1999
DOI: 10.1016/s0025-3227(98)00147-9
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Potential geologic hazards on the eastern Gulf of Cadiz slope (SW Spain)

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Cited by 70 publications
(40 citation statements)
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“…Mud volcanism and associated phenomena such as cold seepage, hydrocarbon venting and gas hydrates in the Gulf of Cadiz have been investigated since 1996 (Baraza and Ercilla, 1996;Baraza et al, 1999;Ivanov et al, 2000Ivanov et al, , 2001Somoza et al, 2000;Gardner, 2001;Kenyon et al, 2001;Mazurenko et al, 2002;Pinheiro et al, 2003). An exploratory cruise of R/V Belgica in 2002 on an accretionary setting in the Gulf of Cadiz (Gutscher et al, 2002) off Larache (Morocco), led to the discovery of a cluster of nine mud volcanoes: the El Arraiche mud volcanoes field (Van Rensbergen et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…Mud volcanism and associated phenomena such as cold seepage, hydrocarbon venting and gas hydrates in the Gulf of Cadiz have been investigated since 1996 (Baraza and Ercilla, 1996;Baraza et al, 1999;Ivanov et al, 2000Ivanov et al, , 2001Somoza et al, 2000;Gardner, 2001;Kenyon et al, 2001;Mazurenko et al, 2002;Pinheiro et al, 2003). An exploratory cruise of R/V Belgica in 2002 on an accretionary setting in the Gulf of Cadiz (Gutscher et al, 2002) off Larache (Morocco), led to the discovery of a cluster of nine mud volcanoes: the El Arraiche mud volcanoes field (Van Rensbergen et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…The preconditioning factors of slope failure are associated with high environmental stresses (e.g., earthquakes, folds and submarine canyon fan systems) (Hampton et al 1996) and overpressure in sedimentary layers due to rapid sedimentation and gas generation (Micallef et al 2009;Urlaub et al 2015;Cukur et al 2016). Thus, gas hydrate dissociation could play an important role on generating slope failures (McIver 1982;Mienert et al 2002;Horozal et al 2017), as was hypothesized in the case of the Storegga Slide off Norway (Bunz et al 2003;Berndt et al 2005;Mienert et al 2005;Brown et al 2006;Micallef et al 2009), the Cape Fear Slide off SE U. S. (Popenoe et al 1993;Schmuck and Paull 1993), the Blake Ridge Collapse off SE U. S. (Booth et al 1994;Dillon et al 1998), the Humboldt Slide off California U. S. (Gardner et al 1999;Yun et al 1999), and the Gulf of Cadiz slides off SW Spain (Baraza et al 1999). In the Storegga Slide, the area of gas hydrate dissociation is near the headwall of the slide and numerous fluid escape features were observed in the vicinity of the northern sidewall.…”
Section: Introductionmentioning
confidence: 95%
“…In the Gulf of Cadiz slides off SW Spain, gassy sediments and pockmarks covering more than 240 km 2 were observed and frequent earthquake activities have been recorded. The triggering of the Gulf of Cadiz slides was due to the presence of steep slope (7°) in the upper slope, earthquakes and the presence of gas within sediments (Baraza et al 1999). Leynaud et al (2017) indicated the escarpment of 40 m high of the Gulf of Cadiz Slides was triggered by high-amplitude earthquakes or by accumulated displacement along a tectonic discontinuity.…”
Section: Introductionmentioning
confidence: 99%
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“…The opening of the Strait of Gibraltar has controlled inflow and outflow currents as well as depositional patterns from the Pliocene to the present . Although current undercutting of slope deposits has caused local submarine landslides Nelson et al, 1999), large sediment-failure events in the Gulf of Cadiz observed in Pliocene and Quaternary deposits Baraza et al, 1999) appear to be controlled mainly by seismicity.…”
Section: Tectonic Controlmentioning
confidence: 99%