Pozzuoli – A magnitude 2.0 earthquake shook the Phlegraean Fields in the late morning of Thursday, December 11, 2025, generating a roar clearly felt by the population. The seismic event, recorded by the Vesuvius Observatory at 11:07 a.m. local time, with its epicenter near Monte Nuovo, shook homes and sparked apprehension among residents.
The hypocentral depth, estimated at 2,93 kilometers, amplified the surface perception of the earthquake. According to official data communicated to the Municipality of Pozzuoli, the magnitude was calculated at 2.0 ± 0.3, a variability that reflects the complexity of the monitoring system in an area with a high volcanic density. The shock is part of the seismic sequence that has been affecting the Campi Flegrei for months, but the intensity of the blast made this event particularly significant.
"I heard a deep rumble, as if coming from the bowels of the earth. Then the table began to vibrate and the window to rattle," said Maria Rossi, a resident of the Monterusciello area. Several similar reports came from Quarto and some areas of central Pozzuoli, where the event was clearly felt despite its low magnitude. The acoustic perception, typical of surface tremors, preceded the seismic vibration by a few seconds.
The Vesuvius Observatory immediately alerted the operations room of the municipal and regional Civil Protection agencies. "We are constantly monitoring the evolution of the seismic sequence," explains an official statement from the research institution. "The event does not present any anomalous characteristics compared to the ongoing activity, but its superficial nature requires maximum attention." The Campi Flegrei multiparametric monitoring system remains on orange alert, a level indicating an evolving state of unrest at the volcano.
The scientific context makes every tremor a critical factor for monitoring. The Campi Flegrei, one of the most studied volcanoes in the world, has been experiencing a phase of ground uplift and seismic activity that has lasted over a year.
Experts from the Department of Earth Sciences at the Federico II University of Naples emphasize that events with magnitudes between 1.5 and 2.5 are expected in this scenario, but the depth of less than 3 km requires a detailed analysis of the sources.
The depth of less than 3 km and the roar that was felt make this event particularly significant for popular perception, despite its limited magnitude. The article balances alarmism and scientific information, typical of Campanian news reports on volcanic risks.
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