China News Service, March 10. According to the Japan Broadcasting Association (NHK), the Japanese Government’s Earthquake Investigation Committee held a meeting on the 9th to analyze the seismic activity in the 10 years from the Great East Japan Earthquake to the beginning of March 2021. Said that "large-scale earthquakes may occur for a long period of time in the future, and we need to be vigilant."
Data map: On March 11, 2019 local time, on the occasion of the 8th anniversary of the 2011 Great East Japan Earthquake and Tsunami disaster, people from many parts of Japan went to the disaster area to pray for blessings.
According to reports, the analysis results show that a total of 208 earthquakes with a magnitude of 4 on the Richter scale were observed in the aftershock area of the Great Northeast Coast Earthquake in about one year after March 2020, which is the same as the one year after the 2011 major earthquake. Ratio, reduced to one-fifth.
In addition, GPS observations show that, affected by the Great East Japan Earthquake, large areas of Tohoku and East Japan continue to observe crustal changes after the earthquake.
Based on the above results, the Japan Earthquake Investigation Commission stated that “large-scale earthquakes may occur for a long period of time in the future, causing violent shaking and triggering tsunamis, and we need to be vigilant.”
Nao Hirata, Chairman of the Japan Earthquake Investigation Commission and Counselor of the Institute of Disaster Prevention Science and Technology, said: "The north, south, and offshore areas of the Tohoku Offshore Earthquake may cause major earthquakes in the future, causing violent shaking and triggering tsunamis. Earthquakes. The place of occurrence is not limited to the Tohoku region, it is possible in all of Japan. I hope everyone will prepare early and take precautions."