Discover Why Bolivia’s ‘Zombie’ Volcano is Erupting Again: Insights from Scientists

A "zombie" volcano in Bolivia, named Uturuncu, has been stirring after being quiet for a staggering 250,000 years. Scientists, intrigued by its unusual activity, have been investigating what could be causing it.

Uturuncu is located in the Andes Mountains and last erupted long ago. Recently, it has shown signs such as gas emissions, earthquakes, and shifts in the ground, sparking concerns about a possible eruption.

A recent study published in the journal PNAS reveals that these signs are linked to hot liquids and gases bubbling beneath the surface. This discovery is significant; it not only sheds light on Uturuncu’s current state but also helps gauge eruption risks at other volcanoes.

What exactly is happening under Uturuncu? Researchers found that deep beneath it lies a large reservoir of magma called the Altiplano-Puna Magma Body. While many initially thought this magma was rising quickly to the surface, the study suggests otherwise. Instead, it’s pushing hot fluids and gases upwards through a narrow channel, trapping steam and carbon dioxide just below the summit.

Since the 1990s, scientists have monitored ground changes around the volcano using satellite radar and GPS. They’ve observed a “sombrero” pattern: a central area rising while others sink. This phenomenon, accompanied by a rising rate of about 0.4 inches per year, indicates that the ground is still active, even without a major eruption looming.

Experts believe this method of analysis can be a game changer. Matthew Pritchard, a geophysicist at Cornell University, stated that it could help assess more than 1,400 potentially active volcanoes worldwide. The findings offer hope for better understanding volcano behaviors and predicting eruptions.

Recent social media reactions to the study have sparked debate. Many enthusiasts have taken to platforms like Twitter to express fascination and concern over the “zombie” label, likening it to elements from horror films. This public intrigue highlights how science can captivate and unite people around natural phenomena.

In summary, while Uturuncu might not be on the brink of eruption, its activities remind us of the ever-changing nature of our planet. Studies like this not only enrich our understanding but also provide crucial insights into volcanic behavior globally. For more in-depth information, check out trusted sources like the U.S. Geological Survey.

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