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The recent research carried out by teams of scientists from the universities of Florence and Liverpool revealed that the eruptions of supervolcanoes could occur much faster than we thought. This discovery, which is based on new analysis techniques, is crucial to anticipate and understand the extreme volcanic risks that threaten our planet. By studying the Stromboli volcano, these scientists highlighted mechanisms that could transform our understanding of volcanic eruptions.
Understand the speed of volcanic eruptions
Volcanic eruptions have long been considered events that can develop over several centuries. However, recent discoveries suggest that rashes could be triggered in just a few days. This new chronology was established thanks to a combination of the oil study and the modeling of the dissemination of the crystals ejected during the eruptions of the Stromboli in 2019. By analyzing the mineralogical and chemical composition of volcanic materials, the researchers were able to reconstruct the magmatic system of the volcano in depth.
This advance marks a turning point in understanding the most powerful volcanic systems in the world. The deep magma injections, identified as potential triggers of eruptions, have an underestimated danger. This means that the warning signs of a massive eruption could be much less noticeable than expected, making the preparation and anticipation of risks all the more complex.
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The similarities with the toba eruption
Research on Toba supervolcan, whose eruption about 74,000 years ago had a global climate impact, also enlightened scientists. Using zircons dating, they were able to measure the time necessary for the magmatic system to evolve and accumulate pressure before the eruption. This information is essential to understand how similar supervolcanic events could occur in the future.
The comparison between Toba and Stromboli highlights the importance of this research. By understanding the underlying processes, scientists hope to better predict the behavior of these volcanic giants. This understanding could not only save lives, but also to better manage the environmental and climatic consequences of an eruption.
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The overall consequences of supervolcanal eruptions
Supervolcans, due to their strong viscosity and their high gas content, are able to cause raw violence and magnitude. When the pressure reaches a critical point, these eruptions can expel massive quantities of ash, gas and volcanic materials in the atmosphere. This phenomenon can cause global cooling, block sunlight and disturb weather conditions.
The consequences would be dramatic, with potential impacts on crops, massive extinctions and generalized environmental changes. These risks highlight the importance of research and continuous monitoring of active volcanic systems. Scientists insist that the in -depth study of these phenomena is a lesson in humility in the face of the power of nature.
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The dilemmas of human intervention
Faced with these discoveries, a question arises: should humanity intervene to prevent an eruption of supervolcano? According to David Pyle, volcanologist at the University of Oxford, the risks of inaction are important, but those of the intervention are just as much. Interfere with such a colossal phenomenon could have unpredictable consequences.
However, ignoring these threats is not a viable option. The debate on human intervention in the face of supervolcans is complex, mixing science, ethical and geopolitical. It is crucial to understand the mechanisms of these volcanoes so as not to be caught when they wake up. This understanding could be the key to developing risk management strategies worldwide.
Research on supervolcans continue to evolve, revealing unexpected aspects of these sleeping giants. While scientists deepen their understanding of volcanic processes, a question persists: will we be ready to manage the consequences of an eruption of supervolcano, or will we be forced to undergo the unequaled power of nature?
The author relied on artificial intelligence to enrich this article.
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