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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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3.1

Dodecanese Islands, Greece

18 October 2026, 02:17:08 (+03) 2026-10-17 23:17:08 UTC

2 sources: EMSC, NOA MLh
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Magnitude
3.1 MLh
Depth
151.5 km
Coordinates
36.7319, 26.3608
Data consistency
84/100

Regional activity (100 km)

Last 24 hours
0
Last 7 days
18
Last 30 days
143

Approximate energy released

≈ 0.7 t TNT

2.82e+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

  • Aydın Province centre 180 km
  • Muğla Province centre 186 km
  • İzmir Province centre 200 km
  • Manisa Province centre 229 km

Nearby faults (50 km)

No mapped fault within 50 km.

Last year, within 100 km

173 earthquakes

By magnitude

  • M0 2
  • M1 97
  • M2 67
  • M3 7
  • M4 0
  • M5 0
  • M6 0
  • M7 0
  • M8+ 0

By depth

  • 0–10 km 89
  • 10–20 km 60
  • 20–40 km 13
  • 40–70 km 1
  • 70–150 km 8
  • 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
DODECANESE ISLANDS, GREECE
 3.0 ml 151.5 km 23:17:08.850 Δt 0.05 sn · 0 km · ΔM -0.1 Original record
NOA – Institute of Geodynamics Displayed
Dodecanese Islands, Greece
 3.1 MLh 151.5 km 23:17:08.901 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. 19.10.2026 12:34:34 · EMSC · update

    magnitude: 3.1 → 3 time: 2026-10-17T23:17:08.780+00:00 → 2026-10-17T23:17:08.850+00:00

  2. 18.10.2026 02:44:50 · EMSC · update

    time: 2026-10-17T23:17:08.901+00:00 → 2026-10-17T23:17:08.780+00:00

  3. 18.10.2026 02:29:10 · SISTEM · recompute

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

  4. 18.10.2026 02:27:14 · NOA · update

    depth: 105.28 → 151.49 latitude: 36.7206 → 36.73187 longitude: 26.39733 → 26.36078 magnitude: 2.9 → 3.1 time: 2026-10-17T23:17:12.139+00:00 → 2026-10-17T23:17:08.901+00:00

  5. 18.10.2026 02:27:14 · SISTEM · recompute

    depth: 105.28 → 151.49 latitude: 36.7206 → 36.73187 longitude: 26.39733 → 26.36078 magnitude: 2.9 → 3.1 time: 2026-10-17T23:17:12.139Z → 2026-10-17 23:17:08.901+00:00

  6. 18.10.2026 02:25:13 · NOA · update

    time: 2026-10-17T23:17:12.139+00:00 → 2026-10-17T23:17:12.138+00:00

  7. 18.10.2026 02:23:06 · NOA · update

    time: 2026-10-17T23:17:12.139+00:00 → 2026-10-17T23:17:12.138+00:00

  8. 18.10.2026 02:21:02 · NOA · update

    depth: 106.16 → 105.28 latitude: 36.72303 → 36.7206 longitude: 26.39792 → 26.39733 magnitude: 2.7 → 2.9 time: 2026-10-17T23:17:12.079+00:00 → 2026-10-17T23:17:12.138+00:00

  9. 18.10.2026 02:21:02 · SISTEM · recompute

    depth: 106.16 → 105.28 latitude: 36.72303 → 36.7206 longitude: 26.39792 → 26.39733 magnitude: 2.7 → 2.9 time: 2026-10-17T23:17:12.079Z → 2026-10-17 23:17:12.139+00:00

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