Naples, July 31. (LaPresse) – The magnitude 4.7 earthquake recorded at 7:46 PM today, Friday, July 31, in the Campi Flegrei area is the most intense seismic event detected in the area in the last 40 years, since the instrumental and continuous monitoring of seismicity by the INGV Vesuvian Observatory has been active. Previously, the strongest tremors recorded in the Phlegraean Fields had reached magnitude 4.6, with the events of March 13, 2025, and June 30, 2025.
Campi Flegrei: 4.7 tremor, the strongest in the area in 40 years

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Naples, July 31. (LaPresse) – The magnitude 4.7 earthquake recorded at 7:46 PM today, Friday, July 31, in the Campi Flegrei area is the most intense seismic event detected in the area in the last 40 years, since the instrumental and continuous monitoring of seismicity by the INGV Vesuvian Observatory has been active. Previously, the strongest tremors recorded in the Phlegraean Fields had reached magnitude 4.6, with the events of March 13, 2025, and June 30, 2025.
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