The Precursory Information of Impending Earthquake Learnt from the Strong Earthquakes of the Past Few Years in Japan

This paper introduces the precursory information of Impending Earthquake Learnt from five strong Earthquakes, (happened respectively on January 17, 1995,M_s=7.4; December 28, 1994, M_s=7.8; October 4, 1994, M_s=7.9; July 22, 1994;M_s=7.0; July 12, 1993, M_s=7.7) in Japan. The precursory information of Impending Earthquakes includes the infrasonic sound wave, the crustal strain, the abnormal behavior of budgerigars, the inicro -vibration of Earth.