Greece earthquakes

M3.4 earthquake 1 km SSE of Portariá, Greece

A magnitude 3.4 earthquake struck 1 km SSE of Portariá, Greece on Fri, Sep 21, 2007, 5:23 AM GMT+3 (02:23 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 0 km SE of Néa Apollonía, 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
3.4 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2007-09-21 02:23:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
40.270° N, 23.300° 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 usp000fntk. 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
122°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 3.338 km SSE of Pefkochóri, Greece · 6941 days ago · 39 km deep · 79 km away
  2. 3.22 km SW of Ouranoupolis, Greece · 6935 days ago · 28 km deep · 56 km away
  3. 3.28 km ESE of Néa Apollonía, Greece · 6927 days ago · 17 km deep · 42 km away
  4. 3.336 km ENE of Zagorá, Greece · 6926 days ago · 10 km deep · 83 km away
  5. 3.011 km N of Arnaía, Greece · 6925 days ago · 16 km deep · 44 km away
  6. 3.07 km WNW of Stratónion, Greece · 6925 days ago · 17 km deep · 48 km away
  7. 3.010 km N of Arnaía, Greece · 6924 days ago · 17 km deep · 43 km away
  8. 3.46 km SW of Nikísiani, Greece · 6919 days ago · 21 km deep · 97 km away
  9. 3.27 km SE of Próti, Greece · 6919 days ago · 29 km deep · 94 km away
  10. 3.50 km ENE of Néa Apollonía, Greece · 6910 days ago · 24 km deep · 42 km away
  11. 3.60 km SE of Néa Apollonía, Greece · 6909 days ago · 21 km deep · 41 km away
  12. 3.45 km N of Néa Mesimvría, Greece · 6904 days ago · 29 km deep · 74 km away

Before

  1. 3.33 km SE of Néa Apollonía, Greece · 6954 days ago · 11 km deep · 39 km away
  2. 3.244 km S of Sykiá, Greece · 6955 days ago · 36 km deep · 94 km away
  3. 3.746 km S of Sykiá, Greece · 6955 days ago · 3 km deep · 92 km away
  4. 3.345 km S of Sykiá, Greece · 6959 days ago · 35 km deep · 92 km away
  5. 2.94 km NW of Stratónion, Greece · 6963 days ago · 46 km deep · 51 km away
  6. 2.913 km NNE of Stratónion, Greece · 6963 days ago · 34 km deep · 64 km away
  7. 3.243 km S of Sykiá, Greece · 6964 days ago · 28 km deep · 90 km away
  8. 3.513 km E of Leptokaryá, Greece · 6965 days ago · 6 km deep · 54 km away
  9. 4.244 km S of Sykiá, Greece · 6968 days ago · 12 km deep · 91 km away
  10. 4.030 km SSE of Karyes, Greece · 6975 days ago · 6 km deep · 95 km away
  11. 3.27 km W of Arnaía, Greece · 6975 days ago · 18 km deep · 30 km away
  12. 3.10 km E of Pentálofos, Greece · 6982 days ago · 9 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000fntk. Read Sat, Oct 3, 2026, 10:52 AM UTC.