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据日本《朝日新闻》1979年8月21日报道,8月20日下午,在东京大学召开的地震预报联络会第74次定期会上,报告了认为东海地震震源区的骏河湾附近有“反转”现象这一异常地壳变化的大地测量结果。一般的说,在地壳变化中,若持续很久的稳定趋势一旦发生急剧变化,就有“发生地震的危险”。为此,在这次会上进行了热烈的讨论。但由于这次“反转”现象在误差之内,尚有继续调查的余地。虽说“不是与地震直接相关的变化”,但仍要“注意加强观测”。
According to Japan’s “Asahi Shimbun” reported on August 21, 1979, on the afternoon of August 20, at the 74th regular meeting of the Earthquake Prediction and Communication Association held at the University of Tokyo, it was reported that the vicinity of Suruga Bay, Reversal “phenomenon of abnormal crustal changes in the geodesy results. Generally speaking, in the case of crustal changes, if there is a drastic change in the long-term stability trend, there is ”the danger of an earthquake.“ To this end, the meeting conducted a lively discussion. However, due to the fact that the ”reverse“ phenomenon is within the error, there is still room for further investigation. Although ”it is not a change directly related to the earthquake,“ we still need to ”pay attention to strengthening the observation."