Turkey earthquakes

M4.0 earthquake 1 km SE of Ula?l?, Turkey

A magnitude 4.0 earthquake struck 1 km SE of Ula?l?, Turkey on Fri, Aug 20, 1999, 12:48 PM GMT+3 (09:48 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.9 4 km SE of Köseköy, Turkey. This one was a foreshock.

Karamürsel 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
4.0 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1999-08-20 09:48:36 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
40.694° N, 29.708° 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: 84 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 4.313 km SSE of Akyaz?, Turkey · 9905 days ago · 10 km deep · 83 km away
  2. 4.27 km SE of Hendek, Turkey · 9905 days ago · 10 km deep · 94 km away
  3. 3.95 km SSE of Ç?narc?k, Turkey · 9905 days ago · 10 km deep · 48 km away
  4. 3.39 km SW of ?ile, Turkey · 9905 days ago · 10 km deep · 50 km away
  5. 3.81 km ENE of Yalova, Turkey · 9904 days ago · 10 km deep · 35 km away
  6. 3.97 km SSW of Kad?köy, Turkey · 9904 days ago · 10 km deep · 47 km away
  7. 4.513 km ESE of Akyaz?, Turkey · 9903 days ago · 10 km deep · 90 km away
  8. 3.8Western Turkey · 9902 days ago · 10 km deep · 94 km away
  9. 4.14 km S of Koruköy, Turkey · 9902 days ago · 10 km deep · 47 km away
  10. 4.29 km WSW of Sapanca, Turkey · 9901 days ago · 10 km deep · 38 km away
  11. 4.80 km ENE of Köseköy, Turkey · 9899 days ago · 10 km deep · 27 km away
  12. 3.57 km NW of ?zmit, Turkey · 9897 days ago · 10 km deep · 19 km away
  13. 3.21 km SW of Ç?narc?k, Turkey · 9895 days ago · 8 km deep · 50 km away
  14. 3.07 km NNE of Küçükkumla, Turkey · 9895 days ago · 1 km deep · 51 km away
  15. 3.510 km N of Yalova, Turkey · 9895 days ago · 9 km deep · 38 km away
  16. 5.22 km NNE of Kar??yaka, Turkey · 9894 days ago · 10 km deep · 20 km away
  17. 4.51 km NNE of Kar??yaka, Turkey · 9894 days ago · 10 km deep · 21 km away
  18. 3.07 km N of Çiftlikköy, Turkey · 9894 days ago · 5 km deep · 32 km away
  19. 4.29 km NNE of Küçükkumla, Turkey · 9894 days ago · 10 km deep · 51 km away
  20. 3.97 km SW of Kad?köy, Turkey · 9894 days ago · 10 km deep · 48 km away
  21. 3.45 km W of Hendek, Turkey · 9892 days ago · 10 km deep · 84 km away
  22. 4.08 km S of Karapürçek, Turkey · 9892 days ago · 10 km deep · 71 km away
  23. 4.02 km E of Köseköy, Turkey · 9890 days ago · 17 km deep · 28 km away
  24. 3.95 km N of Karapürçek, Turkey · 9889 days ago · 8 km deep · 71 km away
  25. 4.015 km SSE of Bahçecik, Turkey · 9889 days ago · 10 km deep · 29 km away
  26. 3.12 km N of Körfez, Turkey · 9889 days ago · 10 km deep · 12 km away
  27. 2.79 km SE of Adapazar?, Turkey · 9888 days ago · 12 km deep · 67 km away
  28. 2.94 km N of Ula?l?, Turkey · 9888 days ago · 10 km deep · 5 km away
  29. 5.07 km NNW of Koruköy, Turkey · 9886 days ago · 13 km deep · 48 km away
  30. 3.15 km E of Köseköy, Turkey · 9886 days ago · 10 km deep · 31 km away
  31. 3.22 km WNW of Hendek, Turkey · 9885 days ago · 5 km deep · 86 km away
  32. 3.88 km SSE of Geyve, Turkey · 9885 days ago · 10 km deep · 59 km away
  33. 2.81 km N of Yuvac?k, Turkey · 9885 days ago · 13 km deep · 22 km away
  34. 2.68 km NNE of Koruköy, Turkey · 9881 days ago · 6 km deep · 43 km away
  35. 5.94 km SE of Köseköy, Turkey · 9881 days ago · 13 km deep · 28 km away
  36. 2.78 km WNW of Sapanca, Turkey · 9881 days ago · 9 km deep · 39 km away
  37. 2.72 km SSW of Ç?narc?k, Turkey · 9880 days ago · 6 km deep · 51 km away
  38. 3.04 km NNE of Kocadere, Turkey · 9880 days ago · 13 km deep · 56 km away
  39. 2.96 km SSE of Sapanca, Turkey · 9879 days ago · 7 km deep · 49 km away
  40. 3.213 km ESE of Akyaz?, Turkey · 9879 days ago · 10 km deep · 90 km away
  41. 2.81 km N of Yuvac?k, Turkey · 9879 days ago · 13 km deep · 22 km away
  42. 2.50 km S of ?zmit, Turkey · 9878 days ago · 14 km deep · 20 km away
  43. 3.54 km SE of Pamukova, Turkey · 9878 days ago · 7 km deep · 49 km away
  44. 2.89 km N of Akyaz?, Turkey · 9877 days ago · 5 km deep · 78 km away
  45. 4.39 km WNW of Sapanca, Turkey · 9877 days ago · 10 km deep · 38 km away
  46. 4.55 km SSE of Yalova, Turkey · 9877 days ago · 10 km deep · 36 km away
  47. 2.72 km SSE of Ç?narc?k, Turkey · 9876 days ago · 6 km deep · 49 km away
  48. 2.98 km W of Adapazar?, Turkey · 9876 days ago · 13 km deep · 51 km away
  49. 2.62 km NE of Ç?narc?k, Turkey · 9876 days ago · 12 km deep · 48 km away
  50. 2.93 km SSE of Kocadere, Turkey · 9876 days ago · 22 km deep · 56 km away
  51. 2.81 km NW of ?zmit, Turkey · 9876 days ago · 9 km deep · 20 km away
  52. 2.82 km N of Yuvac?k, Turkey · 9876 days ago · 6 km deep · 22 km away
  53. 2.72 km SSW of Ç?narc?k, Turkey · 9876 days ago · 8 km deep · 51 km away
  54. 3.02 km SSE of Köseköy, Turkey · 9875 days ago · 17 km deep · 27 km away
  55. 2.711 km SSE of Adalar, Turkey · 9875 days ago · 21 km deep · 44 km away
  56. 2.810 km W of Sö?ütlü, Turkey · 9875 days ago · 13 km deep · 58 km away
  57. 3.13 km NNE of Koruköy, Turkey · 9875 days ago · 3 km deep · 45 km away
  58. 4.31 km WSW of Karapürçek, Turkey · 9875 days ago · 10 km deep · 69 km away
  59. 3.23 km WNW of Karapürçek, Turkey · 9875 days ago · 4 km deep · 67 km away
  60. 3.44 km NW of Karapürçek, Turkey · 9875 days ago · 5 km deep · 67 km away

