Circular Letters

Circular Letters for ICG/PTWS-XXII

For IOC Circular Letters related to the ICG/PTWS-XXII meeting in Guayaquil, Ecuador, 17-20 September 2007 please go here.

Circular Letters for ICG/PTWS-XXI


CL 2188 Circular Letter for ICG/PTWS-XXI meeting in Melbourne, Australia, 3-5 May 2006 pdfbig 403 KB (English)


Circular Letters

 circular_letterIOC Circular Letters related to the ITSU programme:

IOC Circular Letters are used for official communication between the IOC Secretariat and Member States or other Organizations.

Find the full list of IOC Circular Letters related to ITSU (starting 2002) in the Document Library.



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Featured Resources

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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

Also on YouTube youtube_logo
(w/closed captioning)

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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