ITIC Working with ICG/PTWS

The ITIC works closely with the IOC Tsunami Service Providers (TSP, NOAA’s Richard H. Hagemeyer Pacific Tsunami Warning Center (PTWC), Japan's Northwest Pacific Tsunami Advisory Center (NWPTAC), China's South China Sea Tsunami Advisory Centre, Nicaragua's Central America Tsunami Advisory Centre (CATAC, interim service since 2022) to ensure that Member States understand how to use the tsunami threat advice to guide their national tsunami warning decision-making.  The ITIC also works with the US National Tsunami Warning Center (US NTWC), which provides warning services for Canada through bi-lateral arrangements.

The following countries/territories have official PTWS Tsunami National Contact and Tsunami Warning Focal Point designations, and receive IOC tsunami information:

Australia, Brunei Darussalam, Canada, Chile, China, China Hong Kong, Colombia, Cook Islands, Costa Rica, Ecuador, El Salvador, Fiji, France, Guatemala, Honduras, Japan, Kiribati, Malaysia, Mexico, Nauru, New Zealand, Nicaragua, Palau, Panama, Peru, Philippines, Samoa, Singapore, Solomon Islands, Thailand, Tonga, Tuvalu, United States, Vanuatu, Vietnam

The following countries/territories do not have officially-designated PTWS Tsunami National Contact and/or Tsunami Warning Focal Point designations, but do receive IOC tsunami information:

Cambodia, Democratoc Republic of Timor-Lester (East Timor), Federated States of Micronesia (Chuuk, Kosrae, Pohnpei, Yap), France (French Polynesia, New Caledonia, Wallis & Futuna), Indonesia, Republic of Marshall Islands (Kwajalein, Majuro), Niue, Papua New Guinea, Republic of Korea (South Korea), Russian Federation, Tokelau, United Kingdon (National, Pitcairn Islands), United States (Midway, Wake)

The following countries/territories do not have officially-designated PTWS Tsunami National Contact and Tsunami Warning Focal Point designations, and do not receive IOC tsunami information: 

Democratic Republic of Korea (North Korea)

Brunei Darussalam, Cambodia, Federated States of Micronesia, Republic of Marshall Islands, Nauru, and Tokelau are not Member States of the IOC, but are Member States of UNESCO.