A palaeoseismological and geoarchaeological investigation of the Eliki fault, Gulf of Corinth, Greece

Koukouvelas, Ioannis; Stamatopoulos, Leonidas; Katsonopoulou, Dora; Pavlides, Spyros

doi:10.1016/s0191-8141(00)00124-3

Cited by 90 publications

(90 citation statements)

References 32 publications

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“…The Eliki fault has a length of 40 km and is located further east. Palaeoseismological trenching and fault colluvial tectonostratigraphy indicate a slip rate on the fault over the past 2000 years of about 1.5 mm/year [53]. It has been proven that the entire alluvial plain of the fan deltas of Kerinitis and Vouraikos Rivers, which lay on the hanging wall of the eastern segment of the Eliki fault, has subsided at a rate of 1.4 mm/yr, resulting in the burial of the Late Hellenistic-Roman occupation horizons under 3 m of fluvial sediments [53,54].…”

Section: Physical Process Variablesmentioning

confidence: 99%

“…Palaeoseismological trenching and fault colluvial tectonostratigraphy indicate a slip rate on the fault over the past 2000 years of about 1.5 mm/year [53]. It has been proven that the entire alluvial plain of the fan deltas of Kerinitis and Vouraikos Rivers, which lay on the hanging wall of the eastern segment of the Eliki fault, has subsided at a rate of 1.4 mm/yr, resulting in the burial of the Late Hellenistic-Roman occupation horizons under 3 m of fluvial sediments [53,54]. Consequently for the segments of the coastline which lie on the uplifting part of the faults of Aigion and Eliki a negative mean relative sea-level change of −1 4 was assumed, while a positive long-term relative sea-level rise (of +1.4 mm/yr) was assumed for the subsiding coast.…”

Section: Physical Process Variablesmentioning

confidence: 99%

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Assessment of the sensitivity of the southern coast of the Gulf of Corinth (Peloponnese, Greece) to sea-level rise

Karymbalis

Chalkias

et al. 2012

Open Geosciences

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Abstract:The eustatic sea-level rise due to global warming is predicted to reach approximately 18 -59 cm by the year 2100, which necessitates the identification and protection of sensitive sections of coastline. In this study, the classification of the southern coast of the Gulf of Corinth according to the sensitivity to the anticipated future sealevel rise is attempted by applying the Coastal Sensitivity Index (CSI), with variable ranges specifically modified for the coastal environment of Greece, utilizing GIS technology. The studied coastline has a length of 148 km and is oriented along the WNW-ESE direction. CSI calculation involves the relation of the following physical variables, associated with the sensitivity to long-term sea-level rise, in a quantifiable manner: geomorphology, coastal slope, relative sea-level rise rate, shoreline erosion or accretion rate, mean tidal range and mean wave height. For each variable, a relative risk value is assigned according to the potential magnitude of its contribution to physical changes on the coast as the sea-level rises. Every section of the coastline is assigned a risk ranking based on each variable, and the CSI is calculated as the square root of the product of the ranked variables divided by the total number of variables. Subsequently, a CSI map is produced for the studied coastline. This map showed that an extensive length of the coast (57.0 km, corresponding to 38.7% of the entire coastline) is characterized as highly and very highly sensitive primarily due to the low topography, the presence of erosionsusceptible geological formations and landforms and fast relative sea-level rise rates. Areas of high and very high CSI values host socio-economically important land uses and activities.

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Section: Physical Process Variablesmentioning

confidence: 99%

Section: Physical Process Variablesmentioning

confidence: 99%

Assessment of the sensitivity of the southern coast of the Gulf of Corinth (Peloponnese, Greece) to sea-level rise

Karymbalis

Chalkias

et al. 2012

Open Geosciences

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“…1). Late Quaternary slip rates of these faults have been estimated at about 1.9-2.7 mm yr −1 (Kamari fault system), 0.3-2.0 to 7-11 mm yr − 1 (Eliki faults), and 1.6-6.3 to 9-11 mm yr −1 (Aigion fault) based on the analysis of trenches (Koukouvelas et al, 2001(Koukouvelas et al, , 2005(Koukouvelas et al, , 2008Pantosti et al, 2004;Palyvos et al, 2005) and uplifted shorelines combined with dislocation modeling Marine Geology 360 (2015) [55][56][57][58][59][60][61][62][63][64][65][66][67][68][69] , respectively. The activity of the Trizonia fault is unknown, and its footwall is now subsiding at a rate of 5 ± 2 mm yr −1 according to GPS measurements (Moretti et al, 2003;Bernard et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Active faulting at the western tip of the Gulf of Corinth, Greece, from high-resolution seismic data

