Seismic Noise Decline under COVID-19 Crisis Observed at Senriyama Campus, Kansai Univ., Japan

Abstract

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

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