Global Quiet

The plunge in human activities worldwide in recent months due to the pandemic has brought the longest and most pronounced quiet period of seismic noise in recorded history. An international team of scientists write in the journal Science that the relative quiet has allowed them to detect previously concealed earthquake signals, which could help us more accurately tell the difference in the future between man-made and natural seismic noise. The typically quiet periods around Christmas, New Year’s and the Chinese New Year have been eclipsed by the decline of industrial production, transport and service industries brought on by COVID-19.

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