Thirty-first Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS-XXXI)

Meeting

07 - 11 April 2025

Location

China


Organiser(s) & Staff
Organiser
Staff
Participation

Open attendance.

Thirty-first Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS-XXXI)
Summary

The Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS) was first established by the IOC in 1965 as a cooperation mechanism for countries in the Pacific whose coastal areas are threatened by tsunamis. Through the ICG, Member States have designed and developed the PTWS and work together to improve and sustain it.
 
According to IOC Resolution XXXIX-8 (2006), membership of the ICG/PTWS consists of:
 
- Member States of the IOC within and bordering the Pacific Ocean and adjacent seas
- Observers from other IOC Member States
- Invited observers from organizations (including NGOs), programmes and projects, in accordance with the IOC rules and procedures.
 
The current Officers of the ICG/PTWS are:
 
Chair: Mr Yuji Nishimae (Japan) – elected in December 2021
Vice-Chair: Dr Dakui Wang (China) – elected in September 2023
Vice-Chair: Dr Wilfried Strauch (Nicaragua) – elected in December 2021
Vice-Chair: Mr ‘Ofa Fa’anunu (Tonga) – elected in September 2023
 
The meeting agenda is technical in nature and delegates should be prepared to participate in the technical discussions.

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94 Participants
3 Provisional
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Agenda Documents: 102
Background Documents: 5
Other Documents: 5
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Agenda Documents
Agenda Code Name Updated on Action
Agenda Code Name Updated on Action
2.1 ICG-PTWS-XXXI-Provisional Agenda 03/04/25
2.1 PTWS-XXXI-Draft Annotated Agenda-v7 07/04/25
2.1 PTWS-XXXI-Draft Annotated Agenda-v9 08/04/25
2.1 PTWS_XXXI_Draft Annotated Agenda v11 09/04/25
2.1 PTWS_XXXI_Draft Annotated Agenda_v12 10/04/25
2.3 ICG-PTWS-XXXI-Timetable 08/04/25
3.1 3.1-Chairperson_Report.pptx 27/03/25
3.10 3.10.4 NCEI-WDS 08/04/25
3.10 3.10.2 ICG-PTWS-XXXI-WMO-v1 07/04/25
3.10 3.10.3 ESCAP remarks at XXXI-ICG-PTWS 08/04/25
3.10 3.10.1 WTAD 2024 - UNESCO IOC Meeting 2025_UNDRR ROAP 9 April 2025 08/04/25
3.10 3.10.5 SMART JTF 09/04/25
3.2 3.2 ICG-PTWS-XXXI-Secretariat Report-v3 22/04/25
3.3 3.3 PTWS Workshop Report 08/04/25
3.4 3.4-TOWS-WG-Report.pptx 27/03/25
3.4 Draft_Global_Services_Definition_Document_GSDD-Update_2025-04-02 03/04/25
3.4 TOWS_WG_XVIII_Recommendation_FINAL 09/04/25
3.5.1 3.5_PTWC_TSP_Report 07/04/25
