at Michigan Technological University. He is actively involved in undergraduate and graduate education, research, and service. He teaches the engineering geology course at Michigan Tech, has participated in over $7 million in research grants, and published over 70 peer-reviewed journal articles. His research focuses on utilizing remotely sensed data, machine learning algorithms, and geological knowledge to solve real-world problems that affect human health and safety. Beyond Michigan Tech, he serves as the chair of the editorial advisory board of the GSA and AEG joint publication Environmental & Engineering Geoscience, chair for the Environmental and Engineering Geology division of GSA, vice-chair of the ASCE Geoinstitute Engineering Geology and Site Characterization Committee, a member of the AEG technical committee on landslides, and a member of the AGU Natural Hazards awards committee. He is also an ABET program evaluator for the geological engineering and geology programs.

Additional Questions & Answers from the webinar

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How are you planning to provide power and internet to stations in the mountains?
Power via electric gridline is available in the mountainous regions where we are planning to deploy our sensors. We plan to use wifi/ethernet connection that uses cellular internet available in the region. However, we need to test the stability of both the internet and power connections. Future versions of the seismic sensor will be equipped with a solar panel, battery, and cellular internet connectivity so they can be more standalone in regions like this one.

I'm interested to learn more about the dead zone around the epicenter. In Utah, 85% of our population lives on top of the Wasatch Fault (large normal faults related to extension).
The earthquake early warning system takes roughly 10 seconds since the earthquake origin time to characterize the earthquake. This includes the travel time of earthquake primary waves from the hypocenter to closest stations, data transmission to server, data processing etc. At the time of 10 sec since the earthquake origin, damaging secondary waves will have already reached a region within about 40 km radius around the earthquake epicenter. Therefore, that region cannot receive the alert in time and the EEW system may help only in regions farther away from the earthquake epicenter.

What is the cost of the sensors?
The sensor is now manufactured by Grillo, Inc. and the price is a few hundred dollars (particular price depends on the type of enclosure, sensor with/without gps etc). The sensor design is open-source and published on github (https://github.com/openeew/openeew-sensor) so anyone can manufacture it themselves. In that case the total cost will largely result from the cost of individual components, which depends on the ordered quantity and other factors.

Would one potentially be able to use these types of earthquake sensors to detect earthquake events or submarine landslides and thus create an early warning system for local tsunamis originating very close to shore?
Unfortunately, I am not familiar with seismic signals of submarine landslides. The sensor needs to be deployed on land and cannot be used as an underwater sensor. On land, it can capture accelerations greater than about 40 micro-g. If underwater landslides create signals stronger than this threshold, the system can potentially work for the job. However, new processing methodology would have to be developed/adopted for this specific application.

Can we link Direct push with Electrical Resistivity Tomography (ERT) surveys for landslide studies?
We don't have direct push data for our study region. However, if you have both direct push and ERT data, it will be an exciting link to make.

Are you also using water gauge stations on the different rivers?
We are using groundwater well information.

Would it be practical to use the USDA soil profile (websoil/) in slope susceptibility analysis?
That will be something to explore. However, the question is whether USDA data has sufficient spatial resolution to perform slope stability analysis. Combining USDA data with some geophysical surveys can be promising.

Perspectives on a Crucial Resource - The Importance and Vulnerability of Our Water Supplies

Thursday, October 14, 2021

This webinar is part of the Earth Science Week 2021 webinar series.

The need for having sustainable water is a key element in global resilience to climate change, as a shield against ecosystem loss, and as a defense against human deprivation and poverty. Water is essential to the health of all living things. With the onslaught of climate change, drought and exploding population growth, water is a valuable but very vulnerable resource. Water can be an element of peace, supporting security and abundance, or a source of transboundary conflict fueling political ambitions.

Groundwater, in particular, is the underpinning of irrigated agriculture and energy production and it therefore supports food security and economic development. Groundwater provides drinking water to at least 50% of the global population, and worldwide, approximately 2.5 billion people depend solely on groundwater resources to satisfy their basic daily water needs (UNESCO, 2012). In these times of Covid-19, groundwater also promotes hand washing in isolated rural communities. But it is a hidden resource and not well understood.

Examples from around the nation and world illustrate the importance, vulnerability, and changing aspects of water quantity and quality. Some potential solutions and stopgap measures are on the horizon to preserve our water resources, but the challenges are immense.

