Greece earthquakes

M3.7 earthquake 6 km SSW of Askós, Greece

A magnitude 3.7 earthquake struck 6 km SSW of Askós, Greece on Wed, Jun 21, 1978, 1:33 AM GMT+3 (22:33 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 2 km WSW of Kolchikón, 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
3.7 (mb), minor
Local time
UTC
1978-06-20 22:33:34 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
40.697° N, 23.359° E
Region
Greece
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 3.64 km S of Kavallári, Greece · 17627 days ago · 10 km deep · 26 km away
  2. 4.02 km WSW of Kolchikón, Greece · 17627 days ago · 10 km deep · 22 km away
  3. 3.79 km W of Askós, Greece · 17627 days ago · 10 km deep · 9 km away
  4. 4.26 km SE of Kolchikón, Greece · 17627 days ago · 10 km deep · 14 km away
  5. 3.316 km WSW of Néa Kallikráteia, Greece · 17627 days ago · 10 km deep · 64 km away
  6. 4.24 km WNW of Askós, Greece · 17627 days ago · 10 km deep · 7 km away
  7. 3.54 km NNE of Ássiros, Greece · 17627 days ago · 10 km deep · 31 km away
  8. 4.64 km NE of Lití, Greece · 17626 days ago · 10 km deep · 31 km away
  9. 3.75 km NE of Ágios Vasíleios, Greece · 17626 days ago · 10 km deep · 18 km away
  10. 3.42 km SSW of Chortiátis, Greece · 17626 days ago · 10 km deep · 25 km away
  11. 3.37 km SW of Askós, Greece · 17626 days ago · 10 km deep · 3 km away
  12. 3.76 km SSE of Kolchikón, Greece · 17626 days ago · 10 km deep · 16 km away
  13. 4.38 km SE of Kolchikón, Greece · 17626 days ago · 10 km deep · 13 km away
  14. 3.58 km N of Gerakaroú, Greece · 17626 days ago · 10 km deep · 13 km away
  15. 2.97 km NNE of Ássiros, Greece · 17626 days ago · 10 km deep · 32 km away
  16. 3.94 km NNE of Ágios Vasíleios, Greece · 17626 days ago · 10 km deep · 18 km away
  17. 4.15 km N of Kolchikón, Greece · 17625 days ago · 10 km deep · 23 km away
  18. 3.42 km ENE of Kolchikón, Greece · 17624 days ago · 10 km deep · 18 km away
  19. 4.26 km ESE of Kolchikón, Greece · 17624 days ago · 10 km deep · 14 km away
  20. 3.74 km S of Kavallári, Greece · 17624 days ago · 10 km deep · 26 km away
  21. 3.24 km NNE of Lagkadás, Greece · 17624 days ago · 10 km deep · 25 km away
  22. 4.04 km E of Sochós, Greece · 17624 days ago · 10 km deep · 15 km away
  23. 3.50 km E of Ágios Vasíleios, Greece · 17624 days ago · 10 km deep · 20 km away
  24. 3.42 km WNW of Gerakaroú, Greece · 17623 days ago · 10 km deep · 16 km away
  25. 3.64 km N of Ágios Vasíleios, Greece · 17622 days ago · 10 km deep · 20 km away
  26. 3.410 km NNW of Sochós, Greece · 17621 days ago · 10 km deep · 24 km away
  27. 2.93 km NNW of Gerakaroú, Greece · 17617 days ago · 10 km deep · 15 km away
  28. 3.110 km SSE of Xilópolis, Greece · 17617 days ago · 10 km deep · 20 km away
  29. 4.03 km W of Askós, Greece · 17614 days ago · 10 km deep · 6 km away
  30. 3.60 km NNW of Kolchikón, Greece · 17613 days ago · 10 km deep · 21 km away
  31. 5.10 km W of Lagkadás, Greece · 17613 days ago · 19 km deep · 26 km away
  32. 3.31 km SE of Lagkadás, Greece · 17613 days ago · 10 km deep · 24 km away
  33. 3.44 km SSW of Sochós, Greece · 17609 days ago · 10 km deep · 10 km away
  34. 3.99 km ENE of Kolchikón, Greece · 17604 days ago · 10 km deep · 15 km away
  35. 3.67 km ESE of Kolchikón, Greece · 17604 days ago · 10 km deep · 12 km away
  36. 3.78 km W of Askós, Greece · 17603 days ago · 10 km deep · 8 km away
  37. 3.86 km N of Gerakaroú, Greece · 17603 days ago · 10 km deep · 13 km away
  38. 3.38 km ENE of Galátista, Greece · 17585 days ago · 10 km deep · 22 km away
  39. 3.76 km N of Kolchikón, Greece · 17584 days ago · 10 km deep · 23 km away
  40. 3.23 km NNW of Sochós, Greece · 17584 days ago · 10 km deep · 17 km away
  41. 3.71 km SSE of Lagkadás, Greece · 17581 days ago · 10 km deep · 25 km away

Before

  1. 3.09 km W of Xilópolis, Greece · 17627 days ago · 10 km deep · 35 km away
  2. 4.36 km NNW of Gerakaroú, Greece · 17627 days ago · 10 km deep · 15 km away
  3. 3.33 km E of Asvestochóri, Greece · 17627 days ago · 10 km deep · 25 km away
  4. 3.56 km SW of Xilópolis, Greece · 17627 days ago · 10 km deep · 28 km away
  5. 3.86 km NE of Gerakaroú, Greece · 17627 days ago · 10 km deep · 8 km away
  6. 4.14 km SE of Ássiros, Greece · 17627 days ago · 10 km deep · 27 km away
  7. 4.18 km E of Kolchikón, Greece · 17627 days ago · 10 km deep · 13 km away
  8. 3.80 km SSW of Lagkadás, Greece · 17627 days ago · 10 km deep · 25 km away
  9. 3.60 km ESE of Lagkadás, Greece · 17627 days ago · 10 km deep · 25 km away
  10. 3.85 km ENE of Askós, Greece · 17627 days ago · 10 km deep · 11 km away
  11. 3.610 km E of Kolchikón, Greece · 17627 days ago · 10 km deep · 11 km away
  12. 3.11 km SSE of Péfka, Greece · 17627 days ago · 10 km deep · 31 km away
  13. 6.48 km ESE of Kolchikón, Greece · 17627 days ago · 3 km deep · 12 km away
  14. 3.35 km ENE of Thérmi, Greece · 17628 days ago · 10 km deep · 28 km away
  15. 4.69 km ESE of Kolchikón, Greece · 17628 days ago · 10 km deep · 11 km away
  16. 5.37 km E of Kolchikón, Greece · 17628 days ago · 10 km deep · 13 km away
  17. 4.03 km SSW of Askós, Greece · 17629 days ago · 10 km deep · 3 km away
  18. 3.43 km N of Kolarovo, Bulgaria · 17633 days ago · 10 km deep · 80 km away
  19. 3.210 km SW of Sochós, Greece · 17634 days ago · 33 km deep · 11 km away
  20. 4.09 km SW of Sochós, Greece · 17635 days ago · 33 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000v65. Read Wed, Sep 23, 2026, 7:50 PM UTC.