A study of the active tectonics and deformation in the Mygdonia basin (N. Greece) using seismological and neotectonic data

PDF (English)
Δημοσιευμένα: янв. 1, 2001
DOI: https://doi.org/10.12681/bgsg.17027
C. B. PAPAZACHOS
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης
D. A. VAMVAKARIS
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης
G. N. VARGEMEZIS
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης
E. V. AIDONA
Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης
Περίληψη

In the present work we study the active tectonics setting and related deformation scheme in the Mygdonia basin, on the basis of the joint interpretation of seismological and neotectonic data. For this reason, the stress field derived from fault plane solutions of small-magnitude events from a local seismological experiment, as well as neotectonic observations are studied in order to determine its spatial distribution. The results show an almost identical spatial variation of the stress field determined from the two independent data sets, which also exhibits a very good correlation with the geomorphological changes in the Mygdonia basin. Moreover, the average stress field is almost identical to the corresponding stress pattern determined from the 3 largest events in the study area for which reliable fault plane solutions are available. Using the combined stress pattern and the corresponding moment-rate tensors derived from both data sets, the active crustal deformation is studied for the most active sections of the Mygdonia basin system. The results show a N-S extension at an average rate of 3mm/ yr for the central part of the Mygdonia system, in very good agreement with the available geodetic results.

Λεπτομέρειες άρθρου
  • Ενότητα
  • Τεκτονική
Creative Commons License

Αυτή η εργασία είναι αδειοδοτημένη υπό το CC Αναφορά Δημιουργού – Μη Εμπορική Χρήση 4.0.

Οι συγγραφείς θα πρέπει να είναι σύμφωνοι με τα παρακάτω: Οι συγγραφείς των άρθρων που δημοσιεύονται στο περιοδικό διατηρούν τα δικαιώματα πνευματικής ιδιοκτησίας επί των άρθρων τους, δίνοντας στο περιοδικό το δικαίωμα της πρώτης δημοσίευσης. Άρθρα που δημοσιεύονται στο περιοδικό διατίθενται με άδεια Creative Commons 4.0 Non Commercial και σύμφωνα με την οποία μπορούν να χρησιμοποιούνται ελεύθερα, με αναφορά στο/στη συγγραφέα και στην πρώτη δημοσίευση για μη κερδοσκοπικούς σκοπούς. Οι συγγραφείς μπορούν να: Μοιραστούν — αντιγράψουν και αναδιανέμουν το υλικό με κάθε μέσο και τρόπο, Προσαρμόσουν — αναμείξουν, τροποποιήσουν και δημιουργήσουν πάνω στο υλικό.

Λήψεις
Τα δεδομένα λήψης δεν είναι ακόμη διαθέσιμα.
Αναφορές
AKI, K. AND RICHARDS, P. 1980. Quantitative Seismology: Theory and methods, Freeman, San Francisco, Calif.,557 pp.
CHRISTODOULOU, A. 1986. Etude Sismotectonique et Inversion Tridimensionnelle en Grece du Nord. PhD thesis, University of Grenoble I, pp. 181.
HATZFELD, D., CHRISTODOULOU, A.A., SCORDILIS, E.M., PANAGIOTOPOULOS, D., AND P.M. HATZIDIMITRIOU, 1987. A microearthquake study of the Mygdonian graben (northern Greece). Earth and Planetary Science Letters 81, 379-396.
HATZIDIMITRIOU, P.M., SCORDILIS, E.M., PAPADIMITRIOU, E.E., HATZFELD, D. AND CHRISTODOULOU, A.A. 1991. Microearthquake study of the Thessaloniki area (northern Greece). Terra Nova 3, 648-654.
JACKSON, J. AND MCKENZIE, D. 1988. The relationship between plate motions and seismic moment tensors and the rates of active deformation in the Mediterranean and Middle East. Geophys. J. Int. 93, 45-73.
KOSTROV, V. 1974. Seismic moment and energy of earthquakes, and seismic flow of rock. Izv. Acad. Sc. USSR Phys. Solid Earth, 1, 23-44.
MARTINOD, J., HATZFELD, D., SAVVAIDIS, P. AND KATSAMBALOS, K. 1997. Rapid N-S extension in Mygdonian graben (Northern Greece) deduced from repeated geodetic surveys. Geophysical Research Letters 24, 3293-3296.
MOUNTRAKIS, D., KILIAS, Α., PAVLIDES, S., SOTIRIADIS, L., PSILOVIKOS, Α., ASTARAS, T, VAVLAKIS, E., KOUFOS, G., DIMOPOULOS, G, SOULIOS, G, XRISTARAS, V., SKORDILIS, M., TRANOS, M., SPYROPOULOS, N., PATRAS, D., SYRIDES, G, LABRINOS, N. AND LAGGALIS, Τ 1997. Neotectonic Maps of Langada and Thessaloniki, Laboratory of Geology and Paleontology, Univ. of Thessaloniki, 2 maps and 2 leaflets.
PAPAZACHOS, B.C., MOUNTRAKIS, D., PSILOVIKOS, A. AND LEVENTAKIS, G 1979. Surface fault traces and fault plane solutions of May - June 1978 major shocks in the Thessaloniki area. Tectonophysics 53, 171-183.
PAPAZACHOS, B. C. AND PAPAZACHOU, K. 1997. The earthquakes of Greece, Ziti Pubi., 304pp., Thessaloniki, Greece.
PAPAZACHOS, C. B. AND KIRATZI, A. A. 1992. A formulation for reliable estimation of active crustal deformation and an application to central Greece. Geophys. J. Int. I l l , 424-432.
PAPAZACHOS, C. B., KIRATZI A. A. AND PAPAZACHOS B. C. 1992. Rates of active crustal deformation in the Aegean and surrounding area. J. Geodynamics 16, 147 -179.
PAPAZACHOS, C. B., AND KIRATZI, A. A. 1996. A detailed study of the active crustal deformation in the Aegean and surrounding area, Tectonophysics 253, 129-153.
PAPAZACHOS, C, SOUPIOS, P., SAVVAIDIS, A. AND ROUMELIOTI, Z. 2000. Identification of small-scale active faults near metropolitan areas: an example from the Asvestochori fault near Thessaloniki, Proc. Of the XXVII ESC General Assembly, Lisbon, Portugal, 15-20 September 2000, (in press).
PAVLIDES, S.B. AND KILIAS, A.A. 1987. Neotectonic and active faults along the Servomacedonian zone (SE Chalkidiki, northern Greece). Annales Tectonicae 1, 9-104.
PAVLIDES, S.B., KONDOPOULOU, D.P., KILIAS, A.A. AND WESTPHAL, M. 1988. Complex rotational deformations in the Serbo-Macedoni an massif (north Greece): structural and palaeomagnetic evidence. Tectonophysics 145, 329-335.
SCORDILIS, E.M., 1985. Microseismic study of the Servomacedonian zone and the surrounding area. Ph.D. Thesis, University of Thessaloniki, (in Greek).
Τα περισσότερο διαβασμένα άρθρα του ίδιου συγγραφέα(s)