The Twenty-Fifth Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS) was held in Vladivostok, Russian Federation, from 9-11 September 2013, chaired by ICG/PTWS Chair, Dr. Ken Gledhill (New Zealand). The session was attended by 65 participants from 16 Member States. The main outcomes of the session were 1) for PTWC to replace current products with endorsed Enhanced Tsunami Products, starting from 1 October 2014, for use by PTWS National Tsunami Warning Centres, acceptance of China's offer to establish a South China Sea Tsunami Advisory Center, 3) agreement to continue most PTWS Working Groups and Task Teams, 4) agreement to conduct Exercise Pacific Wave 2015, and 5) agreement to hold the next ICG/PTWS-XXVI session, which will commemorate the 50th anniversary of the International Tsunami Warning System in the Pacific, in Honolulu, Hawaii USA in April 2015.



Information Documents

Document Title


ICG/PTWS-XXV Provisional Timetable

PDF (93 KB)

ICG/PTWS-XXV Provisional Agenda

PDF (64 KB)

ICG/PTWS-XXIV Summary Report

PDF (1.14 MB)




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Regional Disaster Information Center (Latin America & the Caribbean)

A database of Spanish language materials focused on tsunami preparedness.
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Post-Tsunami Survey:
El Salvador Summary Video

Learn the basics of a post-tsunami survey.

TsunamiTeacher USA
Tsunami Basics

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Learn the basics of tsunamis. Available in English and Samoan.

Tsunamis on the Move

Tsunami Awareness Poster

Awareness poster available in English, Chinese, French, Japanese, Korean, Portuguese, Singalese.


Global Hazard Maps

Posters of Tsunami Sources, Significant Earthquakes and Significant Volcanic Eruptions. Also Tsunami Sources Icosohedron Globe.

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Tsunami, The Great Waves

Available in English, Spanish, French and Chinese.


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Tsunami Glossary

Available in English, Arabic, Spanish, French and Bahasa. 



Where the First Wave Arrives in Minutes

Available in English, Bahasa, Spanish and French.


DVD copies for PC and Macintosh computers are available free of charge from the ITIC, Hawaii (

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