Name: PTWS Tsunami Capacity Assessment
Start: 2025-02-01
End: 2025-09-30

PTWS Tsunami Capacity Assessment

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01 February - 30 September 2025

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Organiser(s) & Staff

Organiser

Staff

Participation

PTWS Tsunami Capacity Assessment

Summary

As part of the ongoing efforts to improve disaster risk reduction through early warning systems, and in line with existing mandates, UNESCO-IOC, with the support of the United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP), proposed to conduct a comprehensive reassessment of tsunami preparedness capacity, focusing on the Indian Ocean Tsunami Warning and Mitigation System (IOTWMS) in Phase I and the Pacific Tsunami Warning and Mitigation System (PTWS) in Phase II. Initial communication on this assessment was made to the Tsunami National Contacts (TNC) of ICG/PTWS via a letter from the ICG/PTWS Chair dated 4 November 2024, accompanied by a concept note on the assessment in the Indian and Pacific Oceans. Phase I (in the Indian Ocean) was completed in 2024, and Phase II will begin with an online survey dedicated to the Pacific Ocean. .

This capacity assessment aligns with the United Nations Secretary-General's Early Warnings for All (EW4All) initiative, with a focus on the importance of early warning systems for geophysical hazards, and the needs to develop the capacity of these systems to reduce the loss of lives and livelihoods from disasters. The assessment also aligns with the goals of the United Nations Decade of Ocean Science for Sustainable Development 2021–2030, UNESCO-IOC Tsunami Programme, UNESCO-IOC Tsunami Ready Recognition Programme, 2030 Agenda for Sustainable Development, and the Sendai Framework on Disaster Risk Reduction (DRR).

A preliminary compilation of the survey results will be presented at the 31st Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS-XXXI), 7–11 April 2025 in Beijing, China, followed by a dedicated ICG/PTWS Steering Committee Workshop, 14–16 May 2025 in Manila, Philippines. The draft technical report of this capacity assessment will be made available to the forthcoming IOC Assembly (25 June–3 July 2025), upon which a policy report will be submitted to the ICG/PTWS Steering Committee in September 2025 for its final review before publication. All reports from this capacity assessment will be distributed to ICG/PTWS Member States in October 2025.

Background Documents: 1
Other Documents: 1

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Background Documents

Agenda	Code	Name	Updated on	Action
Agenda	Code	Name	Updated on	Action
	CL-3027	Survey to assess tsunami preparedness capacities in the Pacific Ocean	05/02/2025