Modelling seismites with a digital shaking table

Moretti, Massimo; Alfaro, P.; Caselles, O.; Canas, J. A.

doi:10.1016/s0040-1951(98)00289-3

Cited by 222 publications

(111 citation statements)

References 62 publications

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“…These structures in Lake Van deposits are very similar to presented in previous works (Lowe & LePiccolo 1974;Lowe 1975;Neuwerth et al, 2006). Dish and pillar structures may occur with seismic shakings (Plaziat & Ahmamou, 1998;Moretti et al, 1999). …”

Section: Dish and Pillar Structuressupporting

confidence: 88%

The Traces of Earthquake (Seismites): Examples from Lake Van Deposits (Turkey)

Üner¹,

Yeşilova²,

Yakupoğlu³

2012

Earthquake Research and Analysis - Seismology, Seismotectonic and Earthquake Geology

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Section: Dish and Pillar Structuressupporting

confidence: 88%

The Traces of Earthquake (Seismites): Examples from Lake Van Deposits (Turkey)

Üner¹,

Yeşilova²,

Yakupoğlu³

2012

Earthquake Research and Analysis - Seismology, Seismotectonic and Earthquake Geology

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“…Two major questions arise for both groups: (1) how to ensure the earthquake-triggering, (2) how to identify the responsible active structure(s). For in situ disturbances, the first problem is generally solved; in particular, it benefits from analogical and/or numerical modeling (e.g., Moretti et al, 1999;Wetzler et al, 2010). For redepositional processes -which are envisaged in the present work -several recent catastrophic events could be surveyed shortly after their occurrence (Thunell et al, 1999;McHugh et al, 2011;Lorenzoni et al, 2012); the results reinforced the earthquakeinduced interpretation proposed for some "homogenite-type" layers (Chapron et al, 1999;.…”

Section: Introductionsupporting

confidence: 67%

Estimation of successive coseismic vertical offsets using coeval sedimentary events – application to the southwestern limit of the Sea of Marmara's Central Basin (North Anatolian Fault)

Beck

Campos

Eriş

et al. 2015

Nat. Hazards Earth Syst. Sci.

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Abstract. In the deep part of the Sea of Marmara (Turkey), the sedimentation developing upon the North Anatolian Fault is strongly influenced by the associated seismic activity, through gravity reworking (fluidized landslides) and tsunamis. Specific layers (homogenites + turbidites, HmTu), representing individual sedimentary events, have been characterized along three giant piston cores retrieved from the Çinarcik and Central (or Orta) basins. Pre-Holocene, nonmarine sediments, were analyzed, representing the last 12-17 kyr BP (before present). For a 2 kyr long interval, 11 events could be precisely correlated on both sides of the Central Basin's southwestern scarp. For each of them, based on the specific depositional process, the thickness difference between the two sites was considered as a direct estimation of the vertical component of a coeval coseismic offset. The homogenite (upper) component accounts for the major part of the thickness difference (ranging from 36 to 144 cm). These offsets were considered as likely representing dominantly vertical throws, along the transtensional southwestern boundary of the inner, pull-apart Central Basin. In terms of natural hazards, further investigations on this local behavior should rather be directed to tsunami genesis.

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“…duce e.g. liquefaction structures (Obermeier 1996;Moretti et al 1999). Within this study the threshold might be even higher as indicated by the lack of sediment deformation in Sarner See during the Mw>5.7 Alpnach earthquake in 1964 AD.…”

Section: Historic Earthquakes and Calibration Of Earthquake-induced Dmentioning

confidence: 58%

Earthquake-induced deformation structures in lake deposits: A Late Pleistocene to Holocene paleoseismic record for Central Switzerland

Monecke

Anselmetti

Becker³

et al. 2006

Eclogae geol. Helv.

