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Article

Multiscale Post-Seismic Deformation Based on cGNSS Time Series Following the 2015 Lefkas (W. Greece) Mw6.5 Earthquake

1
Section of Geophysics—Geothermics, Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, Panepistimiopolis, GR15784 Athens, Greece
2
Institute of Physics of Earth’s Interior and Geohazards, UNESCO Chair on Solid Earth Physics and Geohazards Risk Reduction, Hellenic Mediterranean University Research Center, GR73100 Grete, Greece
*
Author to whom correspondence should be addressed.
Academic Editor: Mirko Reguzzoni
Appl. Sci. 2021, 11(11), 4817; https://doi.org/10.3390/app11114817
Received: 1 May 2021 / Revised: 18 May 2021 / Accepted: 21 May 2021 / Published: 24 May 2021
(This article belongs to the Special Issue Advances in Applied Geophysics)
In the present work, a multiscale post-seismic relaxation mechanism, based on the existence of a distribution in relaxation time, is presented. Assuming an Arrhenius dependence of the relaxation time with uniform distributed activation energy in a mesoscopic scale, a generic logarithmic-type relaxation in a macroscopic scale results. The model was applied in the case of the strong 2015 Lefkas Mw6.5 (W. Greece) earthquake, where continuous GNSS (cGNSS) time series were recorded in a station located in the near vicinity of the epicentral area. The application of the present approach to the Lefkas event fits the observed displacements implied by a distribution of relaxation times in the range τmin ≈ 3.5 days to τmax ≈ 350 days. View Full-Text
Keywords: post seismic relaxation; cGNSS; hierarchically constrained dynamics; Lefkas earthquake post seismic relaxation; cGNSS; hierarchically constrained dynamics; Lefkas earthquake
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MDPI and ACS Style

Vallianatos, F.; Sakkas, V. Multiscale Post-Seismic Deformation Based on cGNSS Time Series Following the 2015 Lefkas (W. Greece) Mw6.5 Earthquake. Appl. Sci. 2021, 11, 4817. https://doi.org/10.3390/app11114817

AMA Style

Vallianatos F, Sakkas V. Multiscale Post-Seismic Deformation Based on cGNSS Time Series Following the 2015 Lefkas (W. Greece) Mw6.5 Earthquake. Applied Sciences. 2021; 11(11):4817. https://doi.org/10.3390/app11114817

Chicago/Turabian Style

Vallianatos, Filippos, and Vassilis Sakkas. 2021. "Multiscale Post-Seismic Deformation Based on cGNSS Time Series Following the 2015 Lefkas (W. Greece) Mw6.5 Earthquake" Applied Sciences 11, no. 11: 4817. https://doi.org/10.3390/app11114817

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