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Stamatopoulos, L.
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- PublicationRestrictedGeomorphological reconnaissance of the Psathopyrgos and Rion-Patras Fault Zones (Achaia, NW Peloponnesus)(2007-05)
; ; ; ; ;Palyvos, N.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Pantosti, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Stamatopoulos, L.; University of Patras, Faculty of Geology ;De Martini, P. M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia; ; ; In this communication we discuss reconnaissance geomorphological observations along the active Psathopyrgos and Rion-Patras (NE part) fault zones. These fault zones correspond to more or less complex rangefronts, the geomorphic characteristics of which provide hints on the details of the fault zone geometries, adding to the existing geological data in the bibliography. Aiming at the identification of locations suitable or potentially suitable for geomorphological and geological studies for the determination of fault slip rates in the Holocene, we describe cases of faulted Holocene landforms and associated surficial deposits. We also discuss problems involved in finding locations suitable for geological (paleoseismological) studies for the determination of the timing of recent earthquake ruptures, problems due to both man-made and natural causes.207 40 - PublicationRestrictedPalaeoseismological investigations of the Aigion Fault (Gulf of Corinth, Greece)(2004-03)
; ; ; ; ; ; ; ; ;Pantosti, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;De Martini, P. M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Koukouvelas, I.; University of Patras, Greece ;Stamatopoulos, L.; University of Patras, Greece ;Palyvos, N.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Pucci, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia ;Lemeille, F.; IRSN, CEA, 60–68, av. du Général-Leclerc, BP 6, 92265 Fontenay-aux-Roses cedex, France ;Pavlides, S.; Aristotle University of Thessaloniki, Greece; ; ; ; ; ; ; We performed palaeoseismological investigations along the Aigion Fault, one of the main faults that bound the southern side of the Corinth Gulf. The mapped trace of the Aigion Fault onland is about 8 km long and may extend as much as 14 km if one includes its offshore trace. We made detailed studies at two sites adjacent to the Meganitas River. Although dating of faulted sediments was a bit problematic, we present a preliminary estimate of the faults short-term slip rate and recurrence interval. Slip rates range from 1.6 to 4.3 mmyr−1, with a maximum up to 6.3 mmyr−1. Three surface faulting events occurred in the seven centuries prior to 1888 AD, yielding an average (maximum) recurrence interval of 360 yr.198 25