The Temporal Variation of LURR in Kanto and Other Regions in Japan and Its Application to Earthquake Prediction

The temporal variation of LURR(y)for Kanto,Wakayama,and Hugo regions in Japan has been calculated and analysed.The LURR(y)values are significantly higher than 1 before the occurrence of all earthquakes with magnitude M≥6.0 in the Kanto region during the last two decades and the Kobe earthquake(1995-01-17).These results suggest that LURR theory is available for Japan.Recently they-value for Wakayama region has been near 1,while the y-value is remarkably larger than 1 for nearly two years for Kanto.According to these results,it is predicted that a strong earthquake with magnitude of about 6.0 could occur in 1 year or a little longer for in Kanto region or its adjacent regions,but there is little possibility for the Wakayama region.

关东等地区加卸载响应比的时间变化及其预测意义

计算分析了日本关东、和歌山及兵库地区的加卸载响应比（ｙ）的变化。关东地区近年来所有Ｍ≥６的７个地震及１９９５年１月１７日神户地震，在地震前的一段时间里其ｙ值均显著高于１。这说明加卸载响应比方法也适用于日本的地震预测。和歌山地区近年来的ｙ值接近于１，而关东地区的ｙ值则显著高于１已达２年。据此预测：未来１—２年内，关东地区（或其紧邻地区）有发生６级左右地震的可能，而和歌山地区这种可能性则很小。