The first 60 of 84.

Before

  1. 4.56 km SE of Kad?köy, Turkey · 9905 days ago · 10 km deep · 39 km away
  2. 4.10 km SE of Kullar, Turkey · 9906 days ago · 10 km deep · 24 km away
  3. 3.80 km WSW of Koruköy, Turkey · 9906 days ago · 10 km deep · 47 km away
  4. 5.23 km SSE of Ç?narc?k, Turkey · 9906 days ago · 10 km deep · 49 km away
  5. 3.97 km WNW of Küçükkumla, Turkey · 9906 days ago · 10 km deep · 62 km away
  6. 4.52 km WSW of Kad?köy, Turkey · 9906 days ago · 10 km deep · 44 km away
  7. 4.714 km ESE of Akyaz?, Turkey · 9906 days ago · 10 km deep · 90 km away
  8. 4.09 km NW of Hendek, Turkey · 9907 days ago · 10 km deep · 84 km away
  9. 3.97 km E of Akyaz?, Turkey · 9907 days ago · 10 km deep · 84 km away
  10. 3.813 km ESE of Akyaz?, Turkey · 9908 days ago · 10 km deep · 89 km away
  11. 4.28 km NNW of Akyaz?, Turkey · 9908 days ago · 6 km deep · 75 km away
  12. 4.16 km ENE of Köseköy, Turkey · 9908 days ago · 10 km deep · 32 km away
  13. 3.92 km ESE of Akyaz?, Turkey · 9908 days ago · 10 km deep · 79 km away
  14. 3.87 km N of Yalova, Turkey · 9908 days ago · 19 km deep · 36 km away
  15. 4.05 km SE of Kocadere, Turkey · 9908 days ago · 10 km deep · 54 km away
  16. 3.810 km S of Adapazar?, Turkey · 9908 days ago · 10 km deep · 60 km away
  17. 3.86 km NNW of Kirazl?, Turkey · 9908 days ago · 10 km deep · 84 km away
  18. 3.76 km SSE of Kaynarca, Turkey · 9908 days ago · 10 km deep · 62 km away
  19. 3.95 km S of Yuvac?k, Turkey · 9908 days ago · 10 km deep · 22 km away
  20. 4.47 km SSE of Akyaz?, Turkey · 9908 days ago · 10 km deep · 81 km away

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From the USGS Earthquake Hazards Program and its partner networks, event usp0009dcd. Read Fri, Oct 2, 2026, 6:27 PM UTC.