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During the 75 years between 1886 and 1960, Kinki, Chubu, Kanto and other areas of Japan were struck by 4 strong earthquakes of about magnitude 8.0 and a number of M 7 shocks. Prior to the occurrence of these shocks, drastic fluctuations of atmospheric pracipitation over large areas (hundreds of thousand square kilometers) were detected in the surroundings of the earthquake areas. Although the physical mechanism of precipitation variations affecting seismicity is still a problem awaiting for further investigations, such kind of distinct statistical relationship has obviously furnished references for the practice of earthquake prediction.
During the 75 years between 1886 and 1960, Kinki, Chubu, Kanto and other areas of Japan were struck by 4 strong earthquakes of about 8.0 and a number of M 7 shocks. Prior to the occurrence of these shocks, drastic fluctuations of atmospheric pracipitation over large areas (hundreds of thousand square kilometers) were detected in the surroundings of the earthquake areas. yet the physical mechanism of precipitation variations affecting seismicity is still a problem awaiting for further investigations, such kind of distinct statistical relationship has obviously furnished references for the practice of earthquake prediction