The Corini Active Fault in Southwestern Viotia Region, Central Greece: Segmentation, Stress Analysis and Extensional Strain Patterns

Ganas, Athanassios; Spina, Vincenzo; Alexandropoulou, Nikolitsa; Oikonomou, Athanassia; Δρακάτος, Γ.

doi:10.12681/bgsg.16561

Cited by 5 publications

(3 citation statements)

References 22 publications

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“…At the northeast edge of the Corinth Gulf, the 12-km-long Corini normal fault near Coronea (Figure 3), striking roughly NE-SW and dipping toward SE, crops out along the south slope of the Elikon Mountain (Ganas et al, 2018). This structure, which resembles similar kinematics with the active faults of the south coast of the Gulf of Corinth, perhaps is younger than 1 Ma years but no association has been established with strong historical earthquakes in the area (Ganas et al, 2018). Several earthquake horizons were revealed by mapping visual weathering features and cosmogenic 36 Cl dating in Pisia fault (Figure 3) that was activated with the 1981 seismic sequence (Mechernich et al, 2018).…”

Section: Palaeoerthquakes In the Eastern Corinth Gulfmentioning

confidence: 99%

The mid-6th century AD enigmatic mega earthquake and tsunami in central Greece: a seismotectonic, archeological, and historical reexamination

Papadopoulos¹,

Triantafyllou

Vassilopoulou

2022

The Holocene

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In AD 552 the area around the Gulf of Corinth, Central Greece, was reportedly hit by large destructive earthquakes. At the same time a tsunami supposedly hit Maliac Bay. The case calls for a realistic interpretation since earthquake scenarios failed to explain rationally the narration of the contemporary Byzantine historian Procopius, the only literary source. Scholars have some doubts about Procopius’ reliability since he frequently copied classical authors. We found impressive similarities between the texts of Procopius and those by classic authors regarding the 426 BC central Greece tsunamigenic earthquake. Very likely the AD 552 Maliac Bay tsunami is a fake event in mimic of the 426 BC one. Sixth-century seismic disasters in southern Greece, reported away from the Gulf of Corinth have been attributed as a deus ex machina to the AD 552 earthquake(s) due to the lack of supporting literary sources. After critical examination of the Procopius’ narration and of relevant geological, seismotectonic, and archeological evidence, we concluded with a scenario comprising two strong (magnitude ~6.5) earthquakes but without tsunami generation. The first earthquake perhaps happened in Boeotia, NE Corinth Gulf, as palaeoseismological evidence also indicates. The second earthquake, in Patras-Naupactus area, western Corinth Gulf, is supported by convincing archeological findings. However, seismic destruction horizons in southern Greece are interpreted by distinct sixth-century earthquakes independent from the Procopius’ ones.

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Section: Palaeoerthquakes In the Eastern Corinth Gulfmentioning

confidence: 99%

The mid-6th century AD enigmatic mega earthquake and tsunami in central Greece: a seismotectonic, archeological, and historical reexamination

Papadopoulos¹,

Triantafyllou

Vassilopoulou

2022

The Holocene

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“…They used many geomorphic parameters which all conclude in fault's high activity. The region to the west of the Asopos basin was mapped by Ganas et al (2007), who also report evidence of active faulting.…”

Section: Geological Settingmentioning

confidence: 99%

Morphotectonic Analysis of the Neotectonic and Active Faults of Beotia (Central Greece), Using G.I.S. Techniques

2017

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We study the neotectonic regime and evolution of the central-eastern part of the Asopos River basin (Beotia, Central Greece) which is an area undergoing crustal extension. The main tools that were used in this research were a) field mapping of neotectonic and active normal faults and b) morphotectonic analysis of 59 catchments, which was carried out by GIS techniques. Our results include a) series of maps displaying the spatial variation of morphotectonic indices (sinuosity, asymmetry factor, valley-floor-to-height-ratio etc) and b) map of neotectonic fault segments with associated faultslip data. The morphotectonic analysis indicates that if normal faults in this area are active, they are capable of generating earthquakes with M >6.0.

