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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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3.8

Greece

25 October 2026, 15:29:05 (+03) 2026-10-25 12:29:05 UTC

2 sources: EMSC, NOA MLh
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Magnitude
3.8 MLh
Depth
17.8 km
Coordinates
38.2791, 20.6863
Data consistency
84/100

Regional activity (100 km)

Last 24 hours
8
Last 7 days
89
Last 30 days
491

Approximate energy released

≈ 7.6 t TNT

3.16e+10 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.

Nearby places

No records.

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

513 earthquakes

By magnitude

  • M0 60
  • M1 345
  • M2 90
  • M3 13
  • M4 5
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 88
  • 10–20 km 278
  • 20–40 km 138
  • 40–70 km 5
  • 70–150 km 2
  • 150+ km 2

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
GREECE
 3.8 ml 10.0 km 12:29:05.420 Δt 0.41 sn · 1.86 km · ΔM 0 Original record
NOA – Institute of Geodynamics Displayed
Greece
 3.8 MLh 17.8 km 12:29:05.012 Δt 0 sn · 0 km · ΔM 0

This value summarises agreement between sources; it is not a measure of scientific accuracy. Euro-Mediterranean Seismological Centre (EMSC-CSEM) — CC BY 4.0 National Observatory of Athens, Institute of Geodynamics (NOA-IG) — NOA kullanım koşulları

Revision history

  1. 25.10.2026 22:39:04 · EMSC · update

    depth: 0 → 10 latitude: 38.29 → 38.2882 longitude: 20.69 → 20.7042 time: 2026-10-25T12:29:05.800+00:00 → 2026-10-25T12:29:05.420+00:00

  2. 25.10.2026 20:52:29 · EMSC · update

    depth: 17.8 → 0 latitude: 38.2791 → 38.29 longitude: 20.6863 → 20.69 magnitude: 3.7 → 3.8 time: 2026-10-25T12:29:05.012+00:00 → 2026-10-25T12:29:05.800+00:00

  3. 25.10.2026 15:45:27 · EMSC · update

    depth: 5 → 17.8 latitude: 38.29 → 38.2791 longitude: 20.68 → 20.6863 time: 2026-10-25T12:29:06.000+00:00 → 2026-10-25T12:29:05.012+00:00

  4. 25.10.2026 15:44:12 · NOA · update

    depth: 5 → 17.83 latitude: 38.28177 → 38.27911 longitude: 20.67548 → 20.68634 magnitude: 3.7 → 3.8 time: 2026-10-25T12:29:05.975+00:00 → 2026-10-25T12:29:05.012+00:00

  5. 25.10.2026 15:44:12 · SISTEM · recompute

    depth: 5 → 17.83 latitude: 38.28177 → 38.27911 longitude: 20.67548 → 20.68634 magnitude: 3.7 → 3.8 time: 2026-10-25T12:29:05.975Z → 2026-10-25 12:29:05.012+00:00

  6. 25.10.2026 15:35:54 · NOA · update

    time: 2026-10-25T12:29:05.975+00:00 → 2026-10-25T12:29:05.974+00:00

  7. 25.10.2026 15:33:50 · NOA · update

    latitude: 38.28625 → 38.28177 longitude: 20.67544 → 20.67548 time: 2026-10-25T12:29:05.953+00:00 → 2026-10-25T12:29:05.974+00:00

  8. 25.10.2026 15:33:50 · SISTEM · recompute

    latitude: 38.28625 → 38.28177 longitude: 20.67544 → 20.67548 time: 2026-10-25T12:29:05.953Z → 2026-10-25 12:29:05.975+00:00

  9. 25.10.2026 15:32:39 · EMSC · update

    latitude: 38.2884 → 38.29 longitude: 20.6812 → 20.68 time: 2026-10-25T12:29:05.875+00:00 → 2026-10-25T12:29:06.000+00:00

  10. 25.10.2026 15:31:46 · SISTEM · recompute

    latitude: 38.2884 → 38.28625 longitude: 20.6812 → 20.67544 time: 2026-10-25T12:29:05.875Z → 2026-10-25 12:29:05.953+00:00 source count: 1 → 2 magnitude type: ml → MLh confirming sources: emsc → emsc,noa preferred source: 3 → 6

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