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日本由于它所处的自然环境,自古以来曾屡遭大震的袭击,受到极其严重的震害和损失。因此,地震预报被确定为日本国家的重要政策课题。根据日本测地学审议会建议的地震预报计划,各国立大学、气象厅、国土地理院等有关单位正在进行各具有特色的、有计划的综合观测研究。现在实施的第四个五年地震预报计划是从1979年到1983年,今年是此次计划的最后一年,为了很好地制定出第五个地震预报计划,确定战略方针,明确重点和急待研究的课题,日本测地学审议会专门在地震火山部会地震预报特别委员会下设一个工作委员会,从1981年10月开始,整整花了10个月的时间,对第四个五年计划的执行情况、取得的进展和成果、存在并且必须加以重视和研究的课题,作了认真的调查、分析、审议和总结,并对今后的地震预报研究作了设想和展望,指出研究的任务、方向和重点,在此基础上写出了《关于推进地震预报的第四个计划执行情况》的报告。日本测地学审议会于1982年7月30日召开全会,听取并通过了这份报告。报告共四个部分:第一部分为序言,第二部分是制定第四个五年计划时的基本思想,第三部分是第四个五年计划的进展与成果,第四部分是对第四个五年计划执行情况的评价。这里主要摘编第四个五年计划的成果、评价及其对今后地震预报的展望。关于展望,实际上是第五个五年计划的主要内容,也是日本地震预报近期要解决的主要问题。因上述内容较长,限于篇幅,将在本期和下一期分两期刊载。
As a result of the natural environment it is in, Japan has suffered numerous earthquakes since ancient times and suffered extremely serious damage and losses. Therefore, earthquake prediction has been identified as an important policy issue for Japanese countries. According to the Earthquake Prediction Plan recommended by the Japan Geodesy Council, various state-owned universities, meteorological agencies, territorial and geographical institutes, and other relevant units are carrying out comprehensive and planned comprehensive observational studies. The fourth five-year earthquake prediction program now being implemented is from 1979 to 1983 and this year is the final year of the plan. In order to well develop the fifth earthquake prediction program, set the strategic direction, make it clear and urgent To be studied, the Japan Geodesy Council devoted itself to a working committee under the Special Commission for Seismological Volcanoes and Earthquake Prediction. Starting from October 1981, it took exactly 10 months for the implementation of the fourth five-year plan Situation, progress made and achievements, existing and must be paid attention to and research topics, made a careful survey, analysis, review and summary, and the future of earthquake prediction research made the vision and outlook, pointed out that the task of research, direction and On this basis, he wrote a report on “Implementation of the Fourth Plan to Promote Earthquake Prediction”. The Japan Geodesy Council convened a plenary meeting on July 30, 1982, and listened to and adopted the report. The report consists of four parts: the first part is the preamble, the second part is the basic idea of the fourth five-year plan, the third part is the progress and achievements of the fourth five-year plan, the fourth part is the fourth Evaluation of the implementation of the five-year plan. The main excerpt here from the fourth five-year plan of the results, evaluation and forecast of future earthquakes. About the outlook is actually the main content of the fifth five-year plan and also the major issue to be solved in the near future in Japan’s earthquake prediction. Due to the above content is longer, limited to space, will be published in two issues this period and the next issue.