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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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1.8

Aegean Sea

31 October 2026, 04:23:40 (+03) 2026-10-31 01:23:40 UTC

1 source: NOA MLh
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Magnitude
1.8 MLh
Depth
15.0 km
Coordinates
39.7073, 24.2331
Data consistency
52/100

Regional activity (100 km)

Last 24 hours
3
Last 7 days
27
Last 30 days
224

Approximate energy released

≈ 0 t TNT

3.16e+7 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

249 earthquakes

By magnitude

  • M0 0
  • M1 77
  • M2 134
  • M3 31
  • M4 6
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 69
  • 10–20 km 154
  • 20–40 km 24
  • 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
NOA – Institute of Geodynamics Displayed
Aegean Sea
 1.8 MLh 15.0 km 01:23:40.365 Δt 0 sn · 0 km · ΔM 0

This value summarises agreement between sources; it is not a measure of scientific accuracy. National Observatory of Athens, Institute of Geodynamics (NOA-IG) — NOA kullanım koşulları

Revision history

  1. 31.10.2026 05:28:08 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  2. 31.10.2026 05:22:06 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  3. 31.10.2026 05:19:54 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  4. 31.10.2026 05:05:39 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  5. 31.10.2026 05:01:33 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  6. 31.10.2026 04:59:26 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  7. 31.10.2026 04:57:36 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  8. 31.10.2026 04:55:18 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  9. 31.10.2026 04:53:14 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  10. 31.10.2026 04:51:11 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  11. 31.10.2026 04:49:11 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  12. 31.10.2026 04:47:08 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  13. 31.10.2026 04:44:57 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  14. 31.10.2026 04:42:57 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  15. 31.10.2026 04:40:54 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  16. 31.10.2026 04:36:48 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  17. 31.10.2026 04:34:53 · NOA · update

    time: 2026-10-31T01:23:40.365+00:00 → 2026-10-31T01:23:40.364+00:00

  18. 31.10.2026 04:30:44 · NOA · update

    depth: 10 → 15.04 latitude: 39.70334 → 39.70734 longitude: 24.14425 → 24.23309 time: 2026-10-31T01:23:42.097+00:00 → 2026-10-31T01:23:40.364+00:00

  19. 31.10.2026 04:30:44 · SISTEM · recompute

    depth: 10 → 15.04 latitude: 39.70334 → 39.70734 longitude: 24.14425 → 24.23309 time: 2026-10-31T01:23:42.097Z → 2026-10-31 01:23:40.365+00:00

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