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Papadimitriou, P.; Voulgaris, N.; Kassaras, I.; Κaviris, George; Delibasis, N.; Μακροπουλοσ, Κ.

doi:10.1023/a:1019914915693

Cited by 47 publications

(16 citation statements)

References 16 publications

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“…The main tectonic lineament of this region is represented by the undulated ~100 km long Sultandagi Fault, which trends primarily northwest 43 . The Sultandagi mainshock occurred at 7 km depth 17 along this fault 45 .…”

Section: Resultsmentioning

confidence: 99%

“…On February 2 nd , 2002 a M w 6.2 earthquake struck the Sultandagi-Çay region of southwest Turkey 17 . This area is located in a complex geodynamic context, dominated by a series of graben and horst structures bounded by active oblique slip normal faults 17 .…”

Section: Resultsmentioning

confidence: 99%

“…This area is located in a complex geodynamic context, dominated by a series of graben and horst structures bounded by active oblique slip normal faults 17 . The main tectonic lineament of this region is represented by the undulated ~100 km long Sultandagi Fault, which trends primarily northwest 43 .…”

Section: Resultsmentioning

confidence: 99%

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Longer aftershocks duration in extensional tectonic settings

Valerio

Tizzani

Carminati

et al. 2017

Sci Rep

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Aftershocks number decay through time, depending on several parameters peculiar to each seismogenic regions, including mainshock magnitude, crustal rheology, and stress changes along the fault. However, the exact role of these parameters in controlling the duration of the aftershock sequence is still unknown. Here, using two methodologies, we show that the tectonic setting primarily controls the duration of aftershocks. On average and for a given mainshock magnitude (1) aftershock sequences are longer and (2) the number of earthquakes is greater in extensional tectonic settings than in contractional ones. We interpret this difference as related to the different type of energy dissipated during earthquakes. In detail, (1) a joint effect of gravitational forces and pure elastic stress release governs extensional earthquakes, whereas (2) pure elastic stress release controls contractional earthquakes. Accordingly, normal faults operate in favour of gravity, preserving inertia for a longer period and seismicity lasts until gravitational equilibrium is reached. Vice versa, thrusts act against gravity, exhaust their inertia faster and the elastic energy dissipation is buffered by the gravitational force. Hence, for seismic sequences of comparable magnitude and rheological parameters, aftershocks last longer in extensional settings because gravity favours the collapse of the hangingwall volumes.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Longer aftershocks duration in extensional tectonic settings

Valerio

Tizzani

Carminati

et al. 2017

Sci Rep

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“…The results of the aftershock distribution of the Athens earthquake were successfully compared with those obtained by Papadimitriou et al (2002), where a local network had been set up to record the aftershock sequence (3.500 events). The existence of two main clusters is shown in the rose diagrams of azimuth and dip orientation distribution by Voulgaris et al (2001) and in the focal mechanisms that were determined by Papadimitriou et al (2000) in the area.…”

Section: (4)mentioning

confidence: 99%

Earthquake Relocation in Greece Using a Unified and Homogenized Seismological Catalogue

Karakonstantis

Papadimitriou

2017

geosociety

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“…An example showing the uncertainty in epicenter localities for two moderate events near the city of Athens. a) Five epicenter localities for the 1999 Athens Mw=5.9 (or M L =5.4) earthquake(AUTH 2014; ITSAK, 2014; NOA 2014;Papadimitriou et al, 2002; USGS, 2014).The uncertainty exceeds 5km. b) the Mw=6.0, 1938 Oropos event 40km north from Athens retrieved from the two earthquake catalogues of NOA and AUTH.…”

mentioning

confidence: 99%