Greece earthquakes

M4.0 earthquake 15 km SE of Sykiá, Greece

A magnitude 4.0 earthquake struck 15 km SE of Sykiá, Greece on Wed, Jan 23, 1991, 12:35 PM GMT+2 (10:35 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.2 45 km SSE of Pefkochóri, Greece. This one was a foreshock.

Chortiátis 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1991-01-23 10:35:00 UTC
Depth
10.2 km (6.3 mi), shallow
Epicenter
39.935° N, 24.054° E
Region
Greece
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

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

Felt on the Khalkidhiki Peninsula, Greece.

From the USGS event page for usp0004m2a. 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 4.245 km SSE of Pefkochóri, Greece · 13032 days ago · 16 km deep · 42 km away
  2. 3.3Aegean Sea · 13032 days ago · 10 km deep · 47 km away
  3. 3.845 km NNW of Patitírion, Greece · 13032 days ago · 16 km deep · 50 km away
  4. 3.238 km NE of Zagorá, Greece · 13032 days ago · 10 km deep · 60 km away
  5. 3.3Aegean Sea · 13032 days ago · 10 km deep · 54 km away
  6. 4.145 km SSE of Pefkochóri, Greece · 13032 days ago · 11 km deep · 45 km away
  7. 2.918 km SSE of Sykiá, Greece · 13024 days ago · 10 km deep · 9 km away
  8. 2.847 km W of Mýrina, Greece · 13023 days ago · 10 km deep · 42 km away
  9. 3.343 km S of Pefkochóri, Greece · 13018 days ago · 10 km deep · 51 km away
  10. 2.07 km ENE of Megáli Panagía, Greece · 13012 days ago · 5 km deep · 65 km away
  11. 2.210 km NE of Karyes, Greece · 13010 days ago · 10 km deep · 50 km away
  12. 2.313 km ENE of Stratónion, Greece · 13010 days ago · 5 km deep · 71 km away
  13. 2.66 km NNE of Skiáthos, Greece · 13009 days ago · 10 km deep · 92 km away
  14. 1.66 km SSE of Galátista, Greece · 13008 days ago · 5 km deep · 82 km away
  15. 3.914 km NNE of Skiáthos, Greece · 13005 days ago · 10 km deep · 84 km away
  16. 3.147 km SSE of Sykiá, Greece · 13003 days ago · 10 km deep · 34 km away
  17. 2.614 km SW of Sykiá, Greece · 13001 days ago · 10 km deep · 20 km away
  18. 3.35 km SSE of Galátista, Greece · 13000 days ago · 10 km deep · 83 km away
  19. 1.73 km NNE of Lákkoma, Greece · 13000 days ago · 10 km deep · 99 km away
  20. 1.69 km SW of Néa Vrasná, Greece · 13000 days ago · 10 km deep · 86 km away
  21. 2.5Greece · 12999 days ago · 10 km deep · 74 km away
  22. 3.737 km N of Mýrina, Greece · 12999 days ago · 10 km deep · 98 km away
  23. 2.911 km S of Sykiá, Greece · 12996 days ago · 10 km deep · 8 km away
  24. 2.826 km S of Sykiá, Greece · 12996 days ago · 10 km deep · 16 km away
  25. 3.516 km SSW of Kassándreia, Greece · 12990 days ago · 10 km deep · 61 km away
  26. 2.26 km NNE of Néa Apollonía, Greece · 12982 days ago · 10 km deep · 96 km away
  27. 2.112 km SW of Néa Poteídaia, Greece · 12978 days ago · 10 km deep · 72 km away

Before

  1. 2.79 km W of Néa Apollonía, Greece · 13039 days ago · 10 km deep · 98 km away
  2. 2.38 km SSE of Néos Marmarás, Greece · 13040 days ago · 5 km deep · 22 km away
  3. 2.311 km WSW of Kassándreia, Greece · 13042 days ago · 5 km deep · 65 km away
  4. 1.84 km SW of Néa Apollonía, Greece · 13044 days ago · 10 km deep · 92 km away
  5. 1.814 km SW of Kassándreia, Greece · 13046 days ago · 10 km deep · 65 km away
  6. 2.810 km N of Stratónion, Greece · 13047 days ago · 10 km deep · 77 km away
  7. 2.832 km N of Skýros, Greece · 13048 days ago · 10 km deep · 91 km away
  8. 2.111 km S of Néa Vrasná, Greece · 13048 days ago · 10 km deep · 80 km away
  9. 1.76 km N of Palaiochóri, Greece · 13048 days ago · 5 km deep · 77 km away
  10. 2.924 km NNE of Skiáthos, Greece · 13048 days ago · 10 km deep · 74 km away
  11. 3.548 km SSE of Pefkochóri, Greece · 13056 days ago · 23 km deep · 43 km away
  12. 2.812 km NE of Skiáthos, Greece · 13057 days ago · 10 km deep · 87 km away
  13. 3.129 km NNW of Skýros, Greece · 13064 days ago · 10 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004m2a. Read Fri, Oct 2, 2026, 7:13 PM UTC.