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Report of activity

Abstract of the 189th meeting of CCEP

 The 189th meeting of the Coordinating Committee for Earthquake Prediction (CCEP) was held at the Kanto Regional Survey Department of the GSI on Feb. 18, 2011. At first, Observation data and research results about seismic activities and crustal deformations in Japan were reported and discussed. Moreover, "Monitoring in the sea area" as intensive discussion subject were discussed. Finally, purport of next intensive discussion subject "Coupling and slip on the plate boundary" was explained.

  • Deliberation about crusutal activity monitoring.
  • 1.General crusutal activities.
    (1)Seismic activities of Japan.
         fig. 1 (JMA)
    (2)Strain changes in the Japanese Islands.
         fig. 2 (GSI)
    (3)Activity of shallow very-low-frequency earthquakes around Japan.
         fig. 3 (NIED)
    2.The coupling state and change on the plate boundary.
    (1)Around Japan Trench and Chishima Trench.
         fig. 4-5 (GSI)
    (2)Around Sagami Trench and directly beneath the metropolitan area.
         fig. 6 (JMA)
    (3)Around Nankai trough and Nansei islands trench.
         fig. 7 (GSI)
         fig. 8 (GSI)
         fig. 9 (NIED)
         fig. 10-12 (GSI)

  • Purport of next intensive discussion subject "Coupling and slip on the plate boundary".
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