Hydrogen sulfide kills fish in Lake Averno – Signs of an imminent eruption of Campi Flegrei?

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Lake Averno is situated in the Campi Flegrei volcanic field.

Today, hydrogen sulfide present in the waters killed hundreds of fish in the lake. Is that a sign of an imminent eruption of Campi Flegrei?

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Hundreds of dead fish were found along the hores of Lake Averno in the volcanic filed of Campi Flegrei. Next eruption? via Leggo.it

Today, you will only hear talking about this sudden and strong smell of sulfur around the shores of the lake of Averno, the historical door to the underworld according to Romans.

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Some fish dead at the surface of Lake Averno in Campi Flegrei volcanic field. Signs of an incoming eruption? via Leggo.it

This would be due to the presence of hydrogen sulfide in the water that comes from the volcanic activity below the water surface – emission of fumaroles releasing the strong smell of sulfur.

Such events also create an anoxic environment for fishwhich rose, dead, to the surface of the water.

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Signs of hydrogen sulfide on the water surface of Lake Averno via Leggo.it

And this is not the first time! The phenomenon has alread affected the lake in the last few years, but always in November or January. Along the banks, the water is covered by a veil of light yellowish color – a sign of the presence of hydrogen sulphide.

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Why did hundreds of fish died along the shores of Lake Avero? via Leggo.it

Is that a natural and cyclical phenomenon or are these signs of an imminent eruption of Campi Flegrei ?

Locals have talked to Arpac Commissioner, Peter Vasaturo. It is most likely a natural phenomenon. But officials will inspect the lake and make sure residents are not facing something ‘catastrophal’ in a near future. It is important to reassure immediately the public.

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