@article{oai:tohoku.repo.nii.ac.jp:00011884,
 author = {Matsuzawa, Toru and Igarashi, Toshihiro and Hasegawa, Akira},
 issue = {2},
 journal = {The science reports of the Tohoku University. Fifth series, Tohoku geophysical journal},
 month = {Sep},
 note = {application/pdf, 紀要類 (bulletin), 167618 bytes},
 pages = {263--263},
 title = {Regularly Occurring Small Earthquake off Sanriku, Japan (Abstract)},
 volume = {36},
 year = {2001}
}