@article{oai:repository.dl.itc.u-tokyo.ac.jp:00038636,
 author = {Omori, F.},
 journal = {Publications of the Earthquake Investigation Committee in foreign languages},
 month = {Feb},
 note = {application/pdf},
 pages = {109--121},
 title = {GROUP IV. Earthquakes which originated off the coasts of the provinces of Hitachi and Iwaki},
 volume = {6},
 year = {1901}
}