About the speaker

David Kreamer, Ph.D. is a Professor of Geoscience at the University of Nevada, Las Vegas and serves as President of the International Association of Hydrogeologists (IAH). Dave’s research includes work on water and international security, maintaining good water quality supply for people and ecosystems particularly in economically developing regions, combating environmental contamination, and water quality and quantity analysis and improvement. He has authored over 70 professional publications, recently co-authoring the 3rd Edition of the textbook “Contaminant Hydrogeology” and soon to be released 5th edition of “Applied Hydrogeology” (Waveland Press). David has served as a professional consultant/ expert witness, given over 150 invited presentations, has testified before the United States Congress, and addressed the United Nations General Assembly on water issues.

Groundwater Exploration in Response to Humanitarian Crises

Wednesday, October 13, 2021

This webinar is part of the Earth Science Week 2021 webinar series.

The number of refugees and internally displaced persons (IDPs), worldwide, is about 80 million. Most refugees are fleeing water-stressed and conflict-torn countries such as South Sudan, Somalia, and Syria. Generally, the host countries for refugee populations are also arid or semi-arid, such as Kenya, Chad, and Jordan. In the marginal landscapes where refugee camps are usually sited, groundwater is often the only practical source of water for drinking, cooking, and sanitation. A lack of access to adequate water supplies is directly tied to increasing occurrences of cholera, dysentery, hepatitis, trachoma, and other diseases. Today, with Covid-19 outbreaks already occurring in overcrowded refugee camps, improving hygiene is critical. A well-targeted geophysical exploration program can make the difference between a successful water supply program and one doomed to failure.

In this talk, I lead you on the geophysical search and then the discovery of water in a few of the refugee camps and conflict zones in East Africa. In each of these settings, the cause of human displacement is distinct, the geology and hydrogeology vary, the landscapes are strikingly different, but the need for water is equally desperate.

In one of the largest refugee camps in the world, in the Turkana desert of Kenya, seismic and resistivity surveys helped to increase the water supply to the camp and, simultaneously, a previously unrecognized public health crisis was addressed. In Northern Uganda, in the devastation left behind by Joseph Kony and the Lord’s Resistance Army, village water supplies were restored following geophysical surveys and hydrochemical testing. More importantly, the local Ugandan crews were trained to carry on with this technical work. Finally, in the midst of a civil war in the world’s newest country, South Sudan, an emergency mission relying on resistivity surveys took advantage of a cessation of hostilities to find water in villages stranded by the conflict.

About the speaker

Water for Rohingya refugees, an escape tunnel from a Nazi death camp, Pablo Escobar’s billions of buried drug money, or Holocaust mass burials, Paul Bauman has searched for all of these and much more. Paul is the Technical Director of the Near Surface Geophysics group at BGC Engineering, based in Calgary. Paul has more than 35 years of geophysical exploration experience in the water resources, environmental, engineering, oil and gas, mining, and humanitarian and archaeology sectors. He has a BScE in Geological Engineering and a minor in Near Eastern Studies from Princeton University, and an MSc in Hydrogeology from the University of Waterloo. Since the early 1990’s, Paul has directed water exploration programs in some of the most water-stressed locations on the planet including Yemen, post-tsunami Aceh, and refugee camps and conflict-affected areas in East Africa and Bangladesh. Some of these geophysical projects have been featured in movies and television documentaries by National Geographic, NOVA, the Discovery Network, and the History Channel.

Water Supply Issues in the Delaware River System: A tale of Tunnels, Transfers, Tumult, and Trout

Thursday, October 14, 2021

This webinar is part of the Earth Science Week 2021 webinar series.

Learn about the complex interplay of science, policy, and engineering that are involved in ensuring water for a large part of the northeastern United States.

About the speaker

Dr. David R. Wunsch is the Director and State Geologist of the Delaware Geological Survey (DGS) and President of the American Geosciences Institute.

Earth Science and the International Year of Caves and Karst

Friday, October 15, 2021

This webinar is part of the Earth Science Week 2021 webinar series.

Cave research represents the essence of Earth science since it involves going into and directly studying the Earth itself. Caves, and the karst areas in which most form, are highly valuable yet vulnerable features. They provide water to about 700 million people but are the most easily contaminated of groundwater supplies. Additionally, they can collapse to create sinkholes, swallowing roads and buildings, causing hundreds of millions of dollars in damages annually in the US alone. Join this presentation, which is part of the celebration of the International Year of Caves and Karst, to explore caves and karst around the world and the many aspects of the Earth sciences they include.

