One of the most dangerous volcanoes of the world the magma accumulates and may Wake up at any moment, according to volcanologists.
Over the past 60 years, the volcanic region — which comprises 24 craters and highlands, has shown palpable signs of unrest. Therefore, scientists tried to keep as explosive Caldera under control.
Scientists from ETH Zurich have investigated the mining, mineral and glass samples 23 eruptions in Campi Flegrei — including two of the most powerful in the last 60 000 years. By analyzing the samples, researchers have reconstructed the geological picture of the before and after eruptions.
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They found that the Caldera entering a new cycle, accumulating magma beneath the volcanic system. This means that preparing a powerful eruption, scientists say. However, when it happens, the team did not specify.
Analysis of elements assumes that abrupt changes of temperature and water composition of the magma always occurred at critical moments in the history of the volcanic Phlegraean fields. Increasing the amount of water in the magma has occurred just before the eruption of Monte Nuovo in 1538.
After the appearance of Monte Nuovo, Campi Flegrei went to sleep. But since the early 1950s three times already happened “unrest”, warning of a possible awakening of the volcano. Scientists believe that the filling of a huge reservoir of magma under the Caldera is a sign that the eruption will be powerful.
However, how powerful, volcanologists are still arguing, setting for the upcoming events wide range: from the eruption of Monte Nuovo (0,02 cubic kilometers) from mount Vesuvius, which destroyed Pompeii and Herculaneum (1 cubic km).