8th JOINT ICG/PTWS– IUGG JOINT TSUNAMI COMMISSION TECHNICAL WORKSHOP - Understanding and lessons learned from the tsunami generated by the Hunga Tonga-Hunga Ha'apai volcano eruption on 15 January 2022 for development of Tsunami Warning and Mitigation System for tsunamis generated by volcanoes and other non-seismic sources

11 September 2023

Tonga



Agenda



1 Opening Ceremony
2 KEYNOTE 1: Historical Perspectives on Non-seismic Tsunamis: Their Science and Development of Tsunami Warnings – Dr. Emile Okal (Remote)
3 Session 1: Overview of tsunami caused by eruption of the Hunga Tonga-Hunga Ha’apai volcano on 15 January 2022
3.1. Overview of the tsunami in Tonga: Tsunami Warning Mr. ‘Ofa Fa‘anunu
3.2 Overview of the tsunami in Tonga: Tsunami Emergency Response Mr. Mafua Maka
3.3. Overview of the Tonga tsunami in the near field - Tonga Post-Tsunami Field Survey Results Mr. Taaniela Kula
3.4. Overview of the Tonga tsunami around the world Dr. Alexander Rabinovich
4 Session 2: Mechanism of tsunami generation for HTHH
4.1. HTHH Volcanic Eruption and other active Tonga Trench volcanoes – what happened and what next Dr. Shane Cronin (online)
4.2. Generation mechanism of the far-field tsunami due to the 2022 Tonga eruption Dr. Yuichiro Tanioka
4.3. Tsunami generation and impact in the far-field Dr. Vasily Titov
4.4. Back-projection of ocean observations showing a clear data-driven tsunami source migrating along the Kermadec trench at the speed of sound Dr. Anthony Jamelot
5 KEYNOTE 2: Historical Perspectives on Non-seismic Tsunamis: Location, Damage and Fatality Rate - Dr. V. K. 'Slava' Gusiakov (Remote)
6 Session 3: Lessons and learned on tsunami warning and mitigation
6.1. JMA’s tsunami operation for tsunami generated by volcanoes Mr. Yoshitaka Kon (JMA)
6.2. Stromboli Volcano, Italy Tsunami Warning System Dr. Mauricio Ripepe (University of Florence)
6.3. Krakatau Volcano, Indonesia Tsunami Warning System Mr Januar Arifin (Indonesia BMKG)
7 Session 4: Panel Discussion - How can we predict and mitigate for tsunami generated by volcanoes?
7.1. Overview - Setting the Scene: Tsunami Generated by Volcanoes (TGV), IOC Report (Feb 2023): Mr Francois Schindele, TOWS Ad-Hoc TT on Tsunami Generated by Volcanoes
7.2. Panel Discussion - Dr. Chip McCreery (Director PTWC), Dr. Laura Kong (Director ITIC), Mr. Francois Schindele, Ms. Esline Garaebiti (Vanuatu) (TBC), Dr. Alexander Rabinovich (IUGG JTC Vice-chair), Dr. Mauricio Repepe (IGNV)