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Variation of seismic activity and b -value in the wadati-benioff zone of the hellenic arc

Identifieur interne : 000427 ( Main/Exploration ); précédent : 000426; suivant : 000428

Variation of seismic activity and b -value in the wadati-benioff zone of the hellenic arc

Auteurs : C. Christova [Bulgarie] ; J. Van K [République tchèque]

Source :

RBID : ISTEX:28B936748F6582ADCB2521D3D6C49A72A3ADA59E

English descriptors

Abstract

Summary: The statistics of the vertical distribution of earthquake foci belonging to the Wadati-Benioff zone in the Hellenic arc show that the seismic activity, in terms of the total number of events at a given depth range during the period 1901–82, and b value of the frequency-magnitude relation vary with depth in a specific manner. The seismic activity of the western and eastern flanks of the Wadati-Benioff zone varies with depth in a similar way, whereas the b-value depth variation for these two flanks of the subduction zone does not show such a similarity.

Url:
DOI: 10.1007/BF02295926


Affiliations:


Links toward previous steps (curation, corpus...)


Le document en format XML

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<term>Depth distribution</term>
<term>Depth interval</term>
<term>Depth intervals</term>
<term>Depth range</term>
<term>Different depth distribution</term>
<term>Earthquake frequency</term>
<term>Earthquake phenomena</term>
<term>Eastern flank</term>
<term>Eastern flanks</term>
<term>Eastern part</term>
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<term>Fracture zones</term>
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<term>Geophysical institute</term>
<term>Greater depths</term>
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<term>Hellenic subduction zone</term>
<term>Hellenic zone</term>
<term>Intermediate earthquakes</term>
<term>Island arcs</term>
<term>Lower part</term>
<term>Lower parts</term>
<term>Magnitude class</term>
<term>Magnitude classes</term>
<term>Open circles</term>
<term>Outer part</term>
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<term>Present study</term>
<term>Regional catalogue</term>
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<term>Seismic activity</term>
<term>Seismic properties</term>
<term>Seismicity</term>
<term>Shallow earthquakes</term>
<term>Shocks magnitude range</term>
<term>Significant differences</term>
<term>Small number</term>
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<term>Subduction zone</term>
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<term>Upper mantle</term>
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<div type="abstract" xml:lang="en">Summary: The statistics of the vertical distribution of earthquake foci belonging to the Wadati-Benioff zone in the Hellenic arc show that the seismic activity, in terms of the total number of events at a given depth range during the period 1901–82, and b value of the frequency-magnitude relation vary with depth in a specific manner. The seismic activity of the western and eastern flanks of the Wadati-Benioff zone varies with depth in a similar way, whereas the b-value depth variation for these two flanks of the subduction zone does not show such a similarity.</div>
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