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M4.1 Depth: 7.4 km

M4.1 Earthquake near Bacoli, Campania (Italy)

UTC time: 2026-05-21 03:50:51 UTC Local time: —

About this earthquake

A magnitude M4.1 earthquake was recorded near Bacoli, Campania (Italy) on May 21, 2026 at 03:50 UTC. The hypocenter lay relatively close to the surface at around 7 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks. Italy: over the past 24 hours, QuakeMap24 logged 51 earthquakes, the strongest at M3.1.

Details

Magnitude
M4.1
Depth
7.4 km
UTC time
2026-05-21 03:50:51 UTC
Local time
—
Country
Italy
State
Campania
City
Bacoli
County
Napoli
Village
Miliscola
Source
usgs
Coordinates
40.78500, 14.06770
Temperature
15.4°C

Map

Depth profile

Depth profile Depth: 7.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.4 km
Shallow
7.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Campi Flegrei
    Distance: 8 km ·Caldera ·Elevation: 458 m ·Last eruption: 1538 ·Italy
  • Ischia
    Distance: 16 km ·Complex ·Elevation: 789 m ·Last eruption: 1302 ·Italy
  • Vesuvius
    Distance: 30 km ·Stratovolcano ·Elevation: 1'281 m ·Last eruption: 1944 ·Italy
  • Colli Albani
    Distance: 156 km ·Caldera ·Elevation: 949 m ·Italy
  • Palinuro
    Distance: 159 km ·Compound ·Elevation: -70 m ·Last eruption: -8040 ·Italy
  • Marsili
    Distance: 169 km ·Complex ·Elevation: -779 m ·Last eruption: -1050 ·Italy

Sources: Smithsonian GVP & USGS

Historic earthquake map · Italy

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Country statistics · Italy

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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