Near- and far-field survey report of the 30 December 2002 Stromboli (Southern Italy) tsunami

Maramai, Alessandra; Graziani, Laura; Alessio, Giuliana; Burrato, Pierfrancesco; Colini, Laura; Cucci, Luigi; Nappi, Rosa; Nardi, Anna; Vilardo, G.

doi:10.1016/j.margeo.2004.11.009

Cited by 67 publications

(29 citation statements)

References 4 publications

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“…Etna invoke for reconsideration the tsunami risk in Eastern Mediterranean (and we are just working on it). Let you think that the recent 2002 tsunami at Stromboli, Sieberg‐Ambraseys intensity 5 [ Maramai et al , 2005], originated from a landslide with a volume of ‘only’ 0.026 km 3 [ Calvari et al , 2005], just about 10 3 times smaller than those we detected offshore Mt. Etna.…”

Section: Discussionmentioning

confidence: 94%

Large submarine landslides offshore Mt. Etna

Pareschi

Boschi

Mazzarini

et al. 2006

Geophysical Research Letters

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[1] High resolution seismic data, we collected in the Ionian sea, reveal large submarine landslide deposits offshore from Mt. Etna (Italy), spatially consistent with the eastern flank collapse of this volcano. A large debris-avalanche deposit, we relate to the Valle del Bove scar, displays long offshore run-outs (till 20 km) and a volume of a few tens of cubic kilometres (16 -21 km 3 ). Other landslide deposits are also imaged, in particular a striking unique record of the relative timing of multiple submarine large slump events.

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Section: Discussionmentioning

confidence: 94%

Large submarine landslides offshore Mt. Etna

Pareschi

Boschi

Mazzarini

et al. 2006

Geophysical Research Letters

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“…The amplitudes of 100 m for the large landslide may intuitively appear huge; however, they are compatible with the enormous volumes (10 km 3 ) chosen to slide. Waves are ∼10 times higher than that generated following the collapse of Stromboli in December 2002: A 10 m high wave was formed [ Maramaï et al , 2005], but the landslide was only 17.10 6 m 3 , 500 times smaller than the volume tested in our simulation. The wave generated by the Lituya Bay landslide (volume of 30.10 6 m 3 ; 300 times smaller than our volume), in Alaska in 1958 [ Miller , 1960; Fritz et al , 2001] propagated into the bay, reaching 500 m close to the impact, 60 m laterally at 6 km from the collapse, and 30 m at 12 km.…”

Section: Discussionmentioning

confidence: 99%

Landslide‐generated tsunamis at Réunion Island

Kelfoun¹,

Giachetti²,

Labazuy³

2010

J. Geophys. Res.

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[1] Landslides that occur on oceanic volcanoes can reach the sea and trigger catastrophic tsunamis. Réunion Island has been the location of numerous huge landslides involving tens to hundreds of cubic kilometers of material. We use a new two-fluid (seawater and landslide) numerical model to estimate the wave amplitudes and the propagation of tsunamis associated with landslide events on Réunion Island. A 10 km 3 landslide from the eastern flank of Piton de la Fournaise volcano would lift the water surface by about 150 m where it entered the sea. The wave thus generated would reach Saint-Denis, the capital of Réunion Island (population of about 150,000 people), in only 12 min, with an amplitude of more than 10 m, and would reach Mauritius Island in 18 min. Although Mauritius is located about 175 km from the impact, waves reaching its coast would be greater than those for Réunion Island. This is due to the initial shape of the wave, and its propagation normal to the coast at Mauritius but generally coast-parallel at Réunion Island. A submarine landslide of the coastal shelf of 2 km 3 , would trigger a ∼40 m high wave that would severely affect the proximal coast in the western part of Réunion Island. For a landslide of the shelf of only 0.5 km 3 , waves of about 2 m in amplitude would affect the proximal coast.

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“…In the following hours, a deep‐seated movement disturbed the slope without evolving into a destructive slide [ Tommasi et al , 2005]. At 1215 UT of 30 December a large‐scale slope failure occurred, triggering tsunami waves that propagated around Stromboli and onto nearby islands, having an influence as far as the Campanian, Calabrian, and northern Sicily coast [ Maramai et al , 2005]. A number of local witnesses agree on a negative first wave pulse (initial water retreat) and one of them reports that “a sort of vertical cut” suddenly opened in the seawater at the Sciara foot and propagated around [ Tinti et al , 2005].…”

Section: December 2002 Submarine Slide and Tsunamimentioning

confidence: 99%

The Stromboli 2002 tsunamigenic submarine slide: Characteristics and possible failure mechanisms

et al. 2008

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On 30 December 2002, a major instability event, deeply involving the submarine slope, occurred on the Sciara del Fuoco, on the western flank of Stromboli volcano, in the Aeolian Islands. Tsunami waves with a maximum runup of over 10 m in Stromboli were generated, having a measurable impact as far as the Sicily coast. Just 10 months before the event, a multibeam bathymetry had been collected in the area down to 1000 m of depth. A repetition of the survey after the slide allowed the unique opportunity to verify the occurrence of a large submarine slide and to define volumes involved and morphology generated by the event, through the comparison of the preevent and postevent bathymetric grids. A morphological characterization of the slope before and after the submarine landslide is presented, showing how the preexisting features interacted with the slide event in controlling the instability. Mechanisms of the submarine failure are discussed on the basis of the geometrical characters of the landslide event, structural and stratigraphic setting of the submerged slope, and geotechnical considerations on the behavior of slope material

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Near- and far-field survey report of the 30 December 2002 Stromboli (Southern Italy) tsunami

Cited by 67 publications

References 4 publications

Large submarine landslides offshore Mt. Etna

Large submarine landslides offshore Mt. Etna

Landslide‐generated tsunamis at Réunion Island

The Stromboli 2002 tsunamigenic submarine slide: Characteristics and possible failure mechanisms

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