2010-12-22 an earthquake with a preliminary magnitude of 7.4 jolted Ogasawara Islands in the Pacific early Wednesday, said the Japan Meteorological Agency (JMA), which issued a tsunami warning.

2010年12月22日日本气象厅宣布，22号凌晨位于太平洋的日本小笠原群岛附近海域发生里氏7.4级地震，目前已发布了海啸警报。

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Today, hundreds of floats deployed under the Global Ocean Observing System (GOOS), coordinated by UNESCO and largely supported by the Japan Meteorological Agency (JMA) and Japan Agency for Marine-Earth Science and Technology (JAMSTEC), are used to measure ocean temperature, salinity and tsunami risk.

UNESCO: OFFICE IN DAKAR

The response included the establishment of an interim Advisory Service provided through the Pacific Tsunami Warning Center (PTWC) in Hawaii and the Japan Meteorological Agency (JMA).

UNESCO: Building the Wealth of Nations