3.5.2 3.5.2.PTWS31st_NWPTAC_Report_submit.pptx 27/03/25
3.5.3 3.5.3 SCSTAC Report 08/04/25
3.6 3.6 - ITIC'S REPORT 07/04/25
3.7 ICG-PTWS-XXXI-NR-AU-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-CA-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-CN-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-EC-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-JP-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-KR-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-MY-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-NZ-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-RU-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-TH-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-CL-web 28/03/25
3.7 ICG-PTWS-XXXI-NR-CL-Presentation.pdf 07/04/25
3.7 ICG-PTWS-XXXI-NR-CR-web 02/04/25
3.7 ICG-PTWS-XXXI-NR-US-web 02/04/25
3.7 ICG-PTWS-XXXI-NR-CO-web 02/04/25
3.7 ICG-PTWS-XXXI-NR-FR-PF-web 04/04/25
3.7 ICG-PTWS-XXXI-NR-ID-Presentation 05/04/25
3.7 ICG-PTWS-XXXI-NR-SB-web 07/04/25
3.7 ICG-PTWS-XXXI-NR-FJ-web 07/04/25
3.7 ICG-PTWS-XXXI-NR-AU-Presentation 07/04/25
3.7 ICG-PTWS-XXXI-NR-FR-Presentation 07/04/25
3.7 ICG-PTWS-XXXI-NR-MY-Presentation 08/04/25
3.7 ICG-PTWS-XXXI-NR-MX-Presentation 08/04/25
3.7 ICG-PTWS-XXXI-NR-FJ-Presentation 08/04/25
3.7 ICG-PTWS-XXXI-NR-PH-Presentation 08/04/25
3.7 ICG-PTWS-XXXI-NR-PH-web 08/04/25
3.7 ICG-PTWS-XXXI-NR-JP-Presentation 08/04/25
3.7 ICG-PTWS-XXXI-NR-CN-Presentation 08/04/25
3.7 ICG-PTWS-XXXI-NR-FR-NC-web 08/04/25
3.7 ICG-PTWS-XXXI-NR-MX-web 09/04/25
3.7 ICG-PTWS-XXXI-NR-VU-web 10/04/25
3.7 ICG-PTWS-XXXI-NR-TO 11/04/25
3.8 3.8 WG-SEP-Report.pdf 27/03/25
3.8 3.8 SEP-WG-2025 Presentation.pdf 27/03/25
3.8 Report_ICG-PTWS-WG-SCS-XII-Report-v20250302c-DRAFT 28/03/25
3.8 ICG-PTWS-WG-CA-VII_v3_Final-Draft 28/03/25
3.8 3.8 TT-ISP-PacWave24-PICT Presentation 01/04/25
3.8 3.8. WG2ReportXXXI-Final 03/04/25
3.8 3.8 PTWS-XXXI WG3_Report 07/04/25
3.8 3.8 PTWS-XXXI-WG3_Report 07/04/25
3.8 3.8.2 Working Group 2 Report 08/04/25
3.8 3.8.6 WG-SCS Rev 09/04/25
3.8 3.8.5 Progress Report_Decisions & Recomendations_WG-PICTs_Apr2025 08/04/25
3.8 3.8.2 WG2_ICGXXXI_V2.pptx 08/04/25
3.8 3.8.1 WG1 09/04/25
3.8 3.8.7 WG-SEP 09/04/25
3.9 3.9.1 CARIBE-EWS 08/04/25
3.9 3.9.3 NEAMTWS 08/04/25
3.9 3.9.2 IOTWMS 08/04/25
4.1 PTWS-ORGANISATIONAL-STRUCTURE-2023-2025-20240920.pdf 28/03/25
4.1 PTWS-ACTION-MONITOR-20250407 04/04/25
4.10 4.10-CENTRAL AMERICA TSUNAMI ADVISORY CENTER.pptx 27/03/25
4.10 4.10 CATAC Users Guide 2025 -20250407 07/04/25
4.10 4.10 CATAC Report ppt 09/04/25
4.11 IOC TS-183 Monitoring and Warning for Tsunamis Generated by Volcanoes 20/03/25
