Name: Expert Meeting of UNESCO-IOC Expert Meeting on Tsunami Sources Associated with Hellenic Arc and Azores–Gibraltar Fault Zone in the North-Eastern Atlantic, the Mediterranean, and Connected Seas (NEAM) Region
Start: 2025-03-18
End: 2025-03-20
Location: France

Expert Meeting of UNESCO-IOC Expert Meeting on Tsunami Sources Associated with Hellenic Arc and Azores–Gibraltar Fault Zone in the North-Eastern Atlantic, the Mediterranean, and Connected Seas (NEAM) Region
Expert Meeting on Tsunamigenic Sources in the NEAM Region

Meeting

18 - 20 March 2025

Location

France

Organiser(s) & Staff

Organiser

Participation

By invitation only.

Expert Meeting of UNESCO-IOC Expert Meeting on Tsunami Sources Associated with Hellenic Arc and Azores–Gibraltar Fault Zone in the North-Eastern Atlantic, the Mediterranean, and Connected Seas (NEAM) Region

Summary

Expert meeting aimed at understanding the tsunamigenic sources associated with the Hellenic Arc and the Azores-Gibraltar Fault Zone in the Northeastern Atlantic and Mediterranean region.

During this meeting, experts will leverage their experience and knowledge of local tectonics and tsunami generation. The goal is to review the existing databases on credible tsunami sources that could significantly impact the NEAM (Northeastern Atlantic and Mediterranean) coastlines andwhich can then be used for tsunami modelling, evacuation planning, and related exercises. The final report from this meeting will synthesis and outline the seismic sources identified by the experts as posing the highest tsunami risk to nearby coastlines.

The meeting will be moderated by an Individual Consultant Dr. Dr Gerassimos A. Papadopoulos.

16 Participants

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Agenda Documents: 19
Other Documents: 3

