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Italy · Tuscany

M1.3 Earthquake near Monteroni d'Arbia, Tuscany (Italy)

UTC time: 2026-09-21 11:25:36 UTC Local time: —

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About this earthquake

On September 21, 2026 at 11:25 UTC, a magnitude M1.3 earthquake occurred near Monteroni d'Arbia, Tuscany (Italy). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by INGV and cross-checked across seismological networks. Italy: 50 earthquakes were recorded in the past 24 hours, the strongest reaching M2.7.

Details

ID
62b0e5a8c659c2fa95d79955504eadb345db06bc
Magnitude
M1.3
Depth
10.4 km
UTC time
2026-09-21 11:25:36 UTC
Local time
—
Country
Italy
State
Tuscany
City
Monteroni d'Arbia
County
Siena
Village
Ville di Corsano
Source
ingv
Coordinates
43.23770, 11.31350
Temperature
26.9°C

Depth profile

Depth profile Depth: 10.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.4 km
Shallow
10.4 km
10.4 km — close to the regional average (12.7 km)
Regional average: 12.7 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: 201 km ·Caldera ·Elevation: 949 m ·Italy
  • Ischia
    Distance: 351 km ·Complex ·Elevation: 789 m ·Last eruption: 1302 ·Italy
  • Campi Flegrei
    Distance: 355 km ·Caldera ·Elevation: 458 m ·Last eruption: 1538 ·Italy
  • Vesuvius
    Distance: 372 km ·Stratovolcano ·Elevation: 1'281 m ·Last eruption: 1944 ·Italy

Italy

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 1,272 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

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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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