About the speaker

Dr. George Veni is the Executive Director of the National Cave and Karst Research Institute (NCKRI) and an internationally recognized hydrogeologist specializing in caves and karst terrains. Prior to NCKRI, he owned and served as principal investigator of George Veni and Associates, conducting multidisciplinary environmental karst management studies for more than 20 years. He has conducted karst research throughout the United States and in several other countries. He has chaired 16 international and multidisciplinary karst conferences, been a member of the governing board of the International Union of Speleology since 2002, serving as President since 2017 and organizing the International Year of Caves and Karst in 2021. He has served as a doctoral committee advisor for geological, geographical, and biological dissertations at the New Mexico Institute of Mining and Technology, The University of Texas at Austin, The University of Texas at San Antonio, and Aristotle University of Thessaloniki and Harokopio University in Greece, taught karst geoscience courses as an adjunct professor for Western Kentucky University for 12 years, and taught karst science and management workshops internationally for NCKRI since 2011. Three cave-dwelling species have been named in his honor. He has published and presented nearly 270 papers, including six books, on hydrogeology, biology, and environmental management in karst terrains.

Responding to societal needs with 3D geology: An international perspective

Tuesday, November 17, 2020

Geological Survey Organizations (GSOs) have been helping society face economic and environmental challenges for over 150 years. The technological transformation of geoscience is presenting new opportunities for GSOs, and the wider geoscience community, to respond to the societal challenges of our time, and lay the foundation for a sustainable future. Three-dimensional geological modelling is providing a valuable tool for informed decision making and risk reduction – from planning urban infrastructure, managing ground water resources, and sourcing renewable energy. To capitalize on this capability, new data infrastructures are required to share and integrate information across government and the private sector.

This two-part webinar will feature leaders in the field, presenting the latest developments, and will be of interest to students, academics, private sector practitioners, and other government agencies.

This webinar series is sponsored by the World Community of Geological Surveys (WCOGS).

Workshop Program

Part 1: Geological Survey Organizations support societal needs: 3D geoscience

November 17, 2020, 10h00 - 11h45 EST / 16h00 - 17h45 CET

Moderator: Harvey Thorleifson, Director, Minnesota Geological Survey


  • Past, Present, and Future of Geological Modeling of the Subsurface, Keith Turner, Colorado School of Mines, CO, USA
  • An Overview of Current 3D Modelling Activities at GSOs, Kelsey MacCormack, Alberta Geological Survey/Alberta Energy Regulator, AB, Canada
  • Unlocking Value from Geospatial Data Beyond GSOs, Holger Kessler, Geospatial Commission, Cabinet Office, UK
  • Enabling Societal Access and Use of Geoscience Data, Michiel van der Meulen, TNO, Geological Survey of the Netherlands, NL

Question and Answer session followed by Wrap-up

Part 2: Geological Survey Organizations support societal needs: 21st Century Challenges

November 19, 2020, 10h00 - 11h45 EST / 16h00 - 17h45 CET

Moderators: Kelsey MacCormack (Alberta Geological Survey/Alberta Energy Regulator) and Holger Kessler (Geospatial Commission, Cabinet Office, UK)

A panel discussion among experts regarding challenges in the 21st century.


  • Environmental Modelling, Edward Sudicky, Aquanty Inc, Waterloo, ON, CA
  • Engineering Geology, Helen Reeves, Jacobs, Leeds, UK
  • Urban Applications, Scott Kuykendall, McHenry County Department of Planning and Development, Woodstock, IL, USA
  • Groundwater Resources, Michael Kehinde, Groundwater and Hydrology Team, Environment Agency, Hertfordshire and North London Area, UK
  • 3D Methods and Visualization, Roland Baumberger, Swiss Geological Survey, CH

Question and Answer session followed by Wrap-up

This webinar series is organized by the Geological Survey of Canada, Illinois State Geological Survey, British Geological Survey, Alberta Geological Survey, Minnesota Geological Survey, TNO, Geological Survey of the Netherlands.

Geological Survey Organizations support societal needs: 3D geoscience - An Introduction

Mapping Displacement and Subsidence with Time-series Radar

Wednesday, April 15, 2020


Two related developments have moved the use of radar imagery into the operational realm. The supply of available data has increased greatly, especially with the freely-available Sentinel-1 satellites. And the analysis algorithms are now tested and established, producing reliable and standardized Information Products. One application in particular has benefited greatly from these synergistic developments; centimeter-scale measurement of surface motion on a regional scale. The ability to produce time-series displacement maps with a high point density has revolutionized the monitoring, and mitigation, of subsidence due to subsurface extraction of resources such as water or hydrocarbons.

Our speakers are:

Additional Resources

Media Partners

Thank you to our media partners:

Media Sponsors

This webinar is generously sponsored by:

Mapping Displacement and Subsidence: Displacement Mapping


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