Turkey earthquakes

M3.3 earthquake 8 km NE of Biga, Turkey

A magnitude 3.3 earthquake struck 8 km NE of Biga, Turkey on Fri, Feb 1, 1991, 2:07 AM GMT+2 (00:07 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 16 km SSW of Marmara Ere?lisi, Turkey. This one was a foreshock.

Biga forecastMore in Turkey

Map

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

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The earthquake

Magnitude
3.3 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1991-02-01 00:07:33 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
40.276° N, 27.325° 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: 10 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 3.28 km NE of Biga, Turkey · 13030 days ago · 10 km deep · 1 km away
  2. 2.910 km SW of Karacabey, Turkey · 13027 days ago · 10 km deep · 81 km away
  3. 3.014 km SW of Marmara Ere?lisi, Turkey · 13023 days ago · 10 km deep · 79 km away
  4. 3.024 km W of Marmara, Turkey · 13023 days ago · 10 km deep · 32 km away
  5. 2.98 km SSW of Band?rma, Turkey · 13020 days ago · 10 km deep · 51 km away
  6. 3.224 km NW of Eceabat, Turkey · 13015 days ago · 10 km deep · 97 km away
  7. 2.97 km SSE of Havran, Turkey · 13013 days ago · 10 km deep · 88 km away
  8. 2.612 km WSW of Susurluk, Turkey · 13010 days ago · 10 km deep · 77 km away
  9. 2.410 km SE of Manyas, Turkey · 13006 days ago · 10 km deep · 70 km away
  10. 4.516 km SSW of Marmara Ere?lisi, Turkey · 12994 days ago · 11 km deep · 78 km away

Before

  1. 2.612 km W of Bal?kesir, Turkey · 13034 days ago · 10 km deep · 79 km away
  2. 2.912 km NE of Biga, Turkey · 13036 days ago · 10 km deep · 4 km away
  3. 3.012 km NE of Biga, Turkey · 13036 days ago · 10 km deep · 4 km away
  4. 3.140 km SSW of Kumburgaz, Turkey · 13037 days ago · 10 km deep · 97 km away
  5. 2.820 km NE of Biga, Turkey · 13038 days ago · 10 km deep · 12 km away
  6. 2.813 km WSW of Manyas, Turkey · 13043 days ago · 10 km deep · 51 km away
  7. 3.49 km SSE of Kumba?, Turkey · 13051 days ago · 10 km deep · 61 km away
  8. 3.210 km ESE of Çan, Turkey · 13052 days ago · 28 km deep · 32 km away
  9. 2.86 km ENE of Bal?kesir, Turkey · 13055 days ago · 10 km deep · 86 km away
  10. 3.015 km NNW of Manyas, Turkey · 13055 days ago · 13 km deep · 51 km away
  11. 2.810 km NNW of Manyas, Turkey · 13056 days ago · 10 km deep · 54 km away
  12. 2.611 km S of Band?rma, Turkey · 13058 days ago · 10 km deep · 53 km away
  13. 2.913 km E of Kumba?, Turkey · 13059 days ago · 10 km deep · 70 km away
  14. 2.815 km NNW of Manyas, Turkey · 13059 days ago · 10 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004mdm. Read Sun, Oct 4, 2026, 7:53 PM UTC.