Turkey earthquakes

M3.4 earthquake 11 km N of Koruköy, Turkey

A magnitude 3.4 earthquake struck 11 km N of Koruköy, Turkey on Wed, May 1, 1991, 2:38 AM GMT+3 (23:38 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.9 9 km SE of Kestel, Turkey. This one was a foreshock.

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Map

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
1991-04-30 23:38:19 UTC
Depth
9.0 km (5.6 mi), shallow
Epicenter
40.753° N, 29.186° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 2.74 km NNW of Kar?ncal?, Turkey · 12939 days ago · 13 km deep · 88 km away
  2. 2.6Western Turkey · 12939 days ago · 10 km deep · 78 km away
  3. 2.833 km NE of Ar?köy, Turkey · 12939 days ago · 10 km deep · 77 km away
  4. 2.94 km SW of Ç?narc?k, Turkey · 12939 days ago · 10 km deep · 17 km away
  5. 3.212 km SW of ?çmeler, Turkey · 12939 days ago · 10 km deep · 2 km away
  6. 2.812 km SW of ?çmeler, Turkey · 12939 days ago · 10 km deep · 2 km away
  7. 2.6Western Turkey · 12939 days ago · 10 km deep · 4 km away
  8. 2.711 km NNE of Koruköy, Turkey · 12939 days ago · 10 km deep · 3 km away
  9. 2.57 km W of Kirazl?, Turkey · 12939 days ago · 10 km deep · 76 km away
  10. 2.51 km W of Çatalca, Turkey · 12938 days ago · 10 km deep · 76 km away
  11. 2.63 km ESE of Gebze, Turkey · 12938 days ago · 10 km deep · 24 km away
  12. 3.17 km NNE of Ar?köy, Turkey · 12937 days ago · 10 km deep · 61 km away
  13. 2.96 km ENE of Çatalca, Turkey · 12936 days ago · 10 km deep · 71 km away
  14. 3.26 km ESE of Yuvac?k, Turkey · 12935 days ago · 10 km deep · 72 km away
  15. 2.74 km SW of ?hsaniye, Turkey · 12935 days ago · 10 km deep · 52 km away
  16. 2.66 km WNW of Yeniköy, Turkey · 12933 days ago · 10 km deep · 23 km away
  17. 2.724 km E of Ar?köy, Turkey · 12933 days ago · 10 km deep · 55 km away
  18. 2.66 km SSE of Yalova, Turkey · 12932 days ago · 10 km deep · 20 km away
  19. 3.99 km SE of Kestel, Turkey · 12932 days ago · 10 km deep · 69 km away
  20. 2.71 km WNW of Muratbey, Turkey · 12931 days ago · 10 km deep · 72 km away
  21. 2.312 km NW of Ar?köy, Turkey · 12929 days ago · 10 km deep · 67 km away
  22. 2.41 km ESE of Çatalca, Turkey · 12929 days ago · 10 km deep · 73 km away
  23. 2.60 km SE of Çatalca, Turkey · 12928 days ago · 10 km deep · 74 km away
  24. 2.418 km NE of Karacabey, Turkey · 12928 days ago · 10 km deep · 73 km away
  25. 2.86 km NNE of Esenyurt, Turkey · 12927 days ago · 10 km deep · 55 km away
  26. 2.91 km WNW of ?hsaniye, Turkey · 12927 days ago · 10 km deep · 53 km away
  27. 2.75 km E of Umurbey, Turkey · 12926 days ago · 10 km deep · 39 km away
  28. 3.13 km NNE of Ula?l?, Turkey · 12926 days ago · 10 km deep · 44 km away
  29. 3.118 km W of Mudanya, Turkey · 12926 days ago · 10 km deep · 60 km away
  30. 2.47 km NNW of Balç?k, Turkey · 12925 days ago · 5 km deep · 27 km away
  31. 2.52 km ENE of Tav?anl?, Turkey · 12925 days ago · 10 km deep · 31 km away
  32. 2.712 km N of Hamzabey, Turkey · 12924 days ago · 10 km deep · 62 km away
  33. 2.68 km NE of Tav?anc?l, Turkey · 12924 days ago · 10 km deep · 40 km away
  34. 2.612 km E of Tacir, Turkey · 12924 days ago · 10 km deep · 65 km away
  35. 2.78 km ENE of Kestel, Turkey · 12922 days ago · 10 km deep · 60 km away
  36. 3.022 km N of A?va, Turkey · 12920 days ago · 10 km deep · 86 km away
  37. 2.66 km E of Çatalca, Turkey · 12919 days ago · 10 km deep · 70 km away
  38. 2.913 km N of Sapanca, Turkey · 12918 days ago · 10 km deep · 90 km away
  39. 2.56 km NNE of ?i?li, Turkey · 12918 days ago · 10 km deep · 44 km away
  40. 2.75 km E of Kestel, Turkey · 12917 days ago · 10 km deep · 61 km away
  41. 2.62 km WNW of Kocadere, Turkey · 12917 days ago · 10 km deep · 20 km away
  42. 2.85 km NNE of Koruköy, Turkey · 12916 days ago · 10 km deep · 5 km away
  43. 3.011 km ESE of Yuvac?k, Turkey · 12915 days ago · 10 km deep · 78 km away
  44. 2.72 km SSE of Çatalca, Turkey · 12914 days ago · 10 km deep · 73 km away
  45. 2.61 km E of Çatalca, Turkey · 12912 days ago · 10 km deep · 73 km away
  46. 2.61 km SSE of Çatalca, Turkey · 12911 days ago · 10 km deep · 73 km away
  47. 2.99 km ENE of Kar?ncal?, Turkey · 12909 days ago · 10 km deep · 87 km away
  48. 2.56 km NNW of Ula?l?, Turkey · 12908 days ago · 10 km deep · 41 km away
  49. 2.53 km W of Ar?köy, Turkey · 12908 days ago · 10 km deep · 56 km away
  50. 3.08 km E of Kar?ncal?, Turkey · 12908 days ago · 10 km deep · 88 km away
  51. 2.55 km ENE of Çatalca, Turkey · 12907 days ago · 10 km deep · 72 km away
  52. 2.82 km N of Köseköy, Turkey · 12906 days ago · 10 km deep · 69 km away
  53. 3.21 km NNE of Kullar, Turkey · 12906 days ago · 10 km deep · 68 km away
  54. 2.35 km E of Arnavutköy, Turkey · 12906 days ago · 10 km deep · 57 km away
  55. 2.46 km SW of Arnavutköy, Turkey · 12904 days ago · 10 km deep · 60 km away
  56. 2.93 km SSE of Bahçecik, Turkey · 12904 days ago · 10 km deep · 64 km away
  57. 2.9Western Turkey · 12903 days ago · 10 km deep · 68 km away
  58. 2.412 km SW of Kocadere, Turkey · 12901 days ago · 10 km deep · 32 km away
  59. 2.612 km NNE of Köseköy, Turkey · 12896 days ago · 10 km deep · 74 km away
  60. 3.019 km WNW of Mudanya, Turkey · 12896 days ago · 10 km deep · 55 km away

