Monitoring of the colonization process at Tagoro submarine volcano, El Hierro Island (Spain), held during the first three years since its generation.
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AuthorsSotomayor-García, A. (Ana)
KeywordsEl Hierro submarine volcano
new lava colonization
In October 2011, patches of pale-coloured water began appearing off the island’s southern coast, dead fish floated on the ocean surface, and locals noted a strong smell of sulphur in the air. These, it turned out, were the first signs of the first submarine volcanic eruption in the last 500 years of volcanology history of the Canary Islands at 1.8 km south of La Restinga village, some 400 metres below the surface of the Atlantic Ocean. In that moment, the Spanish Institute of Oceanography (IEO) together with both Canary Universities and other research institutions began to monitor the event. The eruption continued until March the following year, leaving the cone of the volcano just 88 metres below the water’s surface. Nowadays, the submarine volcano is still active in a degasification phase with a release of heat, gases and metals that produce significant physical-chemical anomalies in the surrounding waters. The volcano-affected area has exhibited responses that are occurring globally, ...
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