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COVID-19 lockdown caused 50 percent global reduction in human-linked Earth vibrations

COVID-19 lockdown caused 50 percent global reduction in human-linked Earth vibrations

This quiet period, likely caused by the total global effect of social distancing measures, closure of services and industry, and drops in tourism and travel, is the longest and most pronounced quiet period of seismic noise in recorded history. The new research, led by the Royal Observatory of Belgium and five other institutions around the world including Imperial College London, showed that the dampening of 'seismic noise' caused by humans was more pronounced in more densely populated areas.

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