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- Expert Meeting on Tsunamigenic Sources
UNESCO Headquarters, Conference Room VII, -1 floor
1. DAY 1 - 18 March 2025
  1. 8:45am-9am - Pre-session Breakfast
    At the “Mall”, -1 floor, next to Conference Room VII
  2. Session 1 - The CoastWAVE 2.0 Project (plenary)
    1. Item 1. 9am-09.15am - Welcome and Introduction ICG/NEAMTWS (all tsunami sources)
      Welcome and Introduction, ICG/NEAMTWS (all tsunami sources)
    2. Item 2. 9.15am-9.30am - Introduction to DG ECHO CoastWAVE 2.0 and its objectives – Scope of the Meeting
      Introduction to DG ECHO CoastWAVE 2.0 and its objectives
  3. Session 2 - Status of databases and catalogues of interest for the tsunami generation and impact in the NEAM region (plenary)
    1. Item 3. 9.30am-9:45am - Introduction – Organization of the session
    2. Item 4. 9:45am-10:15am - State-of-the-art of databases and catalogues including the TSUMAPS-NEAM Project
      State-of-the-art of databases and catalogues including the TSUMAPS-NEAM Project
    3. Item 5. 10.15am -10:30am - Short presentations by the participants
      Active fault database for Iberia and its surroundings, including the Gulf of Cadiz and the Alboran Sea
    4. Item 6. 10.30am-11pm - Databases and catalogues: Discussion on their, uncertainties, completeness, availability and reliability
    5. 11am-11.30am - Coffee Break
    6. Item 7. 11.30am-12.15pm - Databases and catalogues: Discussion on their, uncertainties, completeness, availability and reliability
    7. Item 8. 12.15pm-12.30pm - Summary of Discussions
  4. 12.30pm-1.30pm - Lunch Break
  5. Session 3 - Seismic zones and sources in the NEAM region - Their tsunamigenic potential (plenary)
    1. Item 9. 1.30pm-1.45pm - Introduction – Organization of the session
    2. Item 10. 1.45-2.15pm - Main tsunamigenic seismic zones in the NEAM region - An overview
      Main tsunamigenic seismic zones in the NEAM region - An overview.
    3. Item 11. 2.15pm -3pm - Short presentations by the participants
      Seismic zones and sources in the NEAM region
      Tsunamigenic sources in the NEAM region: Focus on Atlantic and western Mediterranean scenarios
      Seismotectonics of tsunamigenic earthquakes in the Mediterranean Sea and connected seas
    4. Item 12. 3pm -4pm - Interactive Discussions: Determination of the potential for tsunami generation in the several seismic zones - Criteria and approaches
    5. 4pm-4.30pm - Coffee Break
    6. Item 13. 4.30pm-5.30pm - Interactive Discussions: Determination of the potential for tsunami generation by individual seismic sources - Criteria and approaches
    7. Item 14. 5.30pm-6pm - Summary of Interactive Discussions
2. DAY 2 - 19 March 2025
  1. Session 4 - Non-seismic tsunami sources in the NEAM region (plenary)
    1. Item 1. 9am-9.10am - Introduction – Organization of the session (plenary)
    2. Item 2. 9.10am-9.40am - Volcanic and landslide tsunami sources in the NEAM region - An overview
      Volcanic and landslide tsunami sources in the NEAM region - An overview
    3. Item 3. 9.40am-10am - Short presentations by the participants
      Landslide tsunamis and surrogate models
    4. Item 4. 10am -11am - Interactive Discussions: Potential for tsunami generation by non-seismic sources. Criteria and approaches.
    5. 11am-11.30am - Coffee break
  2. Session 5 - Identification of credible tsunami sources in the NEAM region for the needs of CoastWAVE 2.0 Project and ICG/NEAMTWS: criteria and approaches
    1. Item 5. 11.30am-11:45am - Introduction – Organization of the session (plenary)
    2. Item 6. 11.45am-12:15pm - The role of probabilistic approach in tsunamigenic source selection
      The role of probabilistic approach in tsunamigenic source selection
    3. Item 7. 12.15pm-12.45pm - Parallel Working Group 1 : Seismic versus non-seismic sources : Reasons for preference?
    4. Item 8. 12.15pm-12.45pm - Parallel Working Group 2: Uncertainities and determination of credibility
    5. Item 8. 12.45pm-1pm - Brief Reporting from Working Groups
  3. 1pm-2pm - Lunch Break
  4. Session 6 - Tsunami sources in the Hellenic Arc
    1. Item 10. 2pm-2.15pm - Introduction – Organization of the session (plenary)
    2. Item 11. 2.15pm-2.45pm - Overview of tsunamis produced by various sources in the Hellenic Arc
      Overview of tsunamis produced by various sources in the Hellenic Arc
    3. Item 12. 2.45pm-3.45pm - Short presentations by the participants
      Tsunami hazards and risk mitigation in the Hellenic Arc
      Seismotectonics of the Hellenic Subduction System and Tsunami Sources
      Sources and Recurrence of Mega-Earthquakes & Tsunamis within the Hellenic Subduction System
      Testing subduction/megathrust activity in the eastern Mediterranean Sea using deep sea tsunamigenic turbidites
    4. Item 13. 3.45pm -4pm - Parallel Working Group 1 (WG1): Rupture zones of large earthquakes, segmentation of the Hellenic Arc and the potential for tsunami generation from seismic faults
    5. Item 14. 3.45pm -4pm - Parallel Working Group 2 (WG2): The potential for tsunami generation fromvolcanic activity and landslides in the Hellenic Arc region
    6. 4pm-4.30pm - Coffee break
    7. Item 13 (cont.). 4.30pm -5.15pm - Parallel Working Group 1 (WG1): Rupture zones of large earthquakes, segmentation of the Hellenic Arc and the potential for tsunami generation from seismic faults
    8. Item 14 (cont.). 4.30pm -5.15pm - Parallel Working Group 2 (WG2): The potential for tsunami generation from volcanic activity and landslides in the Hellenic Arc region
    9. Item 15. 5.15-5.45pm - Brief reporting from WG 1 and WG2
    10. Item 16. 5.45pm -6pm - General discussion – Conclusions- Credible tsunami sources in the Hellenic Arc region
3. DAY 3 - 20 March 2025
  1. Session 7 - Tsunami sources in the Azores-Gibraltar Fault Zone (AGFZ)
    1. Item 1. 9am-9.10am - Introduction – Organization of the session (plenary)
    2. Item 2. 9.10am-9.30am - Overview of tsunamis produced by various sources in the AGFZ
      Overview of tsunamis produced by various sources in the AGFZ
    3. Item 3. 9.30am-10:15am - Short presentations by the participants
      Seismicity patterns and tsunami potential in the Azores-Gibraltar fault zone
      NON-SEISMIC TSUNAMIS IN THE AGF ZONE, NE ATLANTIC
    4. Item 4. 10:15am-10.45am - Parallel Working Group 1. Ruptures zones of large earthquakes, segmentation of the AGFZ and the potential for tsunami generation from seismic faults
    5. Item 5. 10:15am-10.45am - Parallel Working Group 2. The potential for tsunami generation from volcanic activity and landslides in the AGFZ region
    6. Item 6. 10.45am-11am - Brief Reporting - Working Group 1 and 2 (plenary).
    7. 11am-11.30am - Coffee break
    8. Item 7. 11.30am-12pm - Credible tsunami sources in the AGFZ region: General discussion – Conclusions.
  2. Session 8 - General discussion – Conclusions and Recommendations (plenary)
    1. Item 8. 12pm-12.30pm - Main Findings from sessions 1-7: General discussion
    2. Item 9. 12.30-1pm - Conclusions-Recommendations (panel, IOC, CoastWAVE 2)
    3. Item 10. 1pm-1.15pm - Wrap-up/Schedule for final Reporting/IOC Programme Report)

