Pacific21 is a generic name for the geophysical observation network in Western Pacific region operated by research institutions in Japan. Operation of the network is coordinated by the committee for global geophysical observation under the Science Council of Japan.

Please refer to the Data Distribution Policy. The data accessible from this page can be used only for the scientific purpose. At the presentation of data analyses and results, users are requested to show the origin of the data explicitly. In no event shall JAMSTEC be liable to any party for damages arising out of the use of this software and data.

Data Access Links



  1. Notice on using the OBS data
  2. BBOBS data now available
  3. notice number 3
  4. notice number 4
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