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Paleoseismic record in lake deposits in Central Switzerland 343 ZUSAMMENFASSUNG In den bis zu 15,000 Jahre alten Sedimenten von vier Seen in der Zentralschweiz wurden Spuren von drei starken historischen und mindestens sieben prähistorischen Erdbeben gefunden. Der Schweizer Erdbebenkatalog der letzten 1000 Jahre verzeichnet in der Zentralschweiz drei grössere Erdbeben mit Magnituden zwischen Mw=5.7 und Mw = 6.2 (1964 AD Alpnach, 1774 AD Altdorf, 1601 AD Unterwalden) sowie ein katastrophales Mw = 6.9 Ereignis in Basel im Jahre 1356 AD. Zur Bestimmung der Wiederkehrraten dieser starken Erdbeben wurden mit Hilfe von hochauflösender Seismik und Sedimentkernanalysen paläoseismische Untersuchungen in vier verschiedenen Seen in der Zentralschweiz durchgeführt (Lungerer See, Baldegger See, Seelisberg Seeli und Vierwaldstätter See). In Abhängigkeit von der Geometrie des Seebeckens, des Sedimenttyps und der lokalen Bodenerschütterung treten wäh-rend eines Erdbebens grosse subaquatische Rutschungen oder kleine in-situ Deformationsstrukturen auf. Die Spuren der historischen Erdbeben zeigen, dass Seesedimente nur ab einer Magnitude von Mw>5.7 und bei einer lokalen Bodenerschütterung der Intensität >VII deformiert werden. Mindestens sechs prähistorische Erdbeben in der Zentralschweiz (Epizentrum und Magnitude ähnlich wie beim Mw=6.2 Unterwalden Erdbeben), sowie ein starkes prähisto-risches Erdbeben in der Baselregion (Magnitude ähnlich wie beim Mw = 6.9 Basel Erdbeben) konnten anhand der Art und regionalen Verteilung der Deformationsstrukturen bestimmt werden. Darüber hinaus gibt es Hinweise auf ein weiteres Ereignis in der Nähe von Basel und vier weitere Ereignisse in der Zentralschweiz. Im Vergleich zum Mittleren Holozän scheint die Erdbebenhäufigkeit in der Zentralschweiz erhöht während des Spätpleistozäns/Frühho-lozäns und während der letzten 4000 Jahre. Dies kann einerseits auf isostatische Ausgleichsbewegungen nach dem Abschmelzen des Eises vor 15,000 Jahren, sowie auf eine periodische Aktivierung einer alpinen seismogenen Zone in jüngerer Zeit zurückgeführt werden. ABSTRACTTraces of three larger historic and at least seven prehistoric earthquakes during the last 15,000 years were found in the sedimentary record of four lakes in Central Switzerland. The Swiss historic earthquake catalogue of approximately the last 1000 years reports three larger earthquakes in Central Switzerland with moment magnitudes varying between Mw = 5.7 and Mw = 6.2 (1964 AD Alpnach, 1774 AD Altdorf, 1601 AD Unterwalden) and the nearby catastrophic Mw = 6.9 event close to Basel in 1356 AD. In order to determine the recurrence intervals of such events and thus, the seismic hazard and risk, paleoseismic investigations were carried out in four different lakes of Central Switzerland (Lungerer See, Baldegger See, Seelisberg Seeli, Vierwaldstätter See) using high-resolution seismic data and sediment core analyses. Depending on lake basin geometry, sediment type and local ground shaking earthquake-induced deformation structures comprise large-scale mass...

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Modelling seismites with a digital shaking table

Cited by 222 publications

References 62 publications

The Traces of Earthquake (Seismites): Examples from Lake Van Deposits (Turkey)

The Traces of Earthquake (Seismites): Examples from Lake Van Deposits (Turkey)

Estimation of successive coseismic vertical offsets using coeval sedimentary events – application to the southwestern limit of the Sea of Marmara's Central Basin (North Anatolian Fault)

Earthquake-induced deformation structures in lake deposits: A Late Pleistocene to Holocene paleoseismic record for Central Switzerland

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