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megatsunamis

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Series: GSA Special Papers
Published: 11 September 2019
DOI: 10.1130/2019.2542(16)
EISBN: 9780813795423
... that the collapses could have generated a megatsunami in the Atlantic Ocean that could pass through a deep seaway between the Atlantic and western Tethys Oceans and finally terminate on the Adriatic carbonate platform, located ~10,000 km from the impact site. Considering the fact that there are potential...
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Journal Article
Published: 01 May 2013
Bulletin of the Seismological Society of America (2013) 103 (2B): 1493-1502.
...Efthymis L. Lekkas; Emmanuel Andreadakis; Irene Kostaki; Eleni Kapourani Abstract The implementation of a new Tsunami Intensity Scale is proposed because a vast amount of data has been collected from the two megatsunamis that took place in the Indian Ocean in 2004 and northeast Japan in 2011...
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Series: SEPM Special Publication
Published: 01 January 2011
DOI: 10.2110/sepmsp.100.043
EISBN: 9781565763098
... on Yucatán and associated megatsunami deposition as commonly interpreted. The biostratigraphy and KT characteristic δ 13 C shift of the Brazos sections indicate that the KTB, the sandstone complex, and the Chicxulub impact occurred as three different stratigraphic events during the late Maastrichtian...
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Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2008.2437(11)
... lithified layers, almost a welded sedimentary crust several centimeters thick, within a period of hours. Seismic shaking and concomitant shelf collapse into the Gulf of Mexico basin would create a megatsunami merging with large waves from the direct impact. A ramp-like narrow Mississippi Embayment probably...
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Journal Article
Published: 01 July 1998
Bulletin de la Société Géologique de France (1998) 169 (4): 485-491.
..., key evidence cited in support of Chicxulub as K/T impact crater is still controversial (e.g., impact origin of glass), or contradictory : the so-called "impact-generated megatsunami deposits" in northeastern Mexico contain burrowing horizons that indicate deposition occurred over an extended period...
Journal Article
Published: 01 April 2006
Journal of Micropalaeontology (2006) 25 (1): 55-56.
... a reef flat. The geological setting of the unit, coupled with the evidence from the contained marine fossils, indicate a megatsunami genesis, probably linked to the collapse of the submarine Alika Slide at about 120 ka and with a run-up in excess of 400 m and at least 6 km inland ( McMurtry et al...
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Journal Article
Journal: Geology
Published: 01 September 2004
Geology (2004) 32 (9): 741-744.
... be understood and quantified in space and time: Mauna Loa is an active volcano that has more than rebuilt the volume of the western flank it lost to giant submarine landslides in a series of collapses that began with the South Kona event ( Lipman, 1995 ). Future collapses and megatsunami generation...
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Journal Article
Journal: Geology
Published: 01 March 2011
Geology (2011) 39 (3): e234-e235.
... Hearty P.J. , 2002 , The Kaena highstand of Oahu, Hawaii: Further evidence of Antarctic ice collapse during the middle Pleistocene : Pacific Science , v. 56 , p. 65 – 81 , doi:10.1353/psc.2002.0004 . Hearty P.J. Olson S.L. , 2008 , Mega-highstand or megatsunami? Discussion...
Journal Article
Journal: Geology
Published: 01 April 2002
Geology (2002) 30 (4): 382-383.
... layers, as insupportable for the following reasons. (1) The originally discovered spherule layer (unit 1) in northeastern Mexico is at the base of a thick siliciclastic deposit that was interpreted to be the result of the Chicxulub impact-generated megatsunami ( Smit et al., 1996 ). The K-T...
Series: Society for Sedimentary Geology
Publisher: Society for Sedimentary Geology
Published: 01 January 2017
DOI: 10.210/sepmso.107.15
EISBN: 9781565763456
... Quaternary geology of Shark Bay and Rottnest Island, early voyages around Western Australia, Dutch shipwrecks, and possible megatsunamis. From this work came: Phil was always a field geologist first and foremost. He stressed the importance to “go bush” and reinforced to geologists of all ages...
