M4.3 earthquake 8 km SE of Kolchikón, Greece

Magnitude

4.3 (mb), light

Local time

Wed, Jun 21, 1978, 9:52 PM GMT+3

UTC

1978-06-21 18:52:04 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

40.709° N, 23.208° E

Region

Greece

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

OPERATOR_ASSIGNED

Stations used

59

• Lagkadás, GreecePopulation 37,022. Forecast13 kmESE
• Thessaloníki, GreecePopulation 317,778. Forecast24 kmENE
• Sofia, BulgariaPopulation 1,152,556. Forecast221 kmS

After

1. 3.58 km N of Gerakaroú, GreeceThu, Jun 22, 12:20 AM GMT+3 · 17625 days ago · 10 km deep · 1 km away
2. 2.97 km NNE of Ássiros, GreeceThu, Jun 22, 3:29 AM GMT+3 · 17625 days ago · 10 km deep · 22 km away
3. 3.94 km NNE of Ágios Vasíleios, GreeceThu, Jun 22, 5:26 AM GMT+3 · 17625 days ago · 10 km deep · 6 km away
4. 4.15 km N of Kolchikón, GreeceFri, Jun 23, 4:57 AM GMT+3 · 17624 days ago · 10 km deep · 13 km away
5. 3.42 km ENE of Kolchikón, GreeceFri, Jun 23, 10:05 PM GMT+3 · 17623 days ago · 10 km deep · 7 km away
6. 4.26 km ESE of Kolchikón, GreeceFri, Jun 23, 10:58 PM GMT+3 · 17623 days ago · 10 km deep · 2 km away
7. 3.74 km S of Kavallári, GreeceFri, Jun 23, 11:46 PM GMT+3 · 17623 days ago · 10 km deep · 13 km away
8. 3.24 km NNE of Lagkadás, GreeceSat, Jun 24, 6:24 AM GMT+3 · 17623 days ago · 10 km deep · 13 km away
9. 4.04 km E of Sochós, GreeceSat, Jun 24, 7:35 AM GMT+3 · 17623 days ago · 10 km deep · 21 km away
10. 3.50 km E of Ágios Vasíleios, GreeceSat, Jun 24, 10:01 AM GMT+3 · 17622 days ago · 10 km deep · 9 km away
11. 3.42 km WNW of Gerakaroú, GreeceSun, Jun 25, 9:35 AM GMT+3 · 17621 days ago · 10 km deep · 9 km away
12. 3.64 km N of Ágios Vasíleios, GreeceMon, Jun 26, 3:03 AM GMT+3 · 17621 days ago · 10 km deep · 7 km away
13. 3.410 km NNW of Sochós, GreeceTue, Jun 27, 7:16 AM GMT+3 · 17620 days ago · 10 km deep · 24 km away
14. 2.93 km NNW of Gerakaroú, GreeceSat, Jul 1, 6:23 AM GMT+3 · 17616 days ago · 10 km deep · 6 km away
15. 3.110 km SSE of Xilópolis, GreeceSat, Jul 1, 6:25 AM GMT+3 · 17616 days ago · 10 km deep · 14 km away
16. 4.03 km W of Askós, GreeceMon, Jul 3, 11:09 PM GMT+3 · 17613 days ago · 10 km deep · 13 km away
17. 3.60 km NNW of Kolchikón, GreeceWed, Jul 5, 1:19 AM GMT+3 · 17612 days ago · 10 km deep · 9 km away
18. 5.10 km W of Lagkadás, GreeceWed, Jul 5, 1:23 AM GMT+3 · 17612 days ago · 19 km deep · 13 km away
19. 3.31 km SE of Lagkadás, GreeceWed, Jul 5, 3:05 AM GMT+3 · 17612 days ago · 10 km deep · 12 km away
20. 3.44 km SSW of Sochós, GreeceSun, Jul 9, 7:01 AM GMT+3 · 17608 days ago · 10 km deep · 13 km away
21. 3.99 km ENE of Kolchikón, GreeceThu, Jul 13, 8:26 PM GMT+3 · 17603 days ago · 10 km deep · 10 km away
22. 3.67 km ESE of Kolchikón, GreeceFri, Jul 14, 6:45 AM GMT+3 · 17603 days ago · 10 km deep · 4 km away
23. 3.78 km W of Askós, GreeceSat, Jul 15, 4:42 AM GMT+3 · 17602 days ago · 10 km deep · 8 km away
24. 3.86 km N of Gerakaroú, GreeceSat, Jul 15, 8:27 AM GMT+3 · 17601 days ago · 10 km deep · 2 km away
25. 3.38 km ENE of Galátista, GreeceWed, Aug 2, 2:56 AM GMT+3 · 17584 days ago · 10 km deep · 27 km away
26. 3.76 km N of Kolchikón, GreeceThu, Aug 3, 12:03 AM GMT+3 · 17583 days ago · 10 km deep · 13 km away
27. 3.23 km NNW of Sochós, GreeceThu, Aug 3, 6:35 AM GMT+3 · 17583 days ago · 10 km deep · 19 km away
28. 3.71 km SSE of Lagkadás, GreeceSun, Aug 6, 8:43 AM GMT+3 · 17579 days ago · 10 km deep · 12 km away

