IOC Circulars

IOC Circular Letter 2591

Invitation to the 12th Session of the Intergovernmental Coordination Group for the Tsunami Early Warning and Mitigation System in the North-eastern Atlantic, the Mediterranean and Connected Seas (ICG/NEAMTWS-XII), Dublin, Ireland, 16–18 November 2015
Nominate a delegation to attend the 12th Session of the ICG/NEAMTWS in Dublin, Ireland, 16–18 November 2015. The names and positions of your representatives should be either communicated by email to Mr Thorkild Aarup at with a copy to the Executive Secretary at and Ms Elena Iasyreva at by 30 October 2015 or registered online on the NEAMTWS-XII website at

IOC Circular Letter 2590

Re-constitution of the Open-ended Intersessional Financial Advisory Group 
IOC national coordinating bodies to designate members to work within the IFAG group. Deadline 30 Oct 2015

IOC Circular Letter 2589

Nomination of experts to serve on the Review Group with regard to IOC’s Role and Involvement in the GEBCO Project
Member States to designate representatives who will serve on the review group with experts of IOC programmes and Sub-commissions. I would appreciate receiving your letters of nomination no later than 23 September 2015 by e-mail to Osamu Miyaki (

IOC Circular Letter 2586

Joint IOC-CBD letter on the 204 marine areas meeting the criteria for ecologically or biologically significant marine areas.
Raising awareness of the work within the Convention on Biological Diversity related to ecologically or biologically significant marine areas (EBSAs), in particular the description of 204 areas meeting the EBSA criteria, as described by a series of CBD regional workshops convened since 2011.

IOC Circular Letter 2580

Invitation to the World Oceans Day Celebration, 8th June 2015, UNESCO HQ, France, Mandatory registration is open until 4th June 2015.

IOC Circular Letter 2566

Invitation to the 26th Session of the Intergovernmental Coordination Group for the Pacific Tsunami Warning and Mitigation System (ICG/PTWS-XXVI), Honolulu, Hawaii, United States of America, 22–24 April 2015. Deadline for informing UK-IOC office: 20 February.
In association with this meeting, the IOC of UNESCO, the International Union of Geodesy and Geophysics (IUGG) and its Tsunami Commission, and the U.S. National Oceanic and Atmospheric Administration (NOAA) are organizing an International Tsunami Symposium Commemorating the 50th Anniversary of the Pacific Tsunami Warning and Mitigation System: “Making the Pacific Ready for the Tsunami Threat” that will take place on 20–21 April 2015 immediately preceding the ICG/PTWS session.

IOC Circular Letter 2561

IOC Circular Letter 2560

IOC Circular Letter 2564

Review of the World Ocean Assessment (WOA) under the UN Regular Process for Global Reporting and Assessment of the State of the Marine Environment, including Socio-economic Aspects. Deadline for submitting comments is 15th March 2015 only through dedicated website