M2.0 earthquake 2 km ESE of Köseköy, Turkey

Magnitude

2.0 (Md, duration), micro

Magnitude from

USGS National Earthquake Information Center

Local time

Wed, Oct 3, 1990, 3:46 AM GMT+2

UTC

1990-10-03 01:46:31 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

40.734° N, 30.031° E

Region

Turkey

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

OPERATOR_ASSIGNED

• İzmit, TurkeyPopulation 196,571. Forecast9 kmESE
• Istanbul, TurkeyPopulation 15,701,602. Forecast96 kmESE

After

1. 2.92 km SSW of Yuvac?k, TurkeyWed, Oct 3, 3:51 AM GMT+2 · 13149 days ago · 10 km deep · 10 km away
2. 2.725 km NE of Ar?köy, TurkeyWed, Oct 3, 12:33 PM GMT+2 · 13148 days ago · 10 km deep · 100 km away
3. 2.610 km NNW of Geyve, TurkeyThu, Oct 4, 6:08 PM GMT+2 · 13147 days ago · 10 km deep · 23 km away
4. 2.71 km NE of Kar??yaka, TurkeyFri, Oct 5, 12:16 PM GMT+2 · 13146 days ago · 10 km deep · 7 km away
5. 2.21 km S of ?hsaniye, TurkeyFri, Oct 5, 2:14 PM GMT+2 · 13146 days ago · 10 km deep · 18 km away
6. 2.61 km SW of Yuvac?k, TurkeyFri, Oct 5, 5:11 PM GMT+2 · 13146 days ago · 10 km deep · 9 km away
7. 2.40 km NE of Bahçecik, TurkeySun, Oct 7, 12:55 AM GMT+2 · 13145 days ago · 10 km deep · 11 km away
8. 3.29 km SW of Sapanca, TurkeyMon, Oct 8, 7:50 AM GMT+2 · 13143 days ago · 10 km deep · 18 km away
9. 2.52 km S of Yuvac?k, TurkeyMon, Oct 8, 11:55 PM GMT+2 · 13143 days ago · 10 km deep · 9 km away
10. 2.1Western TurkeyTue, Oct 9, 12:28 PM GMT+2 · 13142 days ago · 10 km deep · 39 km away
11. 2.41 km NNW of Bahçecik, TurkeyThu, Oct 11, 10:11 AM GMT+2 · 13140 days ago · 10 km deep · 12 km away
12. 2.611 km SSW of Narl?ca, TurkeySat, Oct 13, 9:33 AM GMT+2 · 13138 days ago · 10 km deep · 70 km away
13. 2.310 km N of Kocadere, TurkeyWed, Oct 17, 7:21 AM GMT+2 · 13135 days ago · 10 km deep · 84 km away
14. 3.14 km SE of Bahçecik, TurkeyFri, Oct 19, 7:28 AM GMT+2 · 13133 days ago · 10 km deep · 12 km away
15. 2.42 km ENE of Alanyurt, TurkeyFri, Oct 19, 4:43 PM GMT+2 · 13132 days ago · 10 km deep · 80 km away
16. 2.16 km SSW of Yeni?ehir, TurkeySat, Oct 20, 5:58 AM GMT+2 · 13132 days ago · 10 km deep · 68 km away
17. 2.925 km WNW of ?ile, TurkeyThu, Oct 25, 7:00 PM GMT+2 · 13126 days ago · 10 km deep · 84 km away
18. 2.128 km NNW of ?ile, TurkeyFri, Oct 26, 12:45 AM GMT+2 · 13126 days ago · 10 km deep · 89 km away
19. 2.43 km NE of Gürsu, TurkeySat, Oct 27, 1:29 PM GMT+2 · 13124 days ago · 10 km deep · 87 km away
20. 2.11 km E of Koruköy, TurkeyMon, Oct 29, 12:57 PM GMT+2 · 13122 days ago · 10 km deep · 72 km away
