The Brunei slide: A giant submarine landslide on the North West Borneo Margin revealed by 3D seismic data

Gee, M.J.R.; Uy, Homerson; Warren, John K.; Morley, C.K.; Lambiase, Joseph J.

doi:10.1016/j.margeo.2007.07.009

Cited by 164 publications

(100 citation statements)

References 20 publications

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“…We are motivated by the work of GEE et al (2007), who used 3-dimensional seismic imaging to document the presence of such a structure off the coast of Brunei, at the delta of the Baram River (Fig. 2).…”

Section: The Case Of the Brunei Slidementioning

confidence: 99%

“…However, the Brunei Slide is unique in being ''thicker'', i.e., differing in aspect ratio from the other mega-slides, and in occurring in an environment with abundant sediment flux from the Baram River. The age of the Brunei slide is debated, but it could be as recent as Holocene, while deeper structures in the seismic stratigraphy suggest repeated episodes of sliding (GEE et al, 2007). In this context, the Brunei slide might be reactivated in the future, and should be included as a source of tsunami hazard in the South China Sea.…”

Section: The Case Of the Brunei Slidementioning

confidence: 99%

“…However, the tsunami does not reach the Java Sea. The mechanism of triggering of the Brunei slide remains unknown; GEE et al, (2007) have suggested as possible agents intraplate earthquake activity, anticline collapse or the destabilization of gas hydrates, as suggested for example by BOURIAK et al, (2000) at the Storrega site in the context of the Fennoscandian deglaciation. We note the occurrence on 21 July 1930 of an earthquake assigned M = 6 by GUTENBERG and RICHTER (1954), in the center of the South China Sea basin, which we relocated to 7.92°a nd 113.48°E (Fig.…”

Section: The Case Of the Brunei Slidementioning

confidence: 99%

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Tsunami Simulations for Regional Sources in the South China and Adjoining Seas

Okal

Synolakis

Kalligeris

2010

Pure Appl. Geophys.

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We present 14 scenarios of potential tsunamis in the South China Sea and its adjoining basins, the Sulu and Sulawezi Seas. The sources consist of earthquake dislocations inspired by the the study of historical events, either recorded (since 1900) or described in historical documents going back to 1604. We consider worst-case scenarios, where the size of the earthquake is not limited by the largest known event, but merely by the dimension of the basin over which a coherent fault may propagate. While such scenarios are arguably improbable, they may not be impossible, and as such must be examined. For each scenario, we present a simulation of the tsunami's propagation in the marine basin, exclusive of its interaction with the coastline. Our results show that the South China, Sulu and Sulawezi Seas make up three largely independent basins where tsunamis generated in one basin do not leak into another. Similarly, the Sunda arc provides an efficient barrier to tsunamis originating in the Indian Ocean. Furthermore, the shallow continental shelves in the Java Sea, the Gulf of Thailand and the western part of the South China Sea significantly dampen the amplitude of the waves. The eastern shores of the Malay Peninsula are threatened only by the greatest-and most improbable-of our sources, a mega-earthquake rupturing all of the Luzon Trench. We also consider two models of underwater landslides (which can be triggered by smaller events, even in an intraplate setting). These sources, for which there is both historical and geological evidence, could pose a significant threat to all shorelines in the region, including the Malay Peninsula.

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Section: The Case Of the Brunei Slidementioning

confidence: 99%

Section: The Case Of the Brunei Slidementioning

confidence: 99%

Section: The Case Of the Brunei Slidementioning

confidence: 99%

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Tsunami Simulations for Regional Sources in the South China and Adjoining Seas

Okal

Synolakis

Kalligeris

2010

Pure Appl. Geophys.

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“…for instance, off-scraped sediments make up approximately 80% of the olistostrome [Gee et al, 2007;.…”

Section: Makranmentioning

confidence: 99%

Effects of mass waste events on thrust wedges: Analogue experiments and application to the Makran accretionary wedge

Smit

Burg²,

Dolati

et al. 2010

Tectonics

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“…The larger slides are generally thought to be capable of generating damaging or catastrophic tsunami (Harbitz et al, 2013) and the suggested landslide triggers include earthquake loading (Fine, Rabinovich, Bornhold, Thomson & Kulikov 2005), pore pressure effects (Locat & Lee, 2002;Masson et al, 2006), gas generation (Maslin, Mikkelsen, Vilela, & Haq, 1998;Sultan, Cochonat, Foucher, Mienert & Sejrup, 2004), storm waves (Prior & Coleman, 1984), and rapid sedimentation (Masson et al, 2006). While a number of slides have been identified and examined in detail, for example, the Storegga Slides in Norway , the Brunei Slide in Borneo (Gee, Uy, Warren, Morley & Lambiase, 2007), the Goleta Slide in California (Greene et al, 2006), slides in Angola (Gee et al, 2006), the Gulf of Mexico (Silva, Baxter, LaRosa & Bryant, 2004), the Hawaiian Islands (McMurtry et al, 2004), Canary Islands (Masson et al, 2006), and slides along the Hikurangi Margin in the Southwest Pacific Region (Lamarche, Joanne & Collot, 2008), the physical processes that generate and facilitate submarine landslides are not well-constrained or understood (Bardet, Synolakis, Davies, Imamura & Okal, 2003;Locat & Lee, 2002;Mosher et al, 2010;Urlaub, Talling, & Masson, 2013). One of the principal reasons for the lack of definitive explanations for this phenomenon is the relative dearth of data on the physical and mechanical properties of the sediments, particularly sediments representative of the failure surface, as few examples of sediments of this type have been recovered (Urlaub et al, 2013).…”

Section: Introductionmentioning

confidence: 99%