Greece earthquakes

M3.5 earthquake 18 km ESE of Samothráki, Greece

A magnitude 3.5 earthquake struck 18 km ESE of Samothráki, Greece on Wed, Sep 11, 1991, 12:07 AM GMT+3 (21:07 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.8 22 km W of Gökçeada, Turkey. This one was a foreshock.

Alexandroupoli 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
3.5 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1991-09-10 21:07:03 UTC
Depth
16.2 km (10.1 mi), shallow
Epicenter
40.417° N, 25.725° 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.

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 4 in the 30 days before it.

After

  1. 3.240 km W of Bozcaada, Turkey · 12793 days ago · 10 km deep · 68 km away
  2. 3.330 km NNW of Mýrina, Greece · 12776 days ago · 10 km deep · 71 km away
  3. 4.822 km W of Gökçeada, Turkey · 12775 days ago · 12 km deep · 25 km away
  4. 3.5Aegean Sea · 12775 days ago · 10 km deep · 26 km away
  5. 3.027 km W of Gökçeada, Turkey · 12774 days ago · 10 km deep · 31 km away
  6. 2.924 km W of Gökçeada, Turkey · 12774 days ago · 10 km deep · 27 km away
  7. 3.837 km NNE of Mýrina, Greece · 12772 days ago · 10 km deep · 48 km away
  8. 3.523 km W of Gökçeada, Turkey · 12767 days ago · 9 km deep · 28 km away
  9. 3.120 km N of Gökçeada, Turkey · 12766 days ago · 10 km deep · 17 km away
  10. 2.9Aegean Sea · 12760 days ago · 5 km deep · 40 km away
  11. 2.916 km W of Alexandroupoli, Greece · 12758 days ago · 10 km deep · 48 km away
  12. 3.131 km W of Gökçeada, Turkey · 12753 days ago · 10 km deep · 33 km away

Before

  1. 2.920 km SSW of Xylaganí, Greece · 12807 days ago · 10 km deep · 56 km away
  2. 3.215 km N of Gökçeada, Turkey · 12820 days ago · 10 km deep · 15 km away
  3. 1.936 km SSW of Kamariótissa, Greece · 12824 days ago · 10 km deep · 45 km away
  4. 3.234 km SW of Kamariótissa, Greece · 12824 days ago · 10 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004wgf. Read Sat, Oct 3, 2026, 4:36 AM UTC.