et al. 2015

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International audienceThe Gulf of Corinth is one of the fastest-spreading intra-continental rifts on Earth. GPS data indicate that the rift is currently opening in a NNE-SSW direction, with a rate of extension reaching up to 16 mm yr (super - 1) in its westernmost part. Although the rest of the offshore rift has been well studied, the western tip of the rift is still poorly explored. We present an accurate map of submarine faults in this area based on two high-resolution seismic reflection surveys (single-channel sparker). In the eastern part of the studied area, the sedimentary infill is affected by the known North Eratini, South Eratini, and West Channel faults. Further to the west, the seafloor is mostly flat and is bounded to the north by the normal, south-dipping, Trizonia fault. To the north, the shallower part of the Gulf shows to the east a diffuse pattern of normal and strike-slip deformation, which is replaced to the west by a 7.5 km long SE striking strike-slip fault zone, called the Managouli fault zone. To the westernmost tip of the Gulf, in the Nafpaktos Basin, two fault sets with different strikes are encountered; the one with a NE-SW strike exhibits a clear strike-slip component. The western tip of the Gulf of Corinth is the only part of the Corinth Rift where convincing evidence for strike-slip movement has been found. This fault pattern is likely related to the complex deformation occurring at the diffuse junction at the western tip of the Rift between three crustal blocks: Continental Greece, Peloponnese, and the Ionian Island-Akarnania block

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“…Η περιοχή του βόρειου τμήματος του φύλλου ΑΙΓΙΟ, στο νότιο περιθώριο της Κορινθιακής τάφρου παρουσιάζει σήμερα άνοδο, με ταχύτητες που τα τελευταία στοιχεία δείχνουν ότι κυμαίνονται από 1-2,6 mm/y (Armijo et al, 1996, Koukouvelas et al, 2001, Flotte, 2003, De Martini et al, 2004, McNeill & Collier, 2004. Τελευταίες έρευνες με γεωδαιτικές μετρήσεις δείχνουν ότι η περιοχή του δυτικού Κορινθιακού διευρύνεται σε ΝΔ κατεύθυνση, με ρυθμό 1-1,5 cm/y, ενώ του ανατολικού με ρυθμό 0,5 cm/y (Billiris et al, 1991, Clarke et al, 1998, Briole et al, 2000.…”

Section: εισαγωγηunclassified

Neotektonikh Δομη Και Εξελιξη Της Περιοχης Του Φυλλου Αιγιο (Β. Πελοποννησος)

Τρίκολας¹,

Αλεξούλη-Λειβαδίτη²

2004

geosociety

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ΠΕΡΙΛΗΨΗΜετά από γεωλογική χαρτογράφηση του φύλλου ΑΙΓΙΟ, παρουσιάζεται η νεοτεκτονική εικόνα και η εξέλιξη της περιοχής αυτής, όπως προέκυψε από τα στρωματογραφικά στοιχεία των μεταλπικών ιζημάτων και τα κινηματικά στοιχεία των ρηγμάτων. Διαπιστώθηκαν δομές τεκτονικών κεράτων και βυθισμάτων, που διαμορφώνονται από κανονικά ρήγματα ΔΒΔ -ΑΝΑ διεύθυνσης, μεγάλης κλίμακας. Νεώτερα πλαγιοκανονικά ρήγματα ΔΒΔ -ΑΝΑ, ΒΔ -ΝΑ και Β, ΒΑ -Ν, ΝΑ διεύθυνσης δημιουργούν μεγάλα και μικρά ρηξιτεμάχη, και προκαλούν στροφές αυτών σε Ν, ΝΑ και Α κατεύθυνση. Διαμορφώνονται δομές rollover σε όλη τη περιοχή του φύλλου. Η περιοχή εξελίσσεται από Ν προς Β. Η νεοτεκτονική δομή φαίνεται να έχει διαμορφωθεί σε δύο φάσεις. Η πρώτη από το Αν. Μειόκαινο μέχρι το Κατ. Πλειστόκαινο, και η δεύτερη από το Κατ. Πλειστόκαινο μέχρι σήμερα.

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A palaeoseismological and geoarchaeological investigation of the Eliki fault, Gulf of Corinth, Greece

Cited by 90 publications

References 32 publications

Assessment of the sensitivity of the southern coast of the Gulf of Corinth (Peloponnese, Greece) to sea-level rise

Assessment of the sensitivity of the southern coast of the Gulf of Corinth (Peloponnese, Greece) to sea-level rise

Active faulting at the western tip of the Gulf of Corinth, Greece, from high-resolution seismic data

Neotektonikh Δομη Και Εξελιξη Της Περιοχης Του Φυλλου Αιγιο (Β. Πελοποννησος)

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