The IOC established the world's first tsunami warning system in the Pacific in 1965.
The Pacific Tsunami Warning Center lifted its tsunami watch at 1:18 p.m. in Indonesia.
The Tsunami Warning System in the Indian Ocean was launched and is now operational.
With the most advanced tsunami warning system in the world, Japan is a global standard setter.
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Since 2005, bulletins have been issued by the Japan Meteorological Agency and Pacific Tsunami Warning Center.
The message then adds whether a tsunami warning has been issued and if so, for which areas.
No tsunami warning has been issued and there were also no reports of serious damage or injuries.
The two organizations agreed to share efforts to facilitate the development and operation of tsunami warning centres.
The success of this first test paves the way for the establishment of regional tsunami warning centres.
The Indian Ocean Tsunami Warning and Mitigation System functioned effectively during the magnitude 7.7 earthquake and tsunami.
The temblor did generate a tsunami just under one foot high, the Pacific Tsunami Warning Center said.
Using this system, JMA aims to send out a tsunami warning within three minutes of an earthquake striking.
The provisional arrangement between the two organizations proved effective in the development phase of the new tsunami warning systems.
They will be addressed to the focal points of each country called upon to respond to a tsunami warning.
The NWS' Pacific Tsunami Warning Center, in fact, was unmanned at the time.
The latest full-scale test of the Indian Ocean Tsunami Warning and Mitigation System had taken place on 12 October 2011.
Since then, bulletins have been issued to 28 Indian Ocean nations by the Japan Meteorological Agency and Pacific Tsunami Warning Center.
Japan lifted a tsunami warning issued earlier in the day on Thursday, the Times of India reported on its website.
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Italy and Portugal confirmed their intention of setting up national tsunami warning centres and their candidacy for international tsunami watch providers.
The earthquake occurred some 25 miles below the ocean floor and resulted in a tsunami warning for the coast of Miyagi prefecture.
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UNESCO-IOC is primarily concerned with international coordination among nations, while the operational duties of the tsunami warning centres reside with national agencies.
Progammes include the Global Sea Level Observing System ( GLOSS), regional tsunami warning systems and the Harmful Algal Bloom Programme ( IOC-HAB).
Preliminary results indicate that all the participating National Tsunami Warning Centres (NTWCs) were able to receive these bulletins in a timely manner.
Such aspects also need to be considered when drafting tsunami warning messages.
The Pacific's tsunami warning system began to be set up after a giant wave struck Hawaii in 1946, killing more than 150 people.
The Indian Ocean nations decided to establish an Indian Ocean Tsunami Warning and Mitigation System (IOTWS) in the wake of the 2004 catastrophe.
Tsunami warning centres and regional tsunami warning systems build on existing detection, verification and communication networks such as international seismic and sea level networks.
France, Greece, Italy, Portugal and Turkey confirmed that they will be operating national tsunami warning centres in the short-term, of which some already in 2012.
The CTBTO decided at its special session on 4 March 2005 to cooperate with UNESCO-IOC on a possible contribution to an effective tsunami warning system.
It can also identify potential tsunami impact areas, predict its propagation and its time of arrival and finally issue the tsunami warning to national authorities.
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