Agenda Documents

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Agenda	Code	Name	Updated on	Action
Agenda	Code	Name	Updated on	Action
Item 1. 9am-09.15am		Welcome and Introduction, ICG/NEAMTWS (all tsunami sources)	20/03/25
Item 10. 1.45-2.15pm		Main tsunamigenic seismic zones in the NEAM region - An overview.	20/03/25
Item 11. 2.15pm -3pm		Seismic zones and sources in the NEAM region	20/03/25
Item 11. 2.15pm -3pm		Tsunamigenic sources in the NEAM region: Focus on Atlantic and western Mediterranean scenarios	20/03/25
Item 11. 2.15pm -3pm		Seismotectonics of tsunamigenic earthquakes in the Mediterranean Sea and connected seas	20/03/25
Item 11. 2.15pm-2.45pm		Overview of tsunamis produced by various sources in the Hellenic Arc	20/03/25
Item 12. 2.45pm-3.45pm		Tsunami hazards and risk mitigation in the Hellenic Arc	20/03/25
Item 12. 2.45pm-3.45pm		Seismotectonics of the Hellenic Subduction System and Tsunami Sources	20/03/25
Item 12. 2.45pm-3.45pm		Sources and Recurrence of Mega-Earthquakes & Tsunamis within the Hellenic Subduction System	21/03/25
Item 12. 2.45pm-3.45pm		Testing subduction/megathrust activity in the eastern Mediterranean Sea using deep sea tsunamigenic turbidites	25/03/25
Item 2. 9.10am-9.30am		Overview of tsunamis produced by various sources in the AGFZ	20/03/25
Item 2. 9.10am-9.40am		Volcanic and landslide tsunami sources in the NEAM region - An overview	20/03/25
Item 2. 9.15am-9.30am		Introduction to DG ECHO CoastWAVE 2.0 and its objectives	20/03/25
Item 3. 9.30am-10:15am		Seismicity patterns and tsunami potential in the Azores-Gibraltar fault zone	20/03/25
Item 3. 9.30am-10:15am		NON-SEISMIC TSUNAMIS IN THE AGF ZONE, NE ATLANTIC	20/03/25
Item 3. 9.40am-10am		Landslide tsunamis and surrogate models	20/03/25
Item 4. 9:45am-10:15am		State-of-the-art of databases and catalogues including the TSUMAPS-NEAM Project	20/03/25
Item 5. 10.15am -10:30am		Active fault database for Iberia and its surroundings, including the Gulf of Cadiz and the Alboran Sea	20/03/25
Item 6. 11.45am-12:15pm		The role of probabilistic approach in tsunamigenic source selection	20/03/25

Showing 1 to 19 of 19 Documents

Name	Country
BASILI Roberto	Italy
ALVAREZ GOMEZ Jose	Spain
BAPTISTA Maria Ana	Portugal
BEHRENS Jörn	Germany
CAMBAZ Musavver	Türkiye
HÉBERT Hélène	France
HEIDARZADEH Mohammad	United Kingdom of Great Britain and Northern Ireland
KALLIGERIS Nikos	Greece
MACIAS Jorge	Spain
MOUSLOPOULOU Vasiliki	Greece
OMIRA Rachid	Portugal
PARIS Raphaël	France
SALMANIDOU Dimitra	United Kingdom of Great Britain and Northern Ireland
TRIANTAFYLLOU Ioanna	Greece
UGALDE Arantza	Spain
YALCINER Ahmet C.	Türkiye

Expert Meeting of UNESCO-IOC Expert Meeting on Tsunami Sources Associated with Hellenic Arc and Azores–Gibraltar Fault Zone in the North-Eastern Atlantic, the Mediterranean, and Connected Seas (NEAM) Region Expert Meeting on Tsunamigenic Sources in the NEAM Region

Meeting

18 - 20 March 2025

Expert Meeting of UNESCO-IOC Expert Meeting on Tsunami Sources Associated with Hellenic Arc and Azores–Gibraltar Fault Zone in the North-Eastern Atlantic, the Mediterranean, and Connected Seas (NEAM) Region
Expert Meeting on Tsunamigenic Sources in the NEAM Region