Analysis of eleven years of deformation measured by GPS in the Corinth Rift Laboratory area [Analyse de onze années de mesures de deformations collectées par GPS dans la zone du laboratoire du rift de corinthe]

Analysis of eleven years of deformation measured by GPS in the Corinth Rift Laboratory area [Analyse de onze années de mesures de deformations collectées par GPS dans la zone du laboratoire du rift de corinthe]

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Title

Analysis of eleven years of deformation measured by GPS in the Corinth Rift Laboratory area [Analyse de onze années de mesures de deformations collectées par GPS dans la zone du laboratoire du rift de corinthe] (EN)

Creator

Agatza-Balodimou, AM (EN)

Avallone, A (EN)

Papazissi, K (EN)

Veis, G (EN)

Paradissis, D (EN)

Billiris, H (EN)

Charade, O (EN)

Mitsakaki, C (EN)

Briole, P (EN)

Nercessian, A (EN)

Type

journalArticle (EN)

Partial document
Publication in journal (EN)

Article
Scientific article (EN)

Issued

2014-03-01T01:19:54Z

2004 (EN)

Year

2004 (EN)

Description

GPS (Global Positioning System) data collected in the Corinth Rift during eleven campaigns between 1990 and 2001 provide velocities of 57 points with similar to1.5 mm yr(-1) accuracy. Peloponnesos moves at 30 mm yr(-1) to the N215degreesE with respect to a fixed Europe. Extension across the rift is accommodated in a narrow band offshore. Its rate increases from east to west and is 16 mm yr(-1) near Aigion. Both sides of the rift behave as clockwise rotating blocks with rates of 7 +/- 0.5degrees Myr(-1) and 2.8 +/- 0.8degrees Myr(-1), respectively for the northern and southern blocks. After removing block rotations, the northern block shows a north-south extension rate of 120 +/- 50 nstrain yr(-1), whereas I the southern block indicates the internal deformation is still inside the error bar (< 20 nstrain yr(-1)). The strain accumulation across the major faults located along the southern coast of the Corinth Gulf is less than 1 mm yr(-1). This implies long recurrence periods for large earthquakes on these faults. To cite this article: A. Avallone et al., C. R. Geoscience 336 (2004). (C) 2004 Academie des sciences. Published by Elsevier SAS. All rights reserved. (EN)

Scientific field

Geosciences, Multidisciplinary (EN)

Natural Sciences
Earth and related Environmental Sciences (EN)

Subject

Block rotations (EN)

Extension (EN)

seismotectonics (EN)

Corinth Rift (EN)

rift zone (EN)

GPS (EN)

crustal deformation (EN)

Journal