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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

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4.9

53 km WNW of Leni, Italy

23 October 2026, 12:51:39 (+03) 2026-10-23 09:51:39 UTC

3 sources: EMSC, USGS, GFZ mb
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Magnitude
4.9 mb
Depth
10.0 km
Coordinates
38.7219, 14.2527
Data consistency
98/100

Regional activity (100 km)

Last 24 hours
18
Last 7 days
39
Last 30 days
287

Approximate energy released

≈ 338 t TNT

1.41e+12 J

Approximated with the Gutenberg–Richter relation (log E = 1.5 M + 4.8); depends on magnitude type. Gutenberg & Richter (1956).

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Community reports

Based on voluntary reports from users; not an instrumental measurement or official intensity. For official information follow AFAD and Kandilli Observatory announcements.

Impact information reported by sources

  • USGS Earthquake Hazards Program Tsunami flag: No

These values are automatic products of the respective agency, not an assessment by this platform. For tsunami warnings follow the Kandilli Observatory Regional Earthquake-Tsunami Monitoring Center and AFAD.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

288 earthquakes

By magnitude

  • M0 0
  • M1 0
  • M2 245
  • M3 35
  • M4 6
  • M5 2
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 58
  • 10–20 km 196
  • 20–40 km 25
  • 40–70 km 1
  • 70–150 km 5
  • 150+ km 3

Largest previous earthquakes within 100 km

Largest earthquakes in the platform catalogue and entries from historical catalogues (with citation).

Comparison with past records

…

No earlier earthquakes are recorded in this area.

  • Source:

Where does this earthquake come from?

Source comparison

Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
SICILY, ITALY
 4.9 mb 25.0 km 09:51:41.450 Δt 1.82 sn · 6.06 km · ΔM 0 Original record
USGS Earthquake Hazards Program Displayed
53 km WNW of Leni, Italy
 4.9 mb 10.0 km 09:51:39.628 Δt 0 sn · 0 km · ΔM 0 Original record
GFZ GEOFON
Sicily, Italy
 5.0 Mw 27.2 km 09:51:42.740 Δt 3.11 sn · 3.18 km · ΔM +0.1 Original record

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0

Revision history

  1. 23.10.2026 17:44:41 · EMSC · update

    depth: 10 → 25 latitude: 38.6867 → 38.7502 longitude: 14.0932 → 14.1931 magnitude: 4.6 → 4.9 time: 2026-10-23T09:51:40.620+00:00 → 2026-10-23T09:51:41.450+00:00

  2. 23.10.2026 13:50:33 · GFZ · update

    depth: 10 → 27.2 latitude: 38.702 → 38.713 longitude: 14.097 → 14.218 time: 2026-10-23T09:51:41.280+00:00 → 2026-10-23T09:51:42.740+00:00

  3. 23.10.2026 13:46:21 · GFZ · update

    magnitude: 4.9 → 5

  4. 23.10.2026 13:12:15 · SISTEM · recompute

    latitude: 38.6867 → 38.7219 longitude: 14.0932 → 14.2527 magnitude: 4.6 → 4.9 time: 2026-10-23T09:51:40.620Z → 2026-10-23 09:51:39.628+00:00 source count: 2 → 3 review status: automatic → reviewed confirming sources: emsc,gfz → emsc,usgs,gfz preferred source: 3 → 4

  5. 23.10.2026 13:07:09 · GFZ · update

    magnitude: 5 → 4.9

  6. 23.10.2026 13:02:57 · GFZ · update

    magnitude: 4.6 → 5 magnitude type: mb → Mw

  7. 23.10.2026 13:00:40 · SISTEM · recompute

    latitude: 38.702 → 38.6867 longitude: 14.097 → 14.0932 time: 2026-10-23T09:51:41.280Z → 2026-10-23 09:51:40.620+00:00 source count: 1 → 2 confirming sources: gfz → emsc,gfz preferred source: 5 → 3

  8. 23.10.2026 12:58:51 · GFZ · update

    latitude: 38.687 → 38.702 longitude: 14.105 → 14.097 magnitude: 4.7 → 4.6 time: 2026-10-23T09:51:40.930+00:00 → 2026-10-23T09:51:41.280+00:00

  9. 23.10.2026 12:58:51 · SISTEM · recompute

    latitude: 38.687 → 38.702 longitude: 14.105 → 14.097 magnitude: 4.7 → 4.6 time: 2026-10-23T09:51:40.930Z → 2026-10-23 09:51:41.280+00:00

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