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EARTHQUAKES

Italy’s Siena province shaken by 3.4 earthquake

A 3.4-magnitude earthquake shook the Siena province, central Tuscany, on Tuesday evening, resulting in no damage but causing residents to run out into the streets.

Siena, Italy
People walk in Piazza del Campo, Siena in July 2020. Photo by MARCO BERTORELLO / AFP

The quake, which occurred at 7.49pm local time, did not result in any damage but caused “panic” among residents, with many rushing out into the streets, Tuscany’s president Eugenio Giani said.

The epicentre was located four kilometres east of the town of Poggibonsi, in the Siena province, at a depth of around 8.3 kilometres, according to Italy’s National Institute of Geophysics and Volcanology (INGV).

The quake was initially estimated to have been between 3.2 and 3.7 on the Richter magnitude scale before official data placed it at 3.4. 

Poggibonsi mayor David Bussagli said the quake “was felt distinctly” but “no damage to people or things” had been reported.

The tremor was also felt by residents in Florence, Arezzo and Pisa, according to local media reports.

READ ALSO: What to do in an earthquake in Italy

Tremors are not new to the area. A 3.5 quake struck the city of Siena, which is famous for its artistic heritage and the Palio horse race, last February, causing local museums, schools and universities to close for a day. 

Italy is among the most earthquake-prone countries in Europe as the Italian peninsula lies right where the African tectonic plate converges with the Eurasian plate, meaning that the country is “seismic in its entirety”, according to the country’s Civil Protection Department.

READ ALSO: Which parts of Italy have the highest risk of earthquakes?

Italy has been hit by more than 30,000 medium to strong earthquakes over the past 2,500 years, and seven earthquakes with a magnitude of 6.5 or more in the 20th century alone.

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EARTHQUAKES

‘We have to live with fear’: Panic as tremors shake Italy’s Campi Flegrei

A flurry of tremors of a strength not seen in decades was registered at a volcanic caldera near the southern Italian city of Naples on Monday night, sparking panic among residents but resulting in no major damage, authorities said.

'We have to live with fear': Panic as tremors shake Italy's Campi Flegrei

One 4.4-magnitude quake was registered shortly after 8 pm (1800 GMT) at a depth of 2.5 kilometres (1.6 miles), according to the National Institute of Geophysics and Volcanology (INGV).

It was preceded moments earlier by a 3.5-magnitude tremor and followed by dozens of aftershocks.

The Campi Flegrei – or Phlegraean Fields, as the caldera is known – experienced about 150 earthquakes between 7:51 pm on Monday and 12:31 am on Tuesday, the INGV said in a report.

READ ALSO: ‘Constant anxiety’: What life is like on Italy’s Campi Flegrei volcano

According to the institute’s Mauro Di Vito, this was “the most powerful seismic swarm in the last 40 years”.

Emergency services in the area reported cracks and pieces falling from buildings, while amateur video from a supermarket in the town of Pozzuoli showed bottles strewn across the floor after being shaken off shelves.

Cracks are seen on the road near the Campi Flegrei on October 4, 2023 in Pozzuoli. (Photo by Alberto PIZZOLI / AFP)

Many residents of Pozzuoli, west Naples, rushed out of their homes into the street following the tremors.

Italy’s Civil Protection Department said on Tuesday morning that 39 families had been evacuated from 13 buildings following safety inspections.

The mayor of Pozzuoli, Gigi Manzoni, urged people to remain calm but acknowledged it was a situation that was “stressing us all”.

Four reception centres were set up overnight for people who did not feel safe in their homes, while authorities in Naples arranged to send 400 temporary beds to the area.

Schools were closed on Tuesday to allow authorities to carry out safety checks.

Italy’s INGV said it would continue to monitor the caldera and that “other seismic events cannot be ruled out,” including tremors “of a force similar to that which has already been recorded during the current swarm”.

The Campi Flegrei is situated between Pozzuoli and Naples, which sits in the shadow of the much better-known Mount Vesuvius further to the east.

The Campi Flegrei experienced an eruption 40,000 years ago that affected the planet’s climate, and it has been a source of concern to residents and scientists more recently thanks to a resurgence of activity due to gases emitted by the magma.

Residents are used to the tremors but many of the 500,000 inhabitants living in the danger zone were already spooked by a 4.2-magnitude quake last September.

“We have to live with fear all the time,” a Pozzuoli resident told the public channel Rainews. “How long will the buildings be able to hold out while experiencing all these shocks? That’s what we wonder.”

Specialists, however, say a full-blown eruption in the near future remains unlikely.

The INGV recalled on Tuesday that in the 1980s there were more than 1,300 seismic events a month and hydrothermal activity caused the ground to lift by nine centimetres (3.5 inches) a month.

By contrast, some 450 seismic events have been recorded in the last month and the lifting speed remained steady at two centimetres a month.

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