21. 2.61 km W of Ç?narc?k, TurkeyMon, Oct 29, 9:57 PM GMT+2 · 13122 days ago · 10 km deep · 79 km away
22. 2.635 km NW of ?ile, TurkeyTue, Oct 30, 11:02 AM GMT+2 · 13121 days ago · 10 km deep · 96 km away
23. 2.637 km NE of Ar?köy, TurkeyTue, Oct 30, 11:03 AM GMT+2 · 13121 days ago · 10 km deep · 98 km away
24. 3.212 km NE of Köseköy, TurkeySun, Nov 4, 10:07 AM GMT+2 · 13116 days ago · 10 km deep · 12 km away
25. 1.910 km W of Yeni?ehir, TurkeySun, Nov 4, 3:34 PM GMT+2 · 13116 days ago · 10 km deep · 67 km away
26. 2.66 km SW of Küçükkumla, TurkeyMon, Nov 12, 3:05 AM GMT+2 · 13109 days ago · 5 km deep · 89 km away
27. 2.513 km NW of Hamzabey, TurkeyTue, Nov 13, 1:19 PM GMT+2 · 13107 days ago · 10 km deep · 78 km away
28. 2.05 km N of Gürsu, TurkeyThu, Nov 15, 11:45 AM GMT+2 · 13105 days ago · 10 km deep · 87 km away
29. 2.22 km SSE of Bahçecik, TurkeySat, Nov 17, 10:37 AM GMT+2 · 13103 days ago · 10 km deep · 13 km away
30. 2.40 km ESE of Kar??yaka, TurkeySat, Nov 17, 10:55 AM GMT+2 · 13103 days ago · 10 km deep · 8 km away
31. 2.08 km NE of Gürsu, TurkeyMon, Nov 19, 4:01 PM GMT+2 · 13101 days ago · 10 km deep · 82 km away
32. 1.97 km NE of Kestel, TurkeyThu, Nov 22, 11:54 AM GMT+2 · 13098 days ago · 10 km deep · 84 km away
33. 2.11 km NE of Kestel, TurkeySat, Nov 24, 3:00 AM GMT+2 · 13097 days ago · 10 km deep · 90 km away
34. 2.213 km SW of Adalan, TurkeySat, Nov 24, 4:37 AM GMT+2 · 13097 days ago · 10 km deep · 90 km away
35. 2.510 km NE of Kestel, TurkeySat, Nov 24, 11:56 AM GMT+2 · 13096 days ago · 10 km deep · 81 km away
36. 2.47 km NNE of Gürsu, TurkeySat, Nov 24, 1:40 PM GMT+2 · 13096 days ago · 10 km deep · 85 km away
37. 2.14 km S of Narl?ca, TurkeyMon, Nov 26, 12:04 PM GMT+2 · 13094 days ago · 10 km deep · 64 km away
38. 2.16 km NE of Tav?anl?, TurkeyWed, Nov 28, 12:46 PM GMT+2 · 13092 days ago · 10 km deep · 42 km away
39. 2.49 km WSW of Kocadere, TurkeyThu, Nov 29, 11:57 AM GMT+2 · 13091 days ago · 10 km deep · 94 km away
40. 2.010 km NNE of Mudanya, TurkeySat, Dec 1, 9:49 AM GMT+2 · 13089 days ago · 10 km deep · 99 km away
41. 2.68 km SSW of Kad?köy, TurkeySat, Dec 1, 10:17 AM GMT+2 · 13089 days ago · 10 km deep · 73 km away

Before

1. 2.0Western TurkeyTue, Oct 2, 1:03 PM GMT+2 · 13149 days ago · 10 km deep · 69 km away
2. 2.54 km SSW of Narl?ca, TurkeyMon, Oct 1, 11:22 AM GMT+2 · 13150 days ago · 10 km deep · 64 km away

From the USGS Earthquake Hazards Program and its partner networks, event usp0004faa. Read Fri, Oct 2, 2026, 5:19 PM UTC.