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COVID19 pandemic lockdowns in countries with a dominant informal economy have been a greater challenge. This motivated the monitoring of the mobility of populations with seismic noise throughout the various phases of lockdown and sportive events in the city of Querétaro (central Mexico). Using a network of low-cost instruments, our results further emphasize the benefit of densifying urban seismic networks over exclusively relying on mobile technologies.
Preprints
https://doi.org/10.5194/se-2020-194
https://doi.org/10.5194/se-2020-194

  04 Dec 2020

04 Dec 2020

Review status: a revised version of this preprint is currently under review for the journal SE.

Seismic signature of the COVID-19 lockdown at the city-scale: A case study with low-cost seismometers in the city of Querétaro, Mexico

Raphael S. M. De Plaen1, Víctor Hugo Márquez-Ramírez1, Xyoli Pérez-Campos2, Francisco Ramón Zuñiga Davila-Madrid1, Quetzalcoatl Rodríguez-Pérez1, Juan Martín Gómez González1, and Lucia Capra1 Raphael S. M. De Plaen et al.
  • 1Centro de Geociencias, Universidad Nacional Autónoma de México, Juriquilla, Querétaro, Mexico
  • 2Instituto de Geofísica, Universidad Nacional Autónoma de México, Mexico City, Mexico

Abstract. Seismometers have detected the social response to lockdown measures implemented following the onset of the COVID-19 pandemic in cities around the world. This long-lasting lockdown has been a particular challenge in countries such as Mexico, where the informal economy constitutes most of the working population. This context motivated the monitoring of the mobility of populations throughout the various phases of lockdown measures, independently from people's access to the internet and mobile technologies.

Here we use the variation of anthropogenic seismic noise in the city of Querétaro (central Mexico) recorded by a network of low-cost Raspberry Shake seismic stations to study the spatial and temporal variation of human activity in the city throughout the pandemic and during sportive events. The results emphasize the importance of densifying urban seismic networks and tracking human activities without the privacy concerns associated with mobile technologies.

Raphael S. M. De Plaen et al.

 
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Raphael S. M. De Plaen et al.

Raphael S. M. De Plaen et al.

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Short summary
COVID19 pandemic lockdowns in countries with a dominant informal economy have been a greater challenge. This motivated the monitoring of the mobility of populations with seismic noise throughout the various phases of lockdown and sportive events in the city of Querétaro (central Mexico). Using a network of low-cost instruments, our results further emphasize the benefit of densifying urban seismic networks over exclusively relying on mobile technologies.
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