M 5.1 in Italy on 18 Sep 2023 03:10 UTC

Event summary

This earthquake can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 1392017
Earthquake Magnitude: 5.1M
Depth: 10 Km
Lat/Lon: 44.0366 , 11.6645
Event Date: 18 Sep 2023 03:10 UTC
18 Sep 2023 05:10 Local
Exposed Population:
10 thousand in MMI&>=V
Inserted at: 18 Sep 2023 03:28 UTC
INFORM Coping capacity:
2.4 (Italy)


For more info on GDACS alert score click here.
(Rapid Impact)
GDACS score
NEIC 0 0
us7000kwdw Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Italy - Earthquake (ECHO 19 Sep 2023)Tue, 19 Sep 2023 10:59

  • An earthquake of 5.1 M (4.9 as registered by the National Institute of Geophysics and Volcanology, INGV) at a depth of 8 km occurred in Tuscany Region (central Italy) on 18 September at 3.10 UTC (5.10 local time). The epicentre was located 3 km south-west of Marradi village (Metropolitan City of Florence).
  • A foreshock of 3.4 M and several aftershocks up to 3.0 M have been recorded by the INGV in the area.
  • Media and local authority report, as of 18 September, 30 evacuated people in Marradi village, light damage to some buildings and school closures in the localities close to the epicentre. According to the Civil Protection of the Metropolitan City of Florence, schools  will be closed on 19 September in the villages of Palazzuolo sul Senio and Marradi.
  • Numerous stability checks are currently being carried out by firefighters.
Detailed event map. European Union, 2023. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (41), (3), NEIC (4), OCHA (1), INGV (2), WMO (1), INFORM (2), USGS (2),