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Global quieting of high-frequency seismic noise due to COVID-19 pandemic lockdown measures
Author(s) -
Thomas Lecocq,
Stephen Hicks,
Koen Van Noten,
Kasper van Wijk,
Paula Koelemeijer,
Raphaël De Plaen,
Frédérick Massin,
Gregor Hillers,
R. E. Anthony,
Maria-Theresia Apoloner,
Mario Arroyo-Solórzano,
Jelle Assink,
Pınar Büyükakpınar,
Andrea Cannata,
Flavio Cannavò,
Sebastián Carrasco,
Corentin Caudron,
Esteban J. Chaves,
David G. Cornwell,
David Craig,
Olivier F. C. den Ouden,
Jordi Díaz,
Stefanie Donner,
Christos Evangelidis,
Läslo Evers,
Benoit Fauville,
Gonzalo A. Fernandez,
D. Giannopoulos,
Steven J. Gibbons,
Társilo Girona,
Bogdan Grecu,
Marc Grunberg,
György Hetényi,
Anna Horleston,
Adolfo Inza,
J. C. E. Irving,
Mohammadreza Jamalreyhani,
A. L. Kafka,
Mathijs Koymans,
C. R. Labedz,
Éric Larose,
Nathaniel J. Lindsey,
Mika McKin,
Tobias Megies,
Meghan S. Miller,
W. G. Minarik,
Louis Moresi,
Víctor Hugo Márquez-Ramírez,
Martin Möllhoff,
Ian Nesbitt,
Shankho Niyogi,
Javier Ojeda,
Adrien Oth,
Simon Proud,
Jay J. Pulli,
Lise Retailleau,
Annukka Rintamäki,
Claudio Satriano,
M. K. Savage,
Shahar ShaniKadmiel,
Reinoud Sleeman,
Efthimios Sokos,
Klaus Stammler,
Alexander Stott,
Shiba Subedi,
Mathilde B. Sørensen,
T. Taira,
Mar Tapia,
Fatih Turhan,
Ben A. van der Pluijm,
Mark Vanstone,
Jérôme Vergne,
Tommi Vuorinen,
T. Warren,
Joachim Wassermann,
Han Xiao
Publication year - 2020
Publication title -
science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.556
H-Index - 1186
eISSN - 1095-9203
pISSN - 0036-8075
DOI - 10.1126/science.abd2438
Subject(s) - covid-19 , pandemic , noise (video) , acoustics , seismology , computer science , geology , virology , medicine , physics , artificial intelligence , disease , outbreak , infectious disease (medical specialty) , image (mathematics)
Human activity causes vibrations that propagate into the ground as high-frequency seismic waves. Measures to mitigate the coronavirus disease 2019 (COVID-19) pandemic caused widespread changes in human activity, leading to a months-long reduction in seismic noise of up to 50%. The 2020 seismic noise quiet period is the longest and most prominent global anthropogenic seismic noise reduction on record. Although the reduction is strongest at surface seismometers in populated areas, this seismic quiescence extends for many kilometers radially and hundreds of meters in depth. This quiet period provides an opportunity to detect subtle signals from subsurface seismic sources that would have been concealed in noisier times and to benchmark sources of anthropogenic noise. A strong correlation between seismic noise and independent measurements of human mobility suggests that seismology provides an absolute, real-time estimate of human activities.

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