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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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3.4

AEGEAN SEA

30 October 2026, 14:13:14 (+03) 2026-10-30 11:13:14 UTC

1 source: EMSC ml
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Magnitude
3.4 ml
Depth
17.5 km
Coordinates
39.6712, 24.1795
Data consistency
53/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
30
Last 30 days
224

Approximate energy released

≈ 1.9 t TNT

7.94e+9 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

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

251 earthquakes

By magnitude

  • M0 0
  • M1 80
  • M2 132
  • M3 31
  • M4 7
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 67
  • 10–20 km 157
  • 20–40 km 25
  • 40–70 km 1
  • 70–150 km 0
  • 150+ km 1

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 Displayed
AEGEAN SEA
 3.4 ml 17.5 km 11:13:14.850 Δt 0 sn · 0 km · ΔM 0 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

Revision history

  1. 30.10.2026 15:37:58 · EMSC · update

    time: 2026-10-30T11:13:14.830+00:00 → 2026-10-30T11:13:14.850+00:00

  2. 30.10.2026 15:37:58 · SISTEM · recompute

    time: 2026-10-30T11:13:14.830Z → 2026-10-30 11:13:14.850+00:00

  3. 30.10.2026 15:05:00 · EMSC · update

    magnitude: 2.9 → 3.4 time: 2026-10-30T11:13:14.682+00:00 → 2026-10-30T11:13:14.830+00:00

  4. 30.10.2026 15:05:00 · SISTEM · recompute

    magnitude: 2.9 → 3.4 time: 2026-10-30T11:13:14.682Z → 2026-10-30 11:13:14.830+00:00

  5. 30.10.2026 14:50:03 · EMSC · update

    depth: 0.8 → 17.5 latitude: 39.8224 → 39.6712 longitude: 24.3011 → 24.1795 magnitude: 2.4 → 2.9 time: 2026-10-30T11:13:14.990+00:00 → 2026-10-30T11:13:14.682+00:00

  6. 30.10.2026 14:50:03 · SISTEM · recompute

    depth: 0.8 → 17.5 latitude: 39.8224 → 39.6712 longitude: 24.3011 → 24.1795 magnitude: 2.4 → 2.9 time: 2026-10-30T11:13:14.990Z → 2026-10-30 11:13:14.682+00:00

  7. 30.10.2026 14:34:08 · EMSC · update

    depth: 6.2 → 0.8 latitude: 39.8536 → 39.8224 longitude: 24.3845 → 24.3011 time: 2026-10-30T11:13:15.840+00:00 → 2026-10-30T11:13:14.990+00:00

  8. 30.10.2026 14:34:08 · SISTEM · recompute

    depth: 6.2 → 0.8 latitude: 39.8536 → 39.8224 longitude: 24.3845 → 24.3011 time: 2026-10-30T11:13:15.840Z → 2026-10-30 11:13:14.990+00:00

  9. 30.10.2026 14:27:47 · EMSC · update

    depth: 12 → 6.2 latitude: 39.9465 → 39.8536 longitude: 24.5081 → 24.3845 time: 2026-10-30T11:13:18.140+00:00 → 2026-10-30T11:13:15.840+00:00

  10. 30.10.2026 14:27:47 · SISTEM · recompute

    depth: 12 → 6.2 latitude: 39.9465 → 39.8536 longitude: 24.5081 → 24.3845 time: 2026-10-30T11:13:18.140Z → 2026-10-30 11:13:15.840+00:00

  11. 30.10.2026 14:25:44 · EMSC · update

    latitude: 39.8881 → 39.9465 longitude: 24.4404 → 24.5081 magnitude: 3.5 → 2.4 time: 2026-10-30T11:13:18.490+00:00 → 2026-10-30T11:13:18.140+00:00 magnitude type: m → ml

  12. 30.10.2026 14:25:44 · SISTEM · recompute

    latitude: 39.8881 → 39.9465 longitude: 24.4404 → 24.5081 magnitude: 3.5 → 2.4 time: 2026-10-30T11:13:18.490Z → 2026-10-30 11:13:18.140+00:00 magnitude type: m → ml

  13. 30.10.2026 14:23:40 · EMSC · update

    depth: 10 → 12 latitude: 39.8885 → 39.8881 longitude: 24.209 → 24.4404 time: 2026-10-30T11:13:19.230+00:00 → 2026-10-30T11:13:18.490+00:00

  14. 30.10.2026 14:23:40 · SISTEM · recompute

    depth: 10 → 12 latitude: 39.8885 → 39.8881 longitude: 24.209 → 24.4404 time: 2026-10-30T11:13:19.230Z → 2026-10-30 11:13:18.490+00:00

  15. 30.10.2026 14:19:51 · EMSC · update

    latitude: 40.1447 → 39.8885 longitude: 24.0859 → 24.209 time: 2026-10-30T11:13:21.830+00:00 → 2026-10-30T11:13:19.230+00:00

  16. 30.10.2026 14:19:51 · SISTEM · recompute

    latitude: 40.1447 → 39.8885 longitude: 24.0859 → 24.209 time: 2026-10-30T11:13:21.830Z → 2026-10-30 11:13:19.230+00:00

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