Book Chapter

Author(s)
Kevin R. Evans
Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/978-0-8137-2437-9(2007)437[v:P]2.0.CO;2
... and Caribbean as products of multiple impact events. King and Petruny, in chapter 10, describe the occurrence of impact spherules in a K-T boundary succession preserved in Alabama. In chapter 11, Campbell, Oboh-Ikuenobe, and Eifert document a K-T succession from southeastern Missouri that includes a megatsunami...
Journal Article
Published: 01 May 2006
Seismological Research Letters (2006) 77 (3): 351-353.
... and devastating megatsunami. In hindsight, the short record biased ideas about where such earthquakes occur. Earthquakes like this probably have happened before, but with long enough recurrence times that they left no conventional cultural record. Now that scientists know to look, they're starting to find...
Journal Article
Published: 01 January 2002
Seismological Research Letters (2002) 73 (1): 93-94.
.... Bryant describes the 10-meter wave that struck Gis-borne, New Zealand in 1947 as “not high by any standard.” His true interest is the megatsunami—waves triggered by impacts or massive submarine collapses that tower 30 meters and more and may sweep tens of meters inland, sculpting the landscape both...
Journal Article
Journal: Geology
Published: 01 January 2001
Geology (2001) 29 (1): 94-95.
..., and in southern Mexico (e.g., Guayal, Bochil) are impact ejecta-, megatsunami-, and debris flow deposits triggered by the Chicxulub impact. However, the stratigraphic ages of these deposits are diverse and especially poorly constrained for most breccias, suggesting that a more cautious approach to regional...
Journal Article
Published: 26 January 2001
Canadian Journal of Earth Sciences (2001) 38 (2): 229-238.
... event, such as impact-related megatsunami deposits, as frequently argued (e.g., Smit et al. 1992 , 1996 ; Smit l999; Bralower et al. 1998 ), because they contain multiple horizons of repeated invertebrate colonization of the ocean floor (see Keller et al. 1997 ; Ekdale and Stinnesbeck 1998...
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Journal Article
Journal: Geology
Published: 01 March 2001
Geology (2001) 29 (3): 231-234.
... been proposed. (1) The clastic unit is the result of one geologically instantaneous event clearly related to the Chicxulub impact coinciding with the K-T boundary, and the unit corresponds to the deposit generated by megatsunami waves ( Bourgeois et al., 1988 ; Maurrasse and Sen, 1991 ; Smit et al...
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Journal Article
Published: 01 April 2013
Journal of Foraminiferal Research (2013) 43 (2): 143-153.
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Journal Article
Journal: Palynology
Published: 01 June 2012
Palynology (2012) 36 (Suppl_1): 63-79.
... interpretations. Campbell et al. (2008) earlier interpreted the Clayton Formation as a possible short-term isochronous graded deposit formed by the megatsunami initiated by the Chicxulub impact event. Figure 1 Geologic map of southeastern Missouri showing the localities studied and description...
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Journal Article
Journal: The Leading Edge
Published: 01 April 2017
The Leading Edge (2017) 36 (4): 304-310.
... as well as megatsunamis ( Hildebrand et al., 1998 ; Day and Maslin, 2005 ; Denne et al., 2013 ). Due to its proximity to the Chicxulub impact crater, the Campeche Escarpment is a unique geologic feature that can provide invaluable new information into the carbonate platform's response...
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Journal Article
Journal: Geology
Published: 01 October 2012
Geology (2012) 40 (10): 939-942.
.... Fietzke J. Garbe-Schoenberg D. Watts P. , 2004 , Megatsunami deposits on Kohala volcano, Hawaii, from flank collapse of Mauna Loa : Geology , v. 32 , p. 741 – 744 , doi:10.1130/G20642.1 . Mitchell N.C. , 2003 , Susceptibility of mid-ocean ridge volcanic islands and seamounts...
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