【摘要】 文章综合介绍了联邦德国汉堡大学地球物理研究所杜达教授访华的学术活动概况及其主要学术观点;同时,还介绍了在此期间杜达所参加的中国地震学会地震学专业委员会震级工作组在北京和南京分别召开的地震震级讨论会的概况。更多还原

【Abstract】 The fourth paper gives a general account of the academic activities and viewpoints of Professor Duda from the Geophysical Institute,Hamburg University,Federal Germany during his visit in China;it also outlines the Workshops on Earthquake Magnitude which Duda attended to,separately held in Beijing and Nanjing,sponsored by the Magnitude Work Group of the Seismological Committee of the Chinese Seismolo- gical Society.更多还原