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We just submitted a super-cool paper about seismic noise changes in China and Italy following COVID-19 lockdown. In Enshi (nearish Wuhan) the noise drop in the frequency band of pedestrians and local factories was equivalent to 20 years' worth of industrialization and growth.
In Beijing (no official #lockdown) pedestrian traffic is *still* below a normal year, and has been for months. Here we compare 2018 and 2020 aligned by Lunar New Year, which always sees a noise drop as folks travel home. #seismicnoise #Covid_19
Meanwhile in Rome, the population seems to be behaving in an increasingly conservative way, with less and less #noise in the foot-traffic frequency band as the lockdown wears on.
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