Geodetic evidence for passive control of a major Miocene tectonic boundary on the contemporary deformation field of Athens (Greece)

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Published: 2014-02-21
DOI: https://doi.org/10.4401/ag-6238
Keywords:
Crustal Deformation, GPS, Strain, Athens, Greece

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Michael Foumelis
European Space Agency (ESA-ESRIN), Frascati (Rome),
Ioannis Fountoulis
National and Kapodistrian University of Athens, Department of Dynamics Tectonics and Applied Geology, Athens,
Ioannis D. Papanikolaou
Agricultural University of Athens, Department of Geological Sciences and Atmospheric Environment, Laboratory of Mineralogy and Geology, Athens,
Dimitrios Papanikolaou
National and Kapodistrian University of Athens, Department of Dynamics Tectonics and Applied Geology, Athens,

Abstract

A GPS-derived velocity field is presented from a dense geodetic network (~5km distance between stations) established in the broader area of Athens. It shows significant local variations of strain rates across a major inactive tectonic boundary separating metamorphic and non-metamorphic geotectonic units. The southeastern part of Athens plain displays negligible deformation rates, whereas towards the northwestern part higher strain rates are observed, indicating the control of the inactive tectonic boundary on the contemporary deformation field of the region. These findings are in agreement with previous geological observations, however, due to the dense local GPS network it was fatherly possible to localize and quantify the effect of such a major inherited tectonic feature on the deformation pattern of the area.

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Vol. 56 No. 6 (2013): Earthquake geology: science, society and critical facilities

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SPECIAL ISSUE

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How to Cite

(1)
Foumelis, M.; Fountoulis, I.; Papanikolaou, I. D.; Papanikolaou, D. Geodetic Evidence for Passive Control of a Major Miocene Tectonic Boundary on the Contemporary Deformation Field of Athens (Greece). Ann. Geophys. 2014, 56 (6). https://doi.org/10.4401/ag-6238.

References