Report of activity

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Abstract of the 235th meeting of CCEP

  The 235th meeting of the Coordinating Committee for Earthquake Prediction (CCEP) was held at the Kanto Regional Survey Department of the GSI on May 16, 2022. And the meeting was onsite and online confference. Firstly, the nationwide monitoring data of the seismic activity and the crustal deformations were reported. Secondary, the CCEP members discussed the intensive discussion subject "Crustal activities of the Sea of Japan region off Northeast Japan" was explained. Finally, the purport of next intensive discussion subject "Application of optical fiber sensing technology to seismology and geodesy" was explained.

※The materials on this site are written in Japanese.

  • Deliberation about crustal activity monitoring.

    • 1.1 General crustal activities
    (1) Seismic activities of Japan.
          p2 (JMA)
    (2) Activities of shallow and very-low-frequency earthquakes around Japan.
          p3 (NIED)
    (3) Strain changes in Japanese Islands.
          p4 (GSI)

    1.2 State of interplate coupling and its change.
    (1) Suruga trough, Nankai trough and Nansei islands trench.
          pp5-6, p8(NIED)
          p7, p9 p10, p11(GSI),

    1.3 Others
    (1) Earthquake in off the coast of Fukushima Pref.(Mar. 16)(Apr. 6)
          pp12-14 (JMA)
          pp15-19 (GSI)
    (2) Earthquake in off the coast of Iwate Pref.(Mar. 18,Mar. 30)
          p20 (JMA)
    (3) Seismic activity in Noto region, Ishikawa Prefecture.
          p21 (JMA)
          pp22-23 (GSI)
          p24 (ISM)
    (4) Earthquake in off the coast of Ibaraki Prefecture.(Apr. 19)
          p25 (JMA)
    (5) Seismic activity in southern Kyoto Prefecture.(Mar. 31,May. 2)
          p26 (JMA)
    (6) Seismic activity in off the coast of northwest Okinawa main island.(Mar. 17)
          p27 (JMA)

  • Intensive discussion "Crustal activities of the Sea of Japan region off Northeast Japan".

    •       p29 Convener: Tatsuya ISHIYAMA (ERI, Earthquake Research Institute, The University of Tokyo)

    -Seismogenic source faults in the backarc region of Northeast Japan and hosted risk communication meetings
          p31 Hiroshi Sato (ERI)
    -Prediction of strong ground motions for seismogenic source faults in the backarc of Northeast Japan
          p32 Tomotaka Iwata (Disaster Prevention Research Institute Kyoto)
    -Deterministic and probabilistic tsunami forecast from seismogenic source faults in the backarc of Northeast Japan
          p33 Kenji Satake (ERI)
    -Fault stressing in the backarc region of the Northeast Japan arc due to the plate-to-plate interaction along the Japan trench
         p34 Akinori Hashima (JAMSTEC)

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