M2.7 earthquake 3 km ESE of Çatalca, Turkey

Magnitude

2.7 (Md, duration), micro

Magnitude from

USGS National Earthquake Information Center

Local time

Tue, Jun 18, 1991, 6:33 PM GMT+3

UTC

1991-06-18 15:33:01 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

41.135° N, 28.498° E

Region

Turkey

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

OPERATOR_ASSIGNED

• Çatalca, TurkeyPopulation 39,678. Forecast3 kmE
• Büyükçekmece, TurkeyPopulation 163,140. Forecast15 kmNNW
• Istanbul, TurkeyPopulation 15,701,602. Forecast40 kmWNW

After

1. 2.77 km S of Adalar, TurkeyWed, Jun 19, 6:42 AM GMT+3 · 12892 days ago · 10 km deep · 65 km away
2. 2.611 km N of Marmara, TurkeyWed, Jun 19, 6:27 PM GMT+3 · 12892 days ago · 10 km deep · 95 km away
3. 3.217 km NNE of Marmara, TurkeyThu, Jun 20, 11:01 AM GMT+3 · 12891 days ago · 10 km deep · 84 km away
4. 2.55 km N of Çatalca, TurkeyThu, Jun 20, 5:22 PM GMT+3 · 12891 days ago · 10 km deep · 7 km away
5. 2.82 km WNW of Ç?narc?k, TurkeyFri, Jun 21, 11:35 AM GMT+3 · 12890 days ago · 10 km deep · 73 km away
6. 2.913 km NNW of Kavakl?, TurkeyFri, Jun 21, 7:50 PM GMT+3 · 12890 days ago · 10 km deep · 20 km away
7. 3.141 km SSW of Beylikdüzü, TurkeyMon, Jun 24, 12:42 PM GMT+3 · 12887 days ago · 10 km deep · 57 km away
8. 3.020 km WNW of Mudanya, TurkeyTue, Jun 25, 5:53 AM GMT+3 · 12886 days ago · 10 km deep · 80 km away
9. 2.727 km S of Marmara Ere?lisi, TurkeyTue, Jun 25, 9:03 PM GMT+3 · 12886 days ago · 10 km deep · 67 km away
10. 2.732 km SSE of Marmara Ere?lisi, TurkeyTue, Jun 25, 9:33 PM GMT+3 · 12886 days ago · 10 km deep · 58 km away
11. 2.926 km ENE of Ar?köy, TurkeyFri, Jun 28, 11:05 AM GMT+3 · 12883 days ago · 10 km deep · 69 km away
12. 3.037 km NE of Ar?köy, TurkeyFri, Jun 28, 11:09 AM GMT+3 · 12883 days ago · 10 km deep · 77 km away
13. 3.02 km SE of Ç?narc?k, TurkeySun, Jun 30, 2:21 AM GMT+3 · 12882 days ago · 10 km deep · 78 km away
14. 2.49 km NNW of Koruköy, TurkeySun, Jun 30, 11:12 PM GMT+3 · 12881 days ago · 10 km deep · 69 km away
15. 2.47 km NNW of Ç?narc?k, TurkeySun, Jun 30, 11:14 PM GMT+3 · 12881 days ago · 10 km deep · 69 km away
16. 2.610 km NNW of Koruköy, TurkeySun, Jun 30, 11:26 PM GMT+3 · 12881 days ago · 10 km deep · 69 km away
17. 2.82 km NE of Çatalca, TurkeyThu, Jul 4, 5:39 PM GMT+3 · 12877 days ago · 10 km deep · 3 km away
18. 2.88 km NNW of Ç?narc?k, TurkeyFri, Jul 5, 6:04 AM GMT+3 · 12876 days ago · 10 km deep · 67 km away
19. 2.69 km NE of Çatalca, TurkeyThu, Jul 11, 5:36 PM GMT+3 · 12870 days ago · 10 km deep · 9 km away
20. 2.62 km ENE of Çatalca, TurkeyThu, Jul 11, 5:55 PM GMT+3 · 12870 days ago · 10 km deep · 2 km away
21. 2.80 km E of Çatalca, TurkeyFri, Jul 12, 5:53 PM GMT+3 · 12869 days ago · 10 km deep · 3 km away
22. 2.98 km SW of Arnavutköy, TurkeyFri, Jul 12, 7:23 PM GMT+3 · 12869 days ago · 10 km deep · 15 km away
23. 2.73 km N of Tav?anc?l, TurkeySat, Jul 13, 4:58 PM GMT+3 · 12868 days ago · 10 km deep · 97 km away
24. 2.90 km SW of Çatalca, TurkeyTue, Jul 16, 5:12 PM GMT+3 · 12865 days ago · 10 km deep · 4 km away
25. 2.31 km NW of Balç?k, TurkeyWed, Jul 17, 3:25 PM GMT+3 · 12864 days ago · 10 km deep · 82 km away
26. 2.514 km NE of Sancaktepe, TurkeySun, Jul 21, 8:51 PM GMT+3 · 12860 days ago · 10 km deep · 73 km away
27. 2.47 km N of Küçükkumla, TurkeyMon, Jul 22, 1:48 PM GMT+3 · 12859 days ago · 10 km deep · 84 km away
28. 2.712 km NNE of Tav?anl?, TurkeyTue, Jul 23, 4:33 PM GMT+3 · 12858 days ago · 10 km deep · 94 km away
29. 2.518 km E of Kumba?, TurkeyFri, Jul 26, 2:36 AM GMT+3 · 12856 days ago · 10 km deep · 76 km away
30. 2.62 km NNW of Tav?anl?, TurkeyFri, Jul 26, 12:47 PM GMT+3 · 12855 days ago · 10 km deep · 91 km away
31. 2.88 km N of Esenyurt, TurkeySun, Jul 28, 12:59 PM GMT+3 · 12853 days ago · 10 km deep · 14 km away
32. 2.411 km NNW of Yalova, TurkeyMon, Jul 29, 1:47 AM GMT+3 · 12853 days ago · 10 km deep · 74 km away

