论文部分内容阅读
据日刊《科学》1980年第5卷第11号“科学时事”栏报道:1980年9月24日上午4点10分左右,在日本关东地方发生了强烈地震,震源在茨城县西南部,深度约60公里,震级约为5.4。宇都宫、水户地区烈度为四度(日本烈度表,下同);东京、横浜、千叶、前桥、甲府等地区烈度为三度。9月25日凌晨2点54分在千叶县中部又发生了 M～6.1的地震,震源深度为70公里。东京、横浜、千叶、熊谷、宇都宫、馆山、网代等地区烈度为四度。
According to the Journal of Science, Volume 5, Number 11, 1980, Science Current Affairs, column reported: On September 24, 1980, at about 4:10 am, a strong earthquake occurred in the Kanto region of Japan. The source of the earthquake was in the southwestern part of Ibaraki Prefecture. The depth About 60 kilometers, the magnitude is about 5.4. Utsunomiya, Mito area intensity of four degrees (Japan’s intensity table, the same below); Tokyo, Yokohama, Chiba, Maebashi, Kofu and other areas of intensity of three degrees. At 2:54 a.m. on September 25, an M ~ 6.1 earthquake occurred in the middle of Chiba Prefecture with a focal depth of 70 km. Tokyo, Yokohama, Chiba, Bear Valley, Utsunomiya, Tateyama, the Internet and other areas of intensity of four degrees.