The map depicts a distribution of current seismic events (image: INGV)
A seismic swarm is occurring beneath the Campi Flegrei caldera right now.
At about 22:08 local time yesterday, another seismic crisis commenced, followed by a number of small events with a maximum magnitude of M 0.3 so far, the INGV reported. Magnitudes of earthquakes may culminate in even stronger events, as previous maximum magnitudes were reported with M 4.2, M 3.8 and M 3.6.
Source: Istituto Nazionale di Geofisica e Vulcanologia volcano activity update 3 October 2023