Posted on 02/18/21
| News Source: Reuters
Earth had its quietest period in decades during 2020 as the COVID-19 pandemic significantly reduced human activity and its impact on the planet’s crust, according to scientists working on a global study.
An international group of seismologists from 33 countries measured a drop of up to 50% in so-called ambient noise generated by humans travelling and factories humming after lockdowns came into force around the world.
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The team, which included experts from the Swiss Seismological Service at ETH Zurich, a university, measured lower noise levels at 185 of the 268 seismic stations analysed around the world.
Urban ambient noise fell by up to 50% at some measuring stations during the tightest lockdown weeks, as buses and train services were reduced, aircraft grounded and factories shuttered.
Read more at Reuters.