【摘要】 文章概述了日本学者多年来对鲇鱼预报地震的研究成果，同时介绍了日本开展地下电磁波垂直分量法的观测和对地震前发生超低频电磁波的理论研究。更多还原

【Abstract】 This paper outlines the research results obtained by Japanese scholars of predicting earthquakes by catfish for many years. And at the seme time, describes the observation of vertical component of underground electromagnetic waves and the thoretical research on electromagneticwaves of ultralow frequency appearing before earthquakes; and the method of vertical componentof EM waves developed in Japan.更多还原