M3.1 earthquake 15 km SSE of Sykiá, Greece

Magnitude

3.1 (Md, duration), minor

Magnitude from

USGS National Earthquake Information Center

Local time

Sun, Aug 12, 1990, 4:29 AM GMT+3

UTC

1990-08-12 01:29:47 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

39.905° N, 23.984° E

Region

Greece

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

OPERATOR_ASSIGNED

• Volos, GreecePopulation 86,048. Forecast107 kmNE
• Thessaloníki, GreecePopulation 317,778. Forecast121 kmSE
• Sofia, BulgariaPopulation 1,152,556. Forecast315 kmS

After

1. 2.48 km S of Sykiá, GreeceSun, Aug 12, 4:50 AM GMT+3 · 13200 days ago · 10 km deep · 7 km away
2. 3.49 km ENE of Néa Apollonía, GreeceMon, Aug 13, 2:05 PM GMT+3 · 13199 days ago · 10 km deep · 93 km away
3. 2.910 km SSW of Sykiá, GreeceFri, Aug 17, 9:46 PM GMT+3 · 13195 days ago · 10 km deep · 11 km away
4. 2.99 km S of Sykiá, GreeceFri, Aug 17, 10:42 PM GMT+3 · 13195 days ago · 10 km deep · 5 km away
5. 2.03 km S of Néa Flogitá, GreeceMon, Aug 20, 8:13 PM GMT+3 · 13192 days ago · 5 km deep · 75 km away
6. 2.56 km SSE of Sykiá, GreeceTue, Aug 21, 6:18 AM GMT+3 · 13191 days ago · 10 km deep · 9 km away
7. 4.112 km SSE of Sykiá, GreeceMon, Sep 3, 8:35 AM GMT+3 · 13178 days ago · 21 km deep · 5 km away
8. 3.09 km ENE of Skiáthos, GreeceMon, Sep 3, 7:26 PM GMT+3 · 13178 days ago · 10 km deep · 85 km away
9. 4.217 km SSE of Sykiá, GreeceSun, Sep 9, 10:00 PM GMT+3 · 13172 days ago · 14 km deep · 5 km away
10. 3.230 km SSE of Sykiá, GreeceMon, Sep 10, 1:24 AM GMT+3 · 13171 days ago · 10 km deep · 16 km away
11. 3.24 km SSE of Sykiá, GreeceMon, Sep 10, 1:33 AM GMT+3 · 13171 days ago · 10 km deep · 11 km away
12. 3.325 km ESE of Sykiá, GreeceTue, Sep 11, 6:38 AM GMT+3 · 13170 days ago · 33 km deep · 20 km away
13. 2.86 km SSE of Néos Marmarás, GreeceFri, Sep 14, 5:23 PM GMT+3 · 13167 days ago · 10 km deep · 21 km away
14. 3.28 km NNE of Néa Fókaia, GreeceTue, Oct 9, 5:25 AM GMT+2 · 13142 days ago · 12 km deep · 57 km away
15. 2.89 km SSE of Kalýves Polygýrou, GreeceTue, Oct 9, 5:33 AM GMT+2 · 13142 days ago · 10 km deep · 57 km away
16. 2.64 km ESE of Néa Potídhaia, GreeceTue, Oct 9, 6:40 AM GMT+2 · 13142 days ago · 33 km deep · 60 km away
17. 3.13 km NNW of Kalýves Polygýrou, GreeceTue, Oct 9, 6:42 AM GMT+2 · 13142 days ago · 5 km deep · 69 km away

Before

1. 2.14 km WNW of Sykiá, GreeceTue, Aug 7, 4:23 PM GMT+3 · 13205 days ago · 10 km deep · 18 km away
2. 3.019 km NNW of Patitírion, GreeceSat, Aug 4, 9:36 AM GMT+3 · 13208 days ago · 10 km deep · 69 km away
3. 2.813 km N of Skiáthos, GreeceThu, Aug 2, 8:34 AM GMT+3 · 13210 days ago · 10 km deep · 81 km away
4. 2.61 km NNE of Ierissós, GreeceTue, Jul 17, 5:21 PM GMT+3 · 13226 days ago · 5 km deep · 57 km away
5. 2.310 km WSW of Sykiá, GreeceSun, Jul 15, 6:06 PM GMT+3 · 13228 days ago · 10 km deep · 17 km away
6. 2.16 km NNW of Néa Apollonía, GreeceSun, Jul 15, 5:17 PM GMT+3 · 13228 days ago · 10 km deep · 99 km away
7. 1.8GreeceSun, Jul 15, 5:04 AM GMT+3 · 13228 days ago · 10 km deep · 73 km away
8. 3.01 km WSW of Palaiochóri, GreeceSat, Jul 14, 6:49 PM GMT+3 · 13229 days ago · 10 km deep · 71 km away
9. 2.07 km NE of Asproválta, GreeceFri, Jul 13, 10:35 PM GMT+3 · 13230 days ago · 10 km deep · 99 km away

From the USGS Earthquake Hazards Program and its partner networks, event usp0004d99. Read Fri, Oct 2, 2026, 8:39 AM UTC.