Greece earthquakes

M3.1 earthquake 22 km WSW of Sými, Greece

A magnitude 3.1 earthquake struck 22 km WSW of Sými, Greece on Sun, Dec 21, 2003, 7:24 PM GMT+2 (17:24 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M5.1 65 km NNW of Karpathos, Greece. This one was a foreshock.

Kos forecastMore in Greece

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.1 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2003-12-21 17:24:18 UTC
Depth
26.0 km (16.2 mi), shallow
Epicenter
36.530° N, 27.610° E
Region
Greece
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for usp000cfrd. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Station coverage gap
154°
Stations used
5

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.425 km SSW of Datça, Turkey · 8309 days ago · 98 km deep · 6 km away
  2. 4.221 km SSW of Émponas, Greece · 8307 days ago · 70 km deep · 57 km away
  3. 4.018 km W of Émponas, Greece · 8304 days ago · 94 km deep · 37 km away
  4. 4.053 km WSW of Émponas, Greece · 8291 days ago · 23 km deep · 64 km away
  5. 3.253 km WSW of Émponas, Greece · 8291 days ago · 31 km deep · 66 km away
  6. 3.337 km W of Émponas, Greece · 8285 days ago · 14 km deep · 39 km away
  7. 3.426 km SW of Kéfalos, Greece · 8278 days ago · 45 km deep · 73 km away
  8. 3.310 km WSW of Kremastí, Greece · 8276 days ago · 5 km deep · 41 km away
  9. 5.165 km NNW of Karpathos, Greece · 8271 days ago · 25 km deep · 83 km away
  10. 3.828 km S of Mandráki, Greece · 8271 days ago · 51 km deep · 43 km away
  11. 3.266 km NNW of Karpathos, Greece · 8271 days ago · 7 km deep · 92 km away
  12. 3.327 km SW of Kéfalos, Greece · 8269 days ago · 144 km deep · 79 km away
  13. 3.2Dodecanese Islands, Greece · 8260 days ago · 20 km deep · 19 km away
  14. 3.118 km SSE of Ula, Turkey · 8260 days ago · 10 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000cfrd. Read Thu, Oct 1, 2026, 6:27 AM UTC.