Overview

• The strongest shock, magnitude 4.0, occurred at 04:55 local time about 5 km southeast of Pozzuoli at less than 1 km depth, was widely felt, and caused no reported damage.
• Rail service on the Cumana and Circumflegrea lines was halted for checks and resumed regularly at 10:15 following the morning tremors.
• Osservatorio Vesuviano director Lucia Pappalardo said the sequence has produced more than 100 quakes since Sunday, with uplift near Rione Terra at roughly 15 mm per month and no evidence of magma ascent.
• Two magnitude 3.3 earthquakes on Sunday, 26 minutes apart at about 1 km and 2 km depth, were felt across Pozzuoli and western Naples neighborhoods.
• The Comune di Pozzuoli reported the observatory’s notice of a swarm starting at 16:09 on August 31, as municipal Civil Protection and the Naples prefect coordinated monitoring and confirmed no injuries or damage.