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“…Παράλληλα με τις παραπάνω ρηξιγενείς ζώνες και νότια, βρίσκονται τα ρήγματα Ανατολικό Αντίκυρας (E-ANTF) και Βρώμα (VRΟF) (Stefatos et al 2002, Στεφάτος 2005). (Ganas et al 2007, Tsodoulos et al 2008. Στην νότια πλευρά του βυθίσματος, εντοπίζονται αρκετές μικρές αντιθετικές δομές, με σημαντικότερη το ρήγμα Ταράτσα (Σχήμα 4.87 και 4.88), με διεύθυνση Δ -Α και ένα συνεχομενο μορφολογικό πρανές ύψους ~30 -60 m για ένα μήκος 5 km.…”

Section: αντίκυρα -νότια βοιωτίαunclassified

Συσχέτιση Νεοτεκτονικών Δομών Και Σεισμικότητας Στην Ευρύτερη Περιοχή Του Κορινθιακού Κόλπου (Κεντρική Ελλάδα)

Valkaniotis¹,

Βαλκανιώτης²

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Σκοπός της έρευνας που πραγματοποιήθηκε για την παρούσα διατριβή ήταν η αναλυτική τεκτονική και γεωμορφολογική μελέτη και χαρτογράφηση των ενεργών ρηγμάτων της ευρύτερης περιοχής του βορείου Κορινθιακού Κόλπου. Επίσης η συσχέτιση των ρηγμάτων αυτών με την ιστορική και σύγχρονη σεισμικότητα, καθώς και προσπάθεια εκτίμηση της σεισμικής επικινδυνότητας για την περιοχήμελέτης με βάση τα νέα τεκτονικά δεδομένα. Η διατριβή αναπτύσσεται με την εξής δομή: Στα πρώτα δυο κεφάλαια εξετάζεται βιβλιογραφικά η γενική γεωλογική δομή της περιοχής καθώς καινεοτεκτονική δομή και εξέλιξη της περιοχής μελέτης με έμφαση στο βύθισμα του Κορινθιακού Κόλπου. Στο τρίτο κεφάλαιο αναπτύσσεται η μεθοδολογία και οι τεχνικές που ακολουθήθηκαν για την μελέτη των ρηγμάτων και της ενεργού τεκτονικής της περιοχής. Εκτεταμένη και λεπτομερής περιγραφή και ανάλυση των ρηγμάτων δίνεται στο τέταρτο και πέμπτο κεφάλαιο, τα οποία και καταλαμβάνουντο μεγαλύτερο τμήμα της διατριβής. Στο έκτο κεφάλαιο γίνεται μια επισκόπηση της σεισμικότητας του Κορινθιακού και ακολουθεί η περιγραφή και επανεξέταση των ιστορικών σεισμών για την περιοχή μελέτης. Τέλος, στο έβδομο κεφάλαιο, γίνεται εκτίμηση της σεισμικής επικινδυνότητας με βάση τα νέα τεκτονικά δεδομένα, εφαρμόζοντας την πιθανολογική και αιτιοκρατική προσέγγιση.

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The Corini Active Fault in Southwestern Viotia Region, Central Greece: Segmentation, Stress Analysis and Extensional Strain Patterns

Abstract: The Corini normal fault is an active structure of Quaternary age in Southwestern Viotia. This is a region of low finite strain, located between the Quaternary rifts of the Gulf of Corinth and the Gulf of Evia-297-

Cited by 5 publications

References 22 publications

The mid-6th century AD enigmatic mega earthquake and tsunami in central Greece: a seismotectonic, archeological, and historical reexamination

The mid-6th century AD enigmatic mega earthquake and tsunami in central Greece: a seismotectonic, archeological, and historical reexamination

Morphotectonic Analysis of the Neotectonic and Active Faults of Beotia (Central Greece), Using G.I.S. Techniques

Συσχέτιση Νεοτεκτονικών Δομών Και Σεισμικότητας Στην Ευρύτερη Περιοχή Του Κορινθιακού Κόλπου (Κεντρική Ελλάδα)

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