The landslide and local tsunami of 13 September 1999 on Fatu Hiva (Marquesas Islands; French Polynesia)

Emile A. Okal; Gerard J. Fryer; José C. Borrero; Christophe Ruscher

doi:10.2113/173.4.359

The landslide and local tsunami of 13 September 1999 on Fatu Hiva (Marquesas Islands; French Polynesia)

Emile A. Okal^*, Gerard J. Fryer, José C. Borrero, Christophe Ruscher

^*Corresponding author for this work

Earth and Planetary Sciences

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

On 13 September 1999, a local tsunami, comprising two waves separated by a few minutes, hit the village of Omoa, on the island of Fatu Hiva, French Polynesia. It inflicted serious damages to structures built close to the sea-shore, in particular to the local elementary school. The tsunami was generated by the collapse of a basaltic cliff, located 3 km to the southeast of Omoa, along the coastline. The volume of the landslide is estimated to range from 2 to 5 million m³, of which 60% fell into the sea. A preliminary simulation of the tsunami provides an acceptable explanation of wave amplitudes, as well as an estimate of the origin time of landslide.

Original language	English (US)
Pages (from-to)	359-367
Number of pages	9
Journal	Bulletin de la Societe Geologique de France
Volume	173
Issue number	4
DOIs	https://doi.org/10.2113/173.4.359
State	Published - 2002

Keywords

French Polynesia
Landslide
Marquesas Islands
Tsunami

ASJC Scopus subject areas

General Earth and Planetary Sciences

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10.2113/173.4.359

Cite this

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AU - Ruscher, Christophe

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AB - On 13 September 1999, a local tsunami, comprising two waves separated by a few minutes, hit the village of Omoa, on the island of Fatu Hiva, French Polynesia. It inflicted serious damages to structures built close to the sea-shore, in particular to the local elementary school. The tsunami was generated by the collapse of a basaltic cliff, located 3 km to the southeast of Omoa, along the coastline. The volume of the landslide is estimated to range from 2 to 5 million m3, of which 60% fell into the sea. A preliminary simulation of the tsunami provides an acceptable explanation of wave amplitudes, as well as an estimate of the origin time of landslide.

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The landslide and local tsunami of 13 September 1999 on Fatu Hiva (Marquesas Islands; French Polynesia)

Abstract

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