Before

1. 2.78 km N of Esenyurt, TurkeyTue, Jun 18, 1:28 PM GMT+3 · 12893 days ago · 10 km deep · 15 km away
2. 3.14 km W of Ata?ehir, TurkeyTue, Jun 18, 11:14 AM GMT+3 · 12893 days ago · 10 km deep · 50 km away
3. 2.723 km SSE of Marmara Ere?lisi, TurkeyMon, Jun 17, 10:46 AM GMT+3 · 12894 days ago · 10 km deep · 51 km away
4. 3.03 km SSW of Ar?köy, TurkeySat, Jun 15, 3:55 PM GMT+3 · 12896 days ago · 10 km deep · 41 km away
5. 3.111 km SSW of Kumba?, TurkeyThu, Jun 13, 5:58 PM GMT+3 · 12898 days ago · 10 km deep · 100 km away
6. 3.019 km WNW of Mudanya, TurkeyThu, Jun 13, 3:40 PM GMT+3 · 12898 days ago · 10 km deep · 78 km away
7. 2.412 km SW of Kocadere, TurkeySat, Jun 8, 5:32 PM GMT+3 · 12903 days ago · 10 km deep · 75 km away
8. 2.46 km SW of Arnavutköy, TurkeyWed, Jun 5, 1:18 PM GMT+3 · 12906 days ago · 10 km deep · 16 km away
9. 2.624 km ESE of Kumba?, TurkeyTue, Jun 4, 1:45 AM GMT+3 · 12908 days ago · 10 km deep · 74 km away
10. 2.35 km E of Arnavutköy, TurkeyMon, Jun 3, 5:35 PM GMT+3 · 12908 days ago · 10 km deep · 26 km away
11. 2.815 km NNE of Vize, TurkeyMon, Jun 3, 1:01 PM GMT+3 · 12908 days ago · 10 km deep · 81 km away
12. 2.55 km ENE of Çatalca, TurkeySun, Jun 2, 11:56 AM GMT+3 · 12909 days ago · 10 km deep · 4 km away
13. 2.53 km W of Ar?köy, TurkeySat, Jun 1, 7:09 PM GMT+3 · 12910 days ago · 10 km deep · 40 km away
14. 2.69 km N of Band?rma, TurkeyThu, May 30, 6:40 PM GMT+3 · 12912 days ago · 10 km deep · 89 km away
15. 2.61 km SSE of Çatalca, TurkeyWed, May 29, 4:22 PM GMT+3 · 12913 days ago · 10 km deep · 2 km away
16. 2.61 km E of Çatalca, TurkeyTue, May 28, 4:18 PM GMT+3 · 12914 days ago · 10 km deep · 2 km away
17. 2.72 km SSE of Çatalca, TurkeySun, May 26, 6:10 PM GMT+3 · 12916 days ago · 10 km deep · 2 km away
18. 2.48 km WNW of Band?rma, TurkeyFri, May 24, 10:55 PM GMT+3 · 12918 days ago · 10 km deep · 99 km away
19. 2.85 km NNE of Koruköy, TurkeyFri, May 24, 3:54 PM GMT+3 · 12918 days ago · 10 km deep · 75 km away
20. 2.62 km WNW of Kocadere, TurkeyFri, May 24, 2:29 AM GMT+3 · 12919 days ago · 10 km deep · 69 km away

From the USGS Earthquake Hazards Program and its partner networks, event usp0004t43. Read Mon, Oct 5, 2026, 12:51 PM UTC.