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Articles | Volume 12, issue 10
Articles | Volume 12, issue 10
https://doi.org/10.5194/se-12-2127-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/se-12-2127-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 10
Research article
 | 
30 Sep 2021
Research article |  | 30 Sep 2021

COVID-19 lockdown effects on the seismic recordings in Central America

Mario Arroyo-Solórzano, Diego Castro-Rojas, Frédérick Massin, Lepolt Linkimer, Ivonne Arroyo, and Robin Yani

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Latest update: 30 May 2025
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Short summary
We present the first seismic noise variation levels during COVID-19 in Central America using 10 seismometers. We study the impact of the seismic noise reduction on the detectability of earthquakes and on the felt reports. Our results show maximum values (~50 % decrease) at seismic stations near airports and densely inhabited cities. The decrease in seismic noise improved earthquake locations and reports. Seismic noise could also be useful to verify compliance with lockdown measures.
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Social seismology – the effect of COVID-19 lockdown measures...