【摘要】 发现了中国不同年份 8级大震发生日期之间的倍九天时间间隔 ,对于陕甘宁地区 7级以上大震的类似时间特征也被发现了。这种时间间隔可能是不同年份相同季节具有倍九天时间间隔的季风振荡触发大震形成的。更多还原

【Abstract】 The bigger the earthquake, the higher the possibility triggered by external factors. Because the larger the earthquake source volume, the more the unstable points included in a source volume is. The relation between the oscillation of monsoon with quasi-period of 9 days and the rhythm of multiplied nine days in different years on earthquake occurrence have been discussed. The relation may be referred for predicting earthquake occurrence date.更多还原