Greece earthquakes

M3.1 earthquake 32 km SSE of Gýtheio, Greece

A magnitude 3.1 earthquake struck 32 km SSE of Gýtheio, Greece on Tue, Dec 21, 2004, 8:45 PM GMT+2 (18:45 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M4.5 26 km S of Kýthira, Greece. This one was a foreshock.

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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
2004-12-21 18:45:15 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
36.470° N, 22.650° 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 usp000db5q. 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
191°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.837 km SSE of Gýtheio, Greece · 7955 days ago · 7 km deep · 5 km away
  2. 3.238 km SSW of Asopós, Greece · 7955 days ago · 15 km deep · 7 km away
  3. 2.929 km SSW of Asopós, Greece · 7955 days ago · 7 km deep · 7 km away
  4. 3.24 km E of Arfará, Greece · 7949 days ago · 4 km deep · 91 km away
  5. 3.464 km W of Kýthira, Greece · 7934 days ago · 5 km deep · 46 km away
  6. 3.625 km N of Kýthira, Greece · 7925 days ago · 14 km deep · 36 km away
  7. 4.526 km S of Kýthira, Greece · 7925 days ago · 31 km deep · 68 km away
  8. 2.820 km SSW of Spétses, Greece · 7918 days ago · 4 km deep · 78 km away
  9. 2.916 km S of Géfyra, Greece · 7913 days ago · 19 km deep · 32 km away
  10. 3.29 km W of Karyés, Greece · 7909 days ago · 3 km deep · 94 km away
  11. 2.816 km NNW of Magoúla, Greece · 7906 days ago · 29 km deep · 87 km away
  12. 3.018 km ESE of Leonídio, Greece · 7906 days ago · 21 km deep · 76 km away
  13. 2.822 km SE of Leonídio, Greece · 7906 days ago · 21 km deep · 73 km away
  14. 3.342 km NW of Kíssamos, Greece · 7906 days ago · 18 km deep · 99 km away
  15. 3.239 km NW of Kýthira, Greece · 7905 days ago · 8 km deep · 8 km away

Before

  1. 3.050 km SSE of Koróni, Greece · 7964 days ago · 52 km deep · 53 km away
  2. 3.689 km S of Koróni, Greece · 7964 days ago · 3 km deep · 89 km away
  3. 3.227 km SSW of Géfyra, Greece · 7967 days ago · 5 km deep · 27 km away
  4. 3.529 km NNW of Kýthira, Greece · 7971 days ago · 16 km deep · 23 km away
  5. 3.641 km SW of Kýthira, Greece · 7974 days ago · 43 km deep · 70 km away
  6. 2.88 km NNE of Moláoi, Greece · 7984 days ago · 20 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000db5q. Read Fri, Oct 2, 2026, 7:12 PM UTC.