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Wendy Watson-Wright, assistant director-general and executive secretary of the UNESCO-Intergovernmental Oceanographic Commission, has agreed with other leading tsunami experts that it is a case of "when, not if" the region would be struck by the giant waves triggered by earthquakes and volcanic activity, Watson-Wright noted.
"Lurking beneath the azure waters that wash up on countless coastal and island beaches and vacation spots is the potential for a devastating tsunami," she said.
In addition to the 40 million people living in the region, she said 22 million people visit the Caribbean annually, making the region "extremely vulnerable to the impacts of tsunamis".
Since 1498 there have been at least 94 tsunamis with run-ups reported in the Caribbean region, causing 4,652 deaths, Watson-Wright said.
She said most of these tsunamis were associated with underwater, or what are called submarine earthquakes, although the Caribbean Sea region has all of the potential tsunami-generating sources, such as submarine earthquakes, sub-aerial or submarine landslides and volcano activity.
Scientists and disaster management officials have said that models predict a tsunami wiping out vast areas in several island nations where most people live in around capitals and low-lying coastal areas.
"Sound science-based tsunami inundation modelling has been performed for all of Puerto Rico and several localities in the French Antilles and Venezuela, which demonstrates real tsunami threats for this region," the UNESCO expert said.
She said the Indian Ocean Tsunami Early Warning System -- coordinated through UNESCO-IOC -- saved lives in that region following an 8.6-magnitude earthquake off northern Indonesia.
"Largely due to education programmes, Indonesians living in coastal communities were able to mobilise and safely move to higher ground. As soon as the threat of a tsunami had passed, the all clear was sounded," Watson-Wright said in a statement here.
Despite the withdrawal of the United States from the UN body, which threatened to delay the introduction of an early warning system for the Caribbean, "emergency funds" were diverted to the project which is expected to be completed by 2014.
"We expect the system to be in place by 2014, with the US having adopted a phased approach to establish a Caribbean Tsunami Warning Centre located in Puerto Rico," she said.
Watson-Wright said that the installation of the Tsunami Early Warning System for the Caribbean was largely supported by the United States, among other countries, but lamented that following the vote of the General Conference to admit Palestine as a full member to UNESCO, "all funds were cut in adherence to US law.
"The loss would have seriously delayed this important project," she said.
Realising this, Watson-Wright said UNESCO Director General Irina Bokova assigned emergency funds to the Tsunami Early Warning System for the Caribbean earlier this year, "keeping us on track for our work."
But the UNESCO official said the absence of the Caribbean early warning system does not mean the region is unprotected, as it is covered on an interim basis by the Hawaii-based Pacific Tsunami Warning Centre.
Once implemented, she said the system in the Caribbean will enhance "our ability to evaluate data and ensure that timely information is passed on to authorities and most importantly the public, for the safety and security of all in the region".
The Indian Ocean tsunami of December 26, 2004 was one of the deadliest natural disasters in history, killing 230,000 people in 14 countries, mostly in Indonesia. Several coastal communities were inundated with waves as high as 30 metres (98 feet).
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