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Campi Flegrei Supervolcano

The Campi Flegrei supervolcano area near Naples, Italy, recently encountered a magnitude 4.4 earthquake, the most powerful in decades.

Campi Flegrei Supervolcano Near Naples Hit by Strongest Earthquake in Decades

The earthquake was part of a series of seismic events called a “seismic storm,” with over a dozen earthquakes of magnitude 2.0 or higher in recent days. 

  • In April 2024, the National Institute of Geophysics and Volcanology (INGV) recorded over 1,000 earthquakes in the area, but most were very mild, with a magnitude of less than 1.0.

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Campi Flegrei 

Campi Flegrei, also referred to as the Phlegrean Fields, is a volcanic region in  Italy.

  • Characteristics: It has a complicated volcanic system with many volcanic centers inside a large caldera. 
  • Formation: It was formed 39,000 years ago when an eruption released its magma. A hypothesis  suggests that this eruption could have contributed to the decline of the Neanderthals.
  • Concerns of Bradyseism: Since 1950, Campi Flegrei has remained in a state of unrest, attributed to a phenomenon termed bradyseism. 
    • This phenomenon, understood by scientists as the gradual shifting of Earth’s surface, arises from the filling or depletion of an underground magma chamber or due to hydrothermal activity.

Reason Behind Abundance of Volcanoes in Italy

Italy’s abundance of volcanoes stems from its location along a tectonic plate boundary, where the African Plate subducts beneath the Eurasian Plate. This geological activity fosters conditions conducive to volcanic eruptions, resulting in the formation of numerous active and dormant volcanoes.

 

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