yle="FONT-FAMILY: ’Times New Roman’; FONT-SIZE: 10.5pt; mso-font-kerning: 1.0pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US>To carry out the project "Study on paleo-tsunami in east and southeast seashore area of China" supported by China Ministry of Science and Technology, the authors made a study tour to Japan in April, 2007. In this visit, the authors investigated roughly the tsunami deposits in Ishinomaki Plain, Miyaki County, Japan, where a huge earthquake of MW 9.0 occurred at March 11, 2011. This earthquake caused a great tsunami along the northeast coast of Honsyu Island, Japan, bringing lots of death and huge economic loss. The results demonstrated three tsunami events occurred in this area. The latest one occurred before 915 AD, when the Towada volcano erupted and the tephra from this eruption covered almost all of the ce prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />ce w:st="on">Northeast Japance>, corresponding to the 869 AD Jogan earthquake tsunami.
