@article{oai:kansai-u.repo.nii.ac.jp:00019022,
 author = {林, 能成 and 酒井, 慎一},
 journal = {社会安全学研究 = Journal of societal safety sciences},
 month = {Mar},
 note = {COVID-19 pandemic caused widespread changes in human activity, it also caused the seismic noise level changes all over the world. We analyzed seismograph data installed at Kansai University and detected seismic noise declines that closely matched the activity limits set by the university. It became clear that the high frequency band of 20 Hz or higher reflects the activity of people on campus.},
 pages = {151--160},
 title = {地震計を用いた新型コロナウィルス感染症による社会活動変化の評価 : 関西大学千里山キャンパスにおける観測事例},
 volume = {11},
 year = {2021}
}