Back to map
Italy · Tuscany

M1.8 Earthquake near Monteroni d'Arbia, Tuscany (Italy)

UTC time: 2026-09-12 04:28:49 UTC Local time: —

Map

About this earthquake

On September 12, 2026 at 04:28 UTC, a magnitude M1.8 earthquake occurred near Monteroni d'Arbia, Tuscany (Italy). The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by INGV. Italy: 58 earthquakes were recorded in the past 24 hours, the strongest reaching M2.6.

Details

ID
37e72553b5be286672cb00a335a016aaeb9fa683
Magnitude
M1.8
Depth
9.4 km
UTC time
2026-09-12 04:28:49 UTC
Local time
—
Country
Italy
State
Tuscany
City
Monteroni d'Arbia
County
Siena
Village
Ponte a Tressa
Source
ingv
Coordinates
43.23750, 11.40570
Temperature
14.5°C

Depth profile

Depth profile Depth: 9.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.4 km
Shallow
9.4 km
9.4 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: 197 km ·Caldera ·Elevation: 949 m ·Italy
  • Ischia
    Distance: 347 km ·Complex ·Elevation: 789 m ·Last eruption: 1302 ·Italy
  • Campi Flegrei
    Distance: 350 km ·Caldera ·Elevation: 458 m ·Last eruption: 1538 ·Italy
  • Vesuvius
    Distance: 367 km ·Stratovolcano ·Elevation: 1'281 m ·Last eruption: 1944 ·Italy

Italy

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 1,251 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.

Share