Le système volcanique Vestmannaeyjar (îles Vestmann) se compose d'un groupe d'environ 30 x 40 km d'îles volcaniques basaltiques et de cônes sous-marins occupant un plateau peu profond au large de la côte sud de l'Islande. Il a été le site de deux des plus importantes naissances volcaniques du XXe siècle en Islande. La nouvelle île de Surtsey s'est développée à partir du fond de l'océan et a émergée en 1963 et 1967. L'île de Heimaey se trouve à 20 km au nord-est de l’île de Surtzey. Elle a été le site d'éruptions dramatiques. Le 23 janvier 1973, le sol s’est fendu et un volcan entre en éruption, l’Eldfell. 5000 habitants ont dû être évacués. Les coulées de laves menacent de détruire le port, ce qui est une véritable menace pour le pays. En 1973, 80% de l’export Islandais est de l’export poissonnier et 1/10 ème se fait à partir de l’archipel de Vestmannaeyjar. Au total 1/3 de la ville sera détruite et une personne périra. Les Islandais reconstruiront petit à petit leurs chez eux. Découvrez notre voyage en Islande : Découverte des aurores boreales au coeur du desert Sources : «In Iceland’s fourteenth volcanic eruption of this century, a mountain is born, and a village fights for its life » de Noel Grove, National Geographic, juillet 1973. Global Volcanism Program
Le système volcanique Vestmannaeyjar (îles Vestmann) se compose d’un groupe d’environ 30 x 40 km d’îles volcaniques basaltiques et de cônes sous-marins occupant un plateau peu profond au large de la côte sud de l’Islande. Il a été le site de deux des plus importantes naissances volcaniques du XXe siècle en Islande. La nouvelle île
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