4.11 4.11 ICG_PTWS_XXXI_Non-Seismic_Australia_SOPs 07/04/25
4.12 4.12 GLOBAL TSUNAMI PERFORMANCE MONITORING FRAMEWORK 09/04/25
4.13 4.13 ODTP 02/04/25
4.14 CL-3027 Survey to assess tsunami preparedness capacities in the Pacific Ocean 05/02/25
4.14 4.14 PTWS-TPCA-Survey-Preliminary-Results-long 10/04/25
4.14 4.14 PTWS-TPCA-Survey-Preliminary-Results-short 10/04/25
4.14 4.14 PTWS-TPCA-2025-Technical-Report-Draft-v3 10/04/25
4.14 4.14 PTWS-XXXI_4.14_TPCAoverview_KongBland_nonarration_part1.pptx 10/04/25
4.2 4.2 PTWS-XXXI-TT_TsunamiReady_KongFromont_nonarration 05/04/25
4.2 4.2 PTWS-XXXI-TaskTeam_TsunamiReady_Report-v2 07/04/25
4.2 4.2 PTWS-XXXI-TsunamiReady_EquivalencyGuidance_draft 07/04/25
4.2 4.2 PTWS-XXXI-Tsunami Ready Equivalency 07/04/25
4.3 4.3 PTWS-XXXI-PTWS_NTWC-MSC-mar25 05/04/25
4.4 4.4 TieredTHA_2025_rev.pptx 09/04/25
4.5 4.5 Integration of PTWS Sensors Network 09/04/25
4.6 4.6-TSUNAMI SERVICE PROVISION CONSIDERATIONS FOR EVENTS OUTSIDE PTWS EARTHQUAKE SOURCE ZONE.pptx 27/03/25
4.7 4.7-PROVISION FOR TSUNAMI INFORMATION SERVICES FOR THE MARITIME COMMUNITY 08/04/25
4.8 4.8-REVISED USERS MANUALS AND SERVICES OVERVIEW DOCUMENT.pptx 27/03/25
4.8 4.8 draft_revised_NWPTAC_users_guide_20250321 04/04/25
4.8 4.8 PTWS31st_NWPTAC_users_guide_20250404_submit 04/04/25
4.8 4.8-PTWC User's Guide Annex - PTWC Maritime Products for PTWS 08/04/25
4.9.1 4.9 PacificWave24 03/04/25
4.9.1 4.9 DRAFT Report PACWAVE24 03/04/25
4.9.2 4.9.1 and 4.9.2 PACWAVE ppt 09/04/25
5 5-ICG-PTWS-XXXI-Programme and Budget 10/04/25
9 ICG-PTWS-XXXI-Recommendations-20250517-0900UTC-clean 18/05/25
Background Documents
Agenda Code Name Updated on Action
Agenda Code Name Updated on Action
ICG-PTWS-XXX-Recommendations-20231121-FINAL 27/11/2023
Report of the ICG/PTWS Steering Committee Meeting (2024/09) 03/03/2025
ICG-PTWS-XXX-Report-20250213c-DRAFT2 02/04/2025
IOC/ICG/PTWS-XXX/3s Executive Summary Report of the Thirtieth Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS-XXX), 11–15 September 2023, Nuku’alofa, Tonga 18/06/2024
Group Photo for ICG PTWS-XXXI_updated 09/04/2025
Other Documents
Code Name Updated on Action
Code Name Updated on Action
CL-3019 Invitation to the Thirty-first Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS-XXXI), Beijing, China, 7–11 April 2025 23/12/2024
ICG/PTWS-XXXI Host Country Agreement 19/02/2025
Information file for the visa invitation letter from the authorities of China 28/02/2025
Conference Guide for ICG PTWS-XXXI 03/04/2025
PTWS-ORGANISATIONAL-STRUCTURE-2025-2027-20250425 23/05/2025

