Geometry of the Aegean Benioff zones

M. Knapmeyer

Abstract


The morphology of the Aegean Benioff zone was reconstructed using 1366 hypocentres from the PDE catalogue 1973-1997. Two such zones are identified under the Aegean area, a large one (Main Aegean Subduction, MAS) spanning the whole Hellenic arc and a smaller and younger one under the Western Peloponnesus. The geometry of the MAS suggests that it blocks its own subduction and, therefore, causes the development of the smaller western zone as a result of a step back process in the Pliocene.

Keywords


Aegean;subduction;Wadati Benioff zones

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References


DOI: https://doi.org/10.4401/ag-3697
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X