Abstract of the 191th meeting of CCEP

 The 191th meeting of the Coordinating Committee for Earthquake Prediction (CCEP) was held at the Kanto Regional Survey Department of the GSI on June 13, 2011. At first, Observation data and research results about seismic activities and crustal deformations in Japan were reported and discussed. Moreover, "■The 2011 off the Pacific coast of Tohoku Earthquake." as intensive discussion subject were discussed. Finally, purport of next intensive discussion subject "The 2011 off the Pacific coast of Tohoku Earthquake." 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 Nankai trough and Nansei islands trench.
     fig. 4 (NIED)
     fig. 5 (NIED)
     fig. 6 (GSI)

• The 2011 off the Pacific coast of Tohoku Earthquake.

     fig. 7-16 (Yamada (assistant professor), Tokyo Univ.)
     fig. 17-18 (Tanioka (committee member), Hokkaido Univ.)
     fig. 19-20 (Takahashi (substitute committee member), JAMSTEC)
     fig. 21-23 (Toda (committee member), Kyoto Univ.)
     fig. 24-26 (Ikeda (committee member), Tokyo Univ.)

• Purport of next intensive discussion subject "The 2011 off the Pacific coast of Tohoku Earthquake.".

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