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Italy

M1.0 Earthquake near 5 km NW Chiusdino (SI) (Italy)

UTC time: 2025-12-17 16:57:00 UTC Local time: —

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About this earthquake

On December 17, 2025 at 16:57 UTC, a magnitude M1.0 earthquake occurred near 5 km NW Chiusdino (SI) (Italy). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by INGV. Italy: over the past 24 hours, QuakeMap24 logged 40 earthquakes, the strongest at M2.5.

Details

ID
bb5df0cf71de6b66f874dcd68b926b36048e5b24
Magnitude
M1.0
Depth
4.5 km
UTC time
2025-12-17 16:57:00 UTC
Local time
—
Country
Italy
City
Toscana
Source
ingv
Coordinates
43.18080, 11.03280
Temperature
12.2°C

Depth profile

Depth profile Depth: 4.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4.5 km
Shallow
4.5 km
4.5 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

  • Colli Albani
    Distance: 211 km ·Caldera ·Elevation: 949 m ·Italy
  • Ischia
    Distance: 361 km ·Complex ·Elevation: 789 m ·Last eruption: 1302 ·Italy
  • Campi Flegrei
    Distance: 367 km ·Caldera ·Elevation: 458 m ·Last eruption: 1538 ·Italy
  • Vesuvius
    Distance: 384 km ·Stratovolcano ·Elevation: 1'281 m ·Last eruption: 1944 ·Italy

Toscana

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 45 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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