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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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4.6

Aegean Sea

30 October 2026, 13:45:02 (+03) 2026-10-30 10:45:02 UTC

4 sources: EMSC, USGS, GFZ, NOA MLh
Did you feel this earthquake?
Magnitude
4.6 MLh
Depth
14.5 km
Coordinates
39.6822, 24.2592
Data consistency
97/100

Regional activity (100 km)

Last 24 hours
2
Last 7 days
27
Last 30 days
224

Approximate energy released

≈ 120 t TNT

5.01e+11 J

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

Did you feel this earthquake?

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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

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

249 earthquakes

By magnitude

  • M0 0
  • M1 78
  • M2 134
  • M3 30
  • M4 6
  • M5 1
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 68
  • 10–20 km 155
  • 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

Sources report different values.
Agency Magnitude Depth Time (UTC) Difference from master Original record
EMSC-CSEM
AEGEAN SEA
 4.7 mb 11.0 km 10:45:03.910 Δt 1.41 sn · 3.37 km · ΔM +0.1 Original record
USGS Earthquake Hazards Program
42 km SE of Sykiá, Greece
 4.7 mb 10.0 km 10:45:03.842 Δt 1.34 sn · 6.01 km · ΔM +0.1 Original record
GFZ GEOFON
Aegean Sea
 4.9 Mw 10.0 km 10:45:05.110 Δt 2.61 sn · 3.08 km · ΔM +0.3 Original record
NOA – Institute of Geodynamics Displayed
Aegean Sea
 4.6 MLh 14.5 km 10:45:02.499 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 U.S. Geological Survey (USGS) Earthquake Hazards Program — Public domain (U.S. Government) GEOFON Program, GFZ Helmholtz Centre for Geosciences — CC BY 4.0 National Observatory of Athens, Institute of Geodynamics (NOA-IG) — NOA kullanım koşulları

Revision history

  1. 30.10.2026 15:07:19 · EMSC · update

    magnitude: 4.6 → 4.7 time: 2026-10-30T10:45:05.030+00:00 → 2026-10-30T10:45:03.910+00:00

  2. 30.10.2026 14:43:51 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  3. 30.10.2026 14:41:50 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  4. 30.10.2026 14:39:43 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  5. 30.10.2026 14:38:19 · SISTEM · recompute

    source count: 3 → 4 review status: automatic → reviewed confirming sources: emsc,gfz,noa → emsc,usgs,gfz,noa

  6. 30.10.2026 14:35:42 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  7. 30.10.2026 14:33:37 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  8. 30.10.2026 14:27:28 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  9. 30.10.2026 14:25:24 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  10. 30.10.2026 14:23:21 · NOA · update

    time: 2026-10-30T10:45:02.499+00:00 → 2026-10-30T10:45:02.498+00:00

  11. 30.10.2026 14:21:29 · NOA · update

    depth: 15.31 → 14.48 latitude: 39.68399 → 39.68216 longitude: 24.25095 → 24.25919 time: 2026-10-30T10:45:02.571+00:00 → 2026-10-30T10:45:02.498+00:00

  12. 30.10.2026 14:21:29 · SISTEM · recompute

    depth: 15.31 → 14.48 latitude: 39.68399 → 39.68216 longitude: 24.25095 → 24.25919 time: 2026-10-30T10:45:02.571Z → 2026-10-30 10:45:02.499+00:00

  13. 30.10.2026 14:01:00 · EMSC · update

    depth: 10 → 11 longitude: 24.26 → 24.22 magnitude: 4.7 → 4.6 time: 2026-10-30T10:45:05.060+00:00 → 2026-10-30T10:45:05.030+00:00

  14. 30.10.2026 13:57:53 · EMSC · update

    time: 2026-10-30T10:45:05.560+00:00 → 2026-10-30T10:45:05.060+00:00

  15. 30.10.2026 13:55:55 · NOA · update

    depth: 10 → 15.31 latitude: 39.68576 → 39.68399 longitude: 24.28414 → 24.25095 time: 2026-10-30T10:45:03.139+00:00 → 2026-10-30T10:45:02.571+00:00

  16. 30.10.2026 13:55:55 · SISTEM · recompute

    depth: 10 → 15.31 latitude: 39.68576 → 39.68399 longitude: 24.28414 → 24.25095 time: 2026-10-30T10:45:03.139Z → 2026-10-30 10:45:02.571+00:00

  17. 30.10.2026 13:53:52 · NOA · update

    time: 2026-10-30T10:45:03.139+00:00 → 2026-10-30T10:45:03.138+00:00

  18. 30.10.2026 13:53:42 · EMSC · update

    time: 2026-10-30T10:45:05.490+00:00 → 2026-10-30T10:45:05.560+00:00

  19. 30.10.2026 13:51:51 · NOA · update

    latitude: 39.68429 → 39.68576 longitude: 24.28727 → 24.28414 time: 2026-10-30T10:45:03.118+00:00 → 2026-10-30T10:45:03.138+00:00

  20. 30.10.2026 13:51:51 · SISTEM · recompute

    latitude: 39.68429 → 39.68576 longitude: 24.28727 → 24.28414 time: 2026-10-30T10:45:03.118Z → 2026-10-30 10:45:03.139+00:00

  21. 30.10.2026 13:51:37 · EMSC · update

    time: 2026-10-30T10:45:04.210+00:00 → 2026-10-30T10:45:05.490+00:00

  22. 30.10.2026 13:51:24 · GFZ · update

    latitude: 39.691 → 39.689 longitude: 24.271 → 24.294 time: 2026-10-30T10:45:04.490+00:00 → 2026-10-30T10:45:05.110+00:00

  23. 30.10.2026 13:50:33 · EMSC · update

    time: 2026-10-30T10:45:04.430+00:00 → 2026-10-30T10:45:04.210+00:00

  24. 30.10.2026 13:49:49 · NOA · update

    latitude: 39.68514 → 39.68429 longitude: 24.28291 → 24.28727 time: 2026-10-30T10:45:02.997+00:00 → 2026-10-30T10:45:03.117+00:00

  25. 30.10.2026 13:49:49 · SISTEM · recompute

    latitude: 39.68514 → 39.68429 longitude: 24.28291 → 24.28727 time: 2026-10-30T10:45:02.997Z → 2026-10-30 10:45:03.118+00:00

  26. 30.10.2026 13:49:25 · SISTEM · recompute

    source count: 2 → 3 confirming sources: emsc,noa → emsc,gfz,noa

  27. 30.10.2026 13:49:06 · EMSC · update

    latitude: 39.6851 → 39.68 longitude: 24.2829 → 24.26 magnitude: 4.9 → 4.7 time: 2026-10-30T10:45:03.780+00:00 → 2026-10-30T10:45:04.430+00:00

  28. 30.10.2026 13:48:05 · SISTEM · recompute

    source count: 1 → 2 confirming sources: noa → emsc,noa

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