Greece earthquakes

M3.5 earthquake Ionian Sea

A magnitude 3.5 earthquake struck in the Ionian Sea on Wed, Jan 21, 2004, 7:44 PM GMT+2 (17:44 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.4 57 km WNW of Lixoúri, Greece. This one was a foreshock.

Préveza 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
3.5 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2004-01-21 17:44:41 UTC
Depth
16.0 km (9.9 mi), shallow
Epicenter
38.626° N, 19.814° 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 usp000cjdj. 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
301°, poorly surrounded by stations
Stations used
7

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 10 in the 30 days before it.

After

  1. 3.414 km W of Lefkáda, Greece · 8284 days ago · 5 km deep · 67 km away
  2. 3.28 km ESE of Párga, Greece · 8283 days ago · 5 km deep · 93 km away
  3. 3.417 km SSW of Lefkáda, Greece · 8278 days ago · 5 km deep · 72 km away
  4. 4.112 km SW of Lixoúri, Greece · 8268 days ago · 24 km deep · 73 km away
  5. 3.410 km WSW of Lixoúri, Greece · 8263 days ago · 28 km deep · 66 km away
  6. 3.614 km WNW of Lefkáda, Greece · 8263 days ago · 5 km deep · 71 km away
  7. 3.74 km NE of Valsamáta, Greece · 8255 days ago · 14 km deep · 85 km away
  8. 3.212 km N of Itháki, Greece · 8247 days ago · 3 km deep · 81 km away
  9. 3.437 km WSW of Lixoúri, Greece · 8243 days ago · 14 km deep · 68 km away
  10. 4.457 km WNW of Lixoúri, Greece · 8243 days ago · 43 km deep · 18 km away
  11. 3.817 km W of Lefkáda, Greece · 8242 days ago · 10 km deep · 63 km away
  12. 3.718 km W of Lixoúri, Greece · 8239 days ago · 4 km deep · 59 km away
  13. 3.310 km SW of Póros, Greece · 8237 days ago · 10 km deep · 98 km away
  14. 3.327 km WSW of Lefkáda, Greece · 8237 days ago · 5 km deep · 55 km away
  15. 3.336 km WSW of Lefkáda, Greece · 8236 days ago · 23 km deep · 44 km away

Before

  1. 3.639 km SW of Gáïos, Greece · 8293 days ago · 7 km deep · 40 km away
  2. 3.15 km WNW of Préveza, Greece · 8295 days ago · 33 km deep · 86 km away
  3. 3.717 km NW of Itháki, Greece · 8300 days ago · 5 km deep · 69 km away
  4. 4.014 km WNW of Lixoúri, Greece · 8300 days ago · 5 km deep · 59 km away
  5. 3.27 km NNE of Lixoúri, Greece · 8309 days ago · 5 km deep · 71 km away
  6. 3.320 km NNW of Itháki, Greece · 8313 days ago · 5 km deep · 72 km away
  7. 3.515 km W of Préveza, Greece · 8316 days ago · 10 km deep · 75 km away
  8. 3.519 km NW of Itháki, Greece · 8318 days ago · 4 km deep · 67 km away
  9. 3.612 km WNW of Sámi, Greece · 8318 days ago · 16 km deep · 71 km away
  10. 3.714 km NNW of Itháki, Greece · 8319 days ago · 5 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000cjdj. Read Mon, Oct 5, 2026, 5:14 AM UTC.