Before

1. 3.76 km SSE of Kolchikón, GreeceWed, Jun 21, 9:03 PM GMT+3 · 17625 days ago · 10 km deep · 3 km away
2. 3.37 km SW of Askós, GreeceWed, Jun 21, 8:40 PM GMT+3 · 17625 days ago · 10 km deep · 10 km away
3. 3.42 km SSW of Chortiátis, GreeceWed, Jun 21, 7:03 PM GMT+3 · 17625 days ago · 10 km deep · 16 km away
4. 3.75 km NE of Ágios Vasíleios, GreeceWed, Jun 21, 4:20 PM GMT+3 · 17625 days ago · 10 km deep · 5 km away
5. 4.64 km NE of Lití, GreeceWed, Jun 21, 3:29 PM GMT+3 · 17625 days ago · 10 km deep · 18 km away
6. 3.54 km NNE of Ássiros, GreeceWed, Jun 21, 10:40 AM GMT+3 · 17625 days ago · 10 km deep · 21 km away
7. 4.24 km WNW of Askós, GreeceWed, Jun 21, 9:00 AM GMT+3 · 17625 days ago · 10 km deep · 13 km away
8. 3.316 km WSW of Néa Kallikráteia, GreeceWed, Jun 21, 7:42 AM GMT+3 · 17626 days ago · 10 km deep · 59 km away
9. 4.26 km SE of Kolchikón, GreeceWed, Jun 21, 6:20 AM GMT+3 · 17626 days ago · 10 km deep · 2 km away
10. 3.79 km W of Askós, GreeceWed, Jun 21, 4:04 AM GMT+3 · 17626 days ago · 10 km deep · 7 km away
11. 4.02 km WSW of Kolchikón, GreeceWed, Jun 21, 4:02 AM GMT+3 · 17626 days ago · 10 km deep · 10 km away
12. 3.64 km S of Kavallári, GreeceWed, Jun 21, 1:58 AM GMT+3 · 17626 days ago · 10 km deep · 13 km away
13. 3.76 km SSW of Askós, GreeceWed, Jun 21, 1:33 AM GMT+3 · 17626 days ago · 10 km deep · 13 km away
14. 3.09 km W of Xilópolis, GreeceWed, Jun 21, 1:03 AM GMT+3 · 17626 days ago · 10 km deep · 27 km away
15. 4.36 km NNW of Gerakaroú, GreeceWed, Jun 21, 12:51 AM GMT+3 · 17626 days ago · 10 km deep · 4 km away
16. 3.33 km E of Asvestochóri, GreeceWed, Jun 21, 12:33 AM GMT+3 · 17626 days ago · 10 km deep · 14 km away
17. 3.56 km SW of Xilópolis, GreeceWed, Jun 21, 12:07 AM GMT+3 · 17626 days ago · 10 km deep · 20 km away
18. 3.86 km NE of Gerakaroú, GreeceTue, Jun 20, 11:59 PM GMT+3 · 17626 days ago · 10 km deep · 8 km away
19. 4.14 km SE of Ássiros, GreeceTue, Jun 20, 11:52 PM GMT+3 · 17626 days ago · 10 km deep · 15 km away
20. 4.18 km E of Kolchikón, GreeceTue, Jun 20, 11:45 PM GMT+3 · 17626 days ago · 10 km deep · 7 km away

From the USGS Earthquake Hazards Program and its partner networks, event usp0000v77. Read Tue, Sep 22, 2026, 4:55 PM UTC.