The first 60 of 78.

Before

  1. 2.81 km WSW of Kar??yaka, Turkey · 12940 days ago · 10 km deep · 62 km away
  2. 2.73 km NE of Kestel, Turkey · 12940 days ago · 10 km deep · 60 km away
  3. 2.65 km NW of Hamzabey, Turkey · 12940 days ago · 10 km deep · 69 km away
  4. 3.3Western Turkey · 12941 days ago · 22 km deep · 67 km away
  5. 2.58 km N of ?i?li, Turkey · 12943 days ago · 11 km deep · 46 km away
  6. 2.81 km ESE of Çatalca, Turkey · 12943 days ago · 10 km deep · 73 km away
  7. 3.02 km WNW of Ç?narc?k, Turkey · 12944 days ago · 10 km deep · 13 km away
  8. 2.55 km NNE of Tav?anc?l, Turkey · 12944 days ago · 7 km deep · 35 km away
  9. 2.54 km WNW of Tav?anl?, Turkey · 12945 days ago · 10 km deep · 25 km away
  10. 2.71 km N of Muratbey, Turkey · 12945 days ago · 10 km deep · 70 km away
  11. 2.84 km NE of Mudanya, Turkey · 12946 days ago · 10 km deep · 45 km away
  12. 3.030 km ENE of Ar?köy, Turkey · 12946 days ago · 7 km deep · 69 km away
  13. 2.72 km WSW of Ç?narc?k, Turkey · 12946 days ago · 10 km deep · 15 km away
  14. 2.69 km NNE of Tav?anc?l, Turkey · 12946 days ago · 10 km deep · 38 km away
  15. 2.82 km S of Çatalca, Turkey · 12946 days ago · 10 km deep · 73 km away
  16. 2.710 km SSW of Adalar, Turkey · 12949 days ago · 10 km deep · 9 km away
  17. 2.611 km NE of Sancaktepe, Turkey · 12949 days ago · 10 km deep · 38 km away
  18. 2.66 km W of Yenice, Turkey · 12949 days ago · 10 km deep · 75 km away
  19. 2.615 km WNW of Kirazl?, Turkey · 12950 days ago · 10 km deep · 73 km away
  20. 2.811 km NNE of Mudanya, Turkey · 12951 days ago · 10 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004r2k. Read Sat, Oct 3, 2026, 12:42 PM UTC.