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M3.9 Earthquake near Castelgrande (Italy)

UTC time: 2025-10-25 19:49:28 UTC Local time: —

Map

M3.9 Earthquake near Castelgrande (Italy) · 2025-10-25 — Map showing the location of the epicenter
M3.9 Earthquake near Castelgrande (Italy) · 2025-10-25 — Map showing the location of the epicenter

About this earthquake

On October 25, 2025 at 19:49 UTC, a magnitude M3.9 earthquake occurred near Castelgrande (Italy). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by NOA and cross-checked across seismological networks. Italy: 63 earthquakes were recorded in the past 24 hours, the strongest reaching M2.5.

Details

ID
977624ae9c1704daba25876e2f99523c7de27aa5
Magnitude
M3.9
Depth
10.0 km
UTC time
2025-10-25 19:49:28 UTC
Local time
—
Country
Italy
City
Castelgrande
Source
noa
Coordinates
40.81173, 15.46954
Temperature
15.2°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — close to the regional average (12.6 km)
Regional average: 12.6 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

  • Vesuvius
    Distance: 88 km ·Stratovolcano ·Elevation: 1'281 m ·Last eruption: 1944 ·Italy
  • Campi Flegrei
    Distance: 112 km ·Caldera ·Elevation: 458 m ·Last eruption: 1538 ·Italy
  • Ischia
    Distance: 133 km ·Complex ·Elevation: 789 m ·Last eruption: 1302 ·Italy
  • Palinuro
    Distance: 158 km ·Compound ·Elevation: -70 m ·Last eruption: -8040 ·Italy
  • Marsili
    Distance: 193 km ·Complex ·Elevation: -779 m ·Last eruption: -1050 ·Italy
  • Stromboli Activity reported
    Distance: 226 km ·Stratovolcano ·Elevation: 924 m ·Last eruption: 2026 ·Italy

Italy

Context for this earthquake

14 Sep 2025 – 13 Sep 2026 · M ≥ 3.0 · 145 Catalogue entries

Of 144 other entries for this area and period, 36 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Italy

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Italy

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

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