• You are here:

Intergovernmental



TsunamiWarningMap 20200224 Final thumbnail
Click image above to download as PDF to zoom in.
Image: Existing Services of the Global Tsunami Warning System
Produced by the Intergovernmental Oceanographic Commission of UNESCO (
update Feb 2020).


The UNESCO Intergovernmental Oceanographic Commission (IOC) has been mandated to facilitate the coordination of the international tsunami warning and mitigation system. The 1st system was established in the Pacific in 1965 in response to the M9.5 Chile earthquake and tsunami (Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System). After the 2004 Indian Ocean tsunami, the IOC established systems in 2005 for the Indian Ocean, Caribbean, and NE Atlantic and Mediterranean. The systems are owned and operations by IOC Member States, with Regional Tsunami Service Providers providing threat information and guidance to Member States. Member States of each region meet regularly to review progress and coordinate activities resulting in improvements of the services.


For more information, visit the IOC Tsunami Programme

 combined unesco ioc blue eng RHS 20220523   noaa logo rgb 2022

IOC Tsunami
Information Centres

   ITIC logo white circle 300dpi 200x200 20160816     CTIC logo 200x200 300dpi

       ITIC                  CTIC
       ITIC-CAR 

   New Logo IOTIC only 300DPI 200x200     NEAMTIC logo 200x200 300dpi

     IOTIC              NEAMTIC

Facebook 2023 New Icon With Wordmark


yt logo rgb light   vimeo logo blue

Hosted by:
UNESCO/IOC Project Office for IODE Oostende, Belgium
© 2024 International Tsunami Information Center | A UNESCO/IOC-NOAA Partnership
1845 Wasp Boulevard, Building 176, Honolulu, HI 96818, USA | Tel: +1 808 725 6050 | Fax: +1 808 725 6055