Turkey earthquakes

M3.4 earthquake 23 km NW of Eceabat, Turkey

A magnitude 3.4 earthquake struck 23 km NW of Eceabat, Turkey on Sat, Jul 20, 1991, 3:37 AM GMT+3 (00:37 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 18 km ESE of Samothráki, Greece. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.4 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1991-07-20 00:37:57 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
40.363° N, 26.200° E
Region
Turkey
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

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 3.234 km SW of Kamariótissa, Greece · 12826 days ago · 10 km deep · 85 km away
  2. 1.936 km SSW of Kamariótissa, Greece · 12826 days ago · 10 km deep · 80 km away
  3. 3.215 km N of Gökçeada, Turkey · 12821 days ago · 10 km deep · 27 km away
  4. 2.920 km SSW of Xylaganí, Greece · 12808 days ago · 10 km deep · 90 km away
  5. 3.518 km ESE of Samothráki, Greece · 12808 days ago · 16 km deep · 41 km away

Before

  1. 3.222 km WNW of Gelibolu, Turkey · 12861 days ago · 10 km deep · 23 km away
  2. 3.322 km WNW of Gelibolu, Turkey · 12861 days ago · 10 km deep · 28 km away
  3. 3.139 km WSW of Bozcaada, Turkey · 12862 days ago · 10 km deep · 87 km away
  4. 3.025 km S of Enez, Turkey · 12867 days ago · 10 km deep · 16 km away
  5. 2.820 km NNW of Biga, Turkey · 12868 days ago · 10 km deep · 80 km away
  6. 3.43 km SSE of Ayvac?k, Turkey · 12868 days ago · 10 km deep · 90 km away
  7. 2.824 km NNW of Eceabat, Turkey · 12883 days ago · 10 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004ucy. Read Sun, Oct 4, 2026, 12:42 PM UTC.