Slip rates of the Aigion and Eliki Faults from uplifted marine terraces, Corinth Gulf, Greece

Martini, P. M. De; Pantosti, D.; Palyvos, N.; Lemeille, Francis; McNeill, L. C.; Collier, Richard E. Ll.

doi:10.1016/j.crte.2003.12.006

Cited by 83 publications

(95 citation statements)

References 14 publications

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“…We calculate from upstream segments' S R that, with a corrected age of 350-400 ka, this uplift phase in the latter sector is temporally distinct from the > 1 -Ma-old one in the two other sectors. This is consistent with the maximum chi segment offsets observed in the valleys of the Akrata-Derveni area, where the age estimate is further supported by comparing the GR ne tworkbased estimate of uplift (up to 414 m) with independent uplift rate estimates (1.0-1.3 mm year -1 ; De Martini et al, 2004;McNeill et al, 2005;Vassilakis et al, 2007). This yields an approximate age of 320-415 ka.…”

Section: Synthesis Of the Resultssupporting

confidence: 72%

“…Moreover, uplifted Holocene marine deposits and corrosion notches along the coast of the central rift have recorded recently accelerated uplift, with rates up to 3-3.5 mm year -1 (Pirazzoli et al 2004;De Martini et al, 2004).…”

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

“…These deltas are, for the greatest part, still developing at present, with their front making the steep underwater slopes of the southern border of the basin. Onshore, the presence of Middle Pleistocene marine terraces south of the Heliki and Xylokastro faults (Keraudren et al, 1995;Armijo et al, 1996;McNeill and Collier, 2004;De Martini et al, 2004;McNeill et al, 2005) attest the ongoing footwall uplift of Middle Pleistocene faults.…”

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

“…However, in many cases, only few and often questionable dating results are available and the terrace chronology mostly relies on linear best fits (often performed visually) between terrace elevation and marine isotope stages associated with high sea level. Based on such sparse anchor points, the terrace flight is generally said to extend over the last 0.3-0.55 Ma and allows inferences about uplift rates in the order of 1-2 mm year -1 (Keraudrenetal., 1995;Armijc et al, 1996;De Martini et al, 2004;McNeill and Collier, 2004). Whereas moderate (Houghton et al, 2003: ~0.7 mm year -1 ) to high (Palyvos et al, 2007(Palyvos et al, , 2010: ~1.8 mm year -1 ) rates have been inferred for the western end of the rift, they rapidly decrease toward the eastern end of the gulf, down to 0.3 mm year -1 near Corinth (Collier et al, 1992) As for the marine terraces of the Perachora Peninsula, which suggest uplift rates between 0.3 and 0.7 mm year -1 (Morewood and Roberts 1999), they are indicative of uplift north of the south-dipping Loutraki fault and cannot thus be used to discuss the evolution of the southern rift margin.…”

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

“…A flight of up to 10 terraces has been described in various places. They are in particular fairly continuously preserved between Corinth and Xylokastro (Keraudren and Sorel, 1987;Collier etal., 1992;Keraudren et al, 1995;Armijo etal., 1996), but also on the footwall of the Aegion and Heliki faults between Aegion and Akrata (De Martini et al, 2004;McNeill and Collier, 2004;McNeill et al, 2005). Stepped marine terraces have also been observed at both the eastern and western ends of the rift, respectively in the Perachora Peninsula (Dia et al, 1997;Morewood and Roberts, 1999;Maroukian et al, 2008) and on the footwall of the Psathopyrgos fault (Houghton et al, 2003) (Fig.…”

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

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Patterns of Quaternary uplift of the Corinth rift southern border (N Peloponnese, Greece) revealed by fluvial landscape morphometry

2015

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The Rift of Corinth is a world-class example of young active rifting and, as such, is an ideal natural laboratory of continental extension. However, though much investigated for two decades, several aspects of the mechanisms at work are still poorly understood. The aim of this paper is a detailed morphometric study of the fluvial landscape response to the tectonic uplift of the rift southern shoulder in order to reconstruct the rift's Quaternary evolution, with special attention to timing, location, and intensity of uplift episodes. Based on the use of a large set of catchment and long profile metrics complemented by the new R/S R integrative approach of the regional drainage network, we identified three distinct episodes of uplift of the northern Peloponnese coastal tract, of which the intermediate one, dated around 0.35-0.4 Ma, is only recorded in the topography of the central part of the rift shoulder, and the youngest one appears to have propagated from east to west over the last 10-20 ka. While net uplift remained minimum in the eastern part of the study area during the whole Quaternary, it shows a clear maximum in the central part of the rift shoulder since 0.4 Ma and an eastward shift of this maximum in recent times. Maximum uplift rates calculated from the morphometric data are of > 1.05 and 2-5 mm year -1 for, the mid-Middle Pleistocene and Holocene uplift episodes, respectively. The morphometric evidence reveals an onshore uplift history remarkably consistent with the rift evolution reconstructed from other data sets. In the long term, it shows a stable pattern of maximum activity in the central part of the rift, confirming previous conclusions about the absence of rift propagation. In the short term, it sheds light on a possible E-W migration of the zone of recent uplift, suggesting that in the near future fault activity and seismic hazard might concentrate in the Heliki-Aegion area, at the western tip of this uplift wave.

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Section: Synthesis Of the Resultssupporting

confidence: 72%

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

Section: Naf: North Anatolian Faultmentioning

confidence: 99%

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Patterns of Quaternary uplift of the Corinth rift southern border (N Peloponnese, Greece) revealed by fluvial landscape morphometry

2015

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Numerical modeling of tidal notch sequences on rocky coasts of the Mediterranean Basin

et al. 2017

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Tidal notches have had the potential to form at sea level from ~6.5 kyr B.P. in the Mediterranean Basin and preserve a symmetrical shape comparable to a quadric polynomial. Continuous erosion, predominantly by biological agents, affects a limestone cliff face from low‐ to high‐tide level at <1 mm/yr. Statically determined, the roots of a quadric polynomial are defined by the tidal range representing the limits of effective erosion. However, gradual variations of eustatic sea level rise (slow) and coseismic uplift/subsidence (fast) in tectonically active regions contribute to vertical shifts in the erosional base at coastlines. As a consequence, the cliff morphology gets modified through time resulting in widening, deepening, and separation of notches and possible overprinting of older features. In order to investigate successive modifications of coastal cliff morphology, we developed a numerical model that considers the erosion rate, the erosion zone relative to sea level, the regional sea level curve, and tectonic motion. The results show how slow and rapid sea level changes bias the modern cliff face and highlight that the present‐day notch sequence from top descending to sea level is not inevitably of decreasing age. Furthermore, the initiation of notch formation is not necessarily linked to the date of a certain seismic event. Especially in extensional tectonic settings where coseismic uplift is low and coastal morphological marks are not as distinct, knowledge about coastal evolution is beneficial for paleoseismological research.

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From digital elevation models to 3‐D deformation fields

Dewez

Stewart

2015

Monitoring and Modelling Dynamic Environments

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Slip rates of the Aigion and Eliki Faults from uplifted marine terraces, Corinth Gulf, Greece

Cited by 83 publications

References 14 publications

Patterns of Quaternary uplift of the Corinth rift southern border (N Peloponnese, Greece) revealed by fluvial landscape morphometry

Patterns of Quaternary uplift of the Corinth rift southern border (N Peloponnese, Greece) revealed by fluvial landscape morphometry

Numerical modeling of tidal notch sequences on rocky coasts of the Mediterranean Basin

From digital elevation models to 3‐D deformation fields

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