Campi Flegrei Volcano Shakes Up Southern Italy with Significant Seismic Event
The earthquake ignited concerns that Campi Flegrei volcano could be reawakening from a nearly 500-year slumber.
Back in late 2023, I reported that more than a thousand minor earthquakes had rattled the area around the Campi Flegrei volcano in southern Italy, causing concerns that it would erupt again after nearly five centuries.
Campi Flegrei is known for its potential to produce both minor and catastrophic eruptions. Even a moderate eruption [“3” on the Volcanic Explosivity Index (VEI)], such as the one that occurred in 1538, would likely cause significant damage locally. This would be disastrous for the densely populated areas around Naples.
A study conducted by the WTW Research Network and its partners has undertaken a risk assessment for 10 European volcanoes that have significant VEI-2+ eruption risk, including Campi Flegrei. It describes the possible regional impact of an eruption:
The study found that in the case of a moderately sized VEI-3 eruption at Campi Flegrei, 2.5 million people would be exposed to 2 centimeters of ashfall (causing disruption to transport, infrastructure and agriculture), 144,000 people would be exposed to 25 centimeters of ashfall (causing structural damage to buildings), and 200,000 people would be exposed to pyroclastic density currents (causing total destruction).
The authors also estimated that $7.8 billion (in 2010 U.S. dollars) in economic residential property value would be at risk of severe damage or destruction. The true cost of an eruption, factoring in non-residential damage and business interruption as well as inflation and exposure growth since 2010, would likely far exceed this number. The government and property owners would bear most of this cost, given Italy’s low take-up rate for insurance.
Therefore, when a Richter Scale 4.6 earthquake hit the area on Monday and triggered evacuations, it reignited concerns that Campi Flegrei may be waking up from its 500-year slumber.
Naples has been rocked by its strongest earthquake in four decades, shaking homes across southern Italy and sparking fears that the nearby Campi Flegrei supervolcano could be reawakening.
On Monday 30 June 2025, a magnitude 4.6 earthquake struck near Bacoli, about 10 miles west of Naples. Residents across the city reported feeling strong tremors, describing it as the most powerful quake in recent memory.
Pozzuoli Mayor Luigi Manzoni told GB News that there were no immediate reports of damage. He urged residents to remain calm while local volunteers checked buildings and infrastructure to ensure public safety.
‘The earthquake we warned of was strong, but at the moment there are no reports of damage,’ Manzoni said. ‘We are facing a situation that must be monitored hour by hour.’
There were also a series of aftershocks.
It is believed that the 4.6 magnitude earthquake is coming as part of a series of quakes. It was followed by at least three others, of magnitude two, two, 1.6 and one.
Local media reported that the mayor of nearby town Pozzuoli, Luigi Manzoni, said that there were no incidents of damage to his town.
He said: ‘The earthquake we warned of was strong, but at the moment there are no reports of damage. The epicenter was in Bacoli but we are facing a situation to monitor hour after hour. Our volunteers are already out in town checking the situation closely.’
In a piece published on Watts Up With That, Eric Worrall weighs the real risk of active volcanism versus the computer-generated climate crisis.
But unlike Yellowstone, Campi Flegrei is in the middle of a heavily populated region of Europe. If Campi Flegrei were to really let go, much of Europe and possibly Northern Africa would receive a dump of volcanic ash. Renewables could be especially vulnerable – volcanic ash is a super fine hard mineral abrasive which gets in everywhere, a real threat to fragile outdoor equipment.
…
A genuine low probability, high impact risk like this kind of puts the anthropogenic climate scare into perspective.
Image by perplexity.ai.
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Comments
Coming soon to a theater near you:
Terremoto starring Carlo Hestoni
“È un manicomio! Un manicomio!”
I spent 3 years in that area (80-83), tremors were a regular occurrence. I actually arrived in Naples a few days before the 1980 earthquake and remember it like it was yesterday. We were at my buddy’s place watching the original Superman when his GF asked me to stop shaking her hanging planter right next to me. Whoopsie! Out the door we went. The locals were out in the street praying loudly to San Gennaro, the patron saint of Naples.
Then there’s the whole “breathing in the fine particle stuff.” Not good.
On the plus side the weather would be cooler for a time.
This is Trump’s fault. Vulcan must not have liked the OBBB.
patriots in america get tremors over the thoughts of the country moving further left
This activity is just to the north of Naples. Further south, about 15 miles away, are the ruins of Pompeii.
(And not every mayor is named Luigi Manzoni!)
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