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Italy

M1.1 Earthquake near Aosta I (Italy)

UTC time: 2025-12-20 17:15:05 UTC Local time: —

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About this earthquake

On December 20, 2025 at 17:15 UTC, a magnitude M1.1 earthquake occurred near Aosta I (Italy). The hypocenter lay relatively close to the surface at around 3 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by ETHZ/SED. Italy: over the past 24 hours, QuakeMap24 logged 39 earthquakes, the strongest at M2.5.

Details

ID
93a5e2b0d406f8f525179bb0b840436f12e53185
Magnitude
M1.1
Depth
3.0 km
UTC time
2025-12-20 17:15:05 UTC
Local time
—
Country
Italy
City
Valle d'Aosta / Vallée d'Aoste
Source
ethz
Coordinates
45.81149, 7.37470
Temperature
-1.8°C

Depth profile

Depth profile Depth: 3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3 km
Shallow
3 km
3 km — shallower than 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

  • Chaine des Puys
    Distance: 341 km ·Lava dome(s) ·Elevation: 1'464 m ·Last eruption: -4040 ·France
  • West Eifel Volcanic Field
    Distance: 486 km ·Volcanic field ·Elevation: 600 m ·Last eruption: -8300 ·Germany

Italy

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 1,249 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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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