There are 97 participants associated with Thirty-first Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS-XXXI) .

Head of Delegation
Name Country
ALVARADO Leonardo Ecuador
ANTFALO Levu Vanuatu
ANUGRAH Suci Indonesia
CHACON BARRANTES Silvia Costa Rica
DINDANG Ambun Malaysia
DOKONIVALU Ilaitia Fiji
HARUHIRU Alick Solomon Islands
HÉBERT Hélène France
MARTYNOV Sergey Russian Federation
MIAO Yuelong Australia
MOIHOI Mathew Papua New Guinea
NANPEI Wilfred Micronesia (Federated States of)
OKAGAKI Akira Japan
PACHECO Alejandro Mexico
PARK Sun-Cheon Republic of Korea
RESTREPO BLANDÓN Luis Colombia
SCHOOR Gregory United States of America
SINNOTT Dennis Canada
STRAUCH Wilfried Nicaragua
VAIOMOUNGA Rennie Tonga
VILLEGAS Ma. Mylene Philippines
WRIGHT Wendy New Zealand
YU Fujiang China
ZUNIGA Carlos Chile
Member of Delegation
Name Country
ABU Siti Mariam Malaysia
ARREAGA VARGAS Patricia Ecuador
BLAND Lara New Zealand
CHAN Wai-soen China
CHEBROV Danila Russian Federation
DAWSON JOHN Australia
FROMONT Ashleigh New Zealand
FRY Bill New Zealand
FUNGAVAI Aisea Tonga
GREENWOOD Robert Australia
GUNAWAN Indra Indonesia
GUSIAKOV Viacheslav Russian Federation
HOU Jingming China
JAMELOT Anthony French Polynesia
KAMAEV Dmitriy Russian Federation
KASAT Rakhi United States of America
KONG Laura United States of America
LAM Ching-chi China
LEE Haseong Republic of Korea
MARABOLI-QUEZADA Alejandro Chile
MARTINEZ Margarita Chile
MCCREERY Charles United States of America
MEDVEDEV Igor Russian Federation
MOSELEY Adrienne Australia
MULE Saula Fiji
MYUNG Soyeon Republic of Korea
NIROA John Vanuatu
NISHIMAE Yuji Japan
QUEMA Stéphane French Polynesia
SATO Takeshi Japan
SEVILLA Winchelle Ian Philippines
SHI Jianyu China
SORO Apete Fiji
TAYLOR James Australia
TURYANA Iyan Indonesia
WANG Dakui China
WANG Zongchen China
WANG Peitao China
Observer
Name Country
ALCONERO Luis Argentina
AMATO Alessandro Italy
ARCOS Nicolas United States of America
BAKER Temily Thailand
BARRÉ Céline France
BECERRIL Carlos France
CHEUNG Kwok Fai United States of America
CHURCHILL Benjamin Singapore
COETZEE David New Zealand
DANIARSYAD Gatut Indonesia
ELURI Pattabhi Rama Rao India
FOUCH Matthew United States of America
KADRI Usama United Kingdom of Great Britain and Northern Ireland
KOSHIMURA Shunichi Japan
LORITO Stefano Italy
MARTIRE Camille United States of America
MELBOURNE Timothy United States of America
METAYER Gerard Haiti
MOORE Christopher United States of America
PINTO Edwin Ecuador
RABINOVICH Alexander Russian Federation
RAFLIANA Irina Indonesia
RAPSON NUÑEZ DEL PRADO Caleb New Zealand
ROBERTS Alexis United States of America
RODRIGUEZ CRUZ Ceci United States of America
ROLLAND Lucie France
ROSID Abdul Indonesia
TANIOKA Yuichiro Japan
TITOV Vasily United States of America
TSUSHIMA Hiroaki Japan
WEI Yong United States of America
ZAYTSEV Andrey Russian Federation
Other
Name Country
ACHARYA Raja India
ARREAGA Patricia Ecuador
LINING Sun China
MUSRASRIK Johnny Micronesia (Federated States of)
ODUOR Kennedy Kenya
= Person has confirmed their participation and been approved to participate.
= Person has applied to participate but has not yet been approved.
= Person has declined to participate or had their request to participate declined.
Participant Stats:
Total Invited: 99
Confirmed: 94
Not confirmed: 0
Unapproved: 3
Not-participating: 2
Rejected: 0
Group(s): IOC - Intergovernmental Oceanographic Commission, TSR - Tsunami Resilience Section.
 Label(s): TSR - Tsunami Resilience Section Priority 1
Created at 14:57 on 21 Nov 2024 by Öcal Necmioglu
Last Updated at 16:36 on 18 May 2025 by Öcal Necmioglu