M2.6 earthquake 1 km ESE of Çatalca, Turkey

Magnitude

2.6 (Md, duration), micro

Magnitude from

USGS National Earthquake Information Center

Local time

Thu, Feb 28, 1991, 5:02 PM GMT+2

UTC

1991-02-28 15:02:09 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

41.139° N, 28.477° E

Region

Turkey

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

OPERATOR_ASSIGNED

• Çatalca, TurkeyPopulation 39,678. Forecast1 kmE
• Büyükçekmece, TurkeyPopulation 163,140. Forecast16 kmNW
• Istanbul, TurkeyPopulation 15,701,602. Forecast42 kmWNW

After

1. 4.51 km SW of Kocadere, TurkeySun, Mar 3, 10:39 AM GMT+2 · 12997 days ago · 21 km deep · 73 km away
2. 4.516 km SSW of Marmara Ere?lisi, TurkeyFri, Mar 8, 11:23 AM GMT+2 · 12992 days ago · 11 km deep · 60 km away
3. 2.717 km SSE of Marmara Ere?lisi, TurkeyMon, Apr 8, 11:54 AM GMT+3 · 12961 days ago · 10 km deep · 52 km away
4. 2.819 km SSW of Marmara Ere?lisi, TurkeyTue, Apr 9, 3:47 PM GMT+3 · 12960 days ago · 10 km deep · 62 km away
5. 2.8Western TurkeyWed, Apr 10, 6:40 PM GMT+3 · 12959 days ago · 10 km deep · 93 km away
6. 2.51 km WNW of Kocadere, TurkeyThu, Apr 11, 3:34 AM GMT+3 · 12959 days ago · 10 km deep · 72 km away
7. 2.59 km NNE of Koruköy, TurkeyThu, Apr 11, 2:58 PM GMT+3 · 12958 days ago · 10 km deep · 76 km away
8. 2.73 km NE of Çatalca, TurkeyThu, Apr 11, 4:40 PM GMT+3 · 12958 days ago · 10 km deep · 3 km away
9. 2.79 km NNW of Marmara, TurkeyThu, Apr 11, 11:15 PM GMT+3 · 12958 days ago · 10 km deep · 97 km away
10. 2.6Western TurkeyFri, Apr 12, 5:05 AM GMT+3 · 12958 days ago · 10 km deep · 73 km away
11. 2.72 km NW of Muratbey, TurkeySat, Apr 13, 2:33 PM GMT+3 · 12956 days ago · 10 km deep · 3 km away
12. 2.44 km S of Yalova, TurkeySun, Apr 14, 1:05 PM GMT+3 · 12955 days ago · 10 km deep · 90 km away
13. 2.6Western TurkeyTue, Apr 16, 5:46 AM GMT+3 · 12954 days ago · 10 km deep · 74 km away
14. 2.83 km NE of Mudanya, TurkeyWed, Apr 17, 10:39 PM GMT+3 · 12952 days ago · 10 km deep · 90 km away
15. 2.43 km N of Ç?narc?k, TurkeyThu, Apr 18, 9:15 PM GMT+3 · 12951 days ago · 10 km deep · 75 km away
16. 2.811 km NNE of Mudanya, TurkeyFri, Apr 19, 2:12 PM GMT+3 · 12950 days ago · 10 km deep · 85 km away
17. 2.70 km ENE of Erdek, TurkeySun, Apr 21, 3:50 AM GMT+3 · 12949 days ago · 10 km deep · 100 km away
18. 2.611 km NE of Sancaktepe, TurkeySun, Apr 21, 4:46 PM GMT+3 · 12948 days ago · 10 km deep · 72 km away
19. 2.710 km SSW of Adalar, TurkeySun, Apr 21, 6:42 PM GMT+3 · 12948 days ago · 10 km deep · 65 km away
20. 2.617 km S of Marmara Ere?lisi, TurkeyMon, Apr 22, 9:48 AM GMT+3 · 12948 days ago · 10 km deep · 58 km away
21. 2.82 km S of Çatalca, TurkeyWed, Apr 24, 12:02 PM GMT+3 · 12945 days ago · 10 km deep · 2 km away
22. 2.72 km WSW of Ç?narc?k, TurkeyWed, Apr 24, 1:24 PM GMT+3 · 12945 days ago · 10 km deep · 77 km away
23. 3.030 km ENE of Ar?köy, TurkeyWed, Apr 24, 7:58 PM GMT+3 · 12945 days ago · 7 km deep · 75 km away
24. 2.84 km NE of Mudanya, TurkeyWed, Apr 24, 9:21 PM GMT+3 · 12945 days ago · 10 km deep · 90 km away
25. 2.71 km N of Muratbey, TurkeyThu, Apr 25, 4:18 PM GMT+3 · 12944 days ago · 10 km deep · 4 km away
26. 2.54 km WNW of Tav?anl?, TurkeyThu, Apr 25, 6:02 PM GMT+3 · 12944 days ago · 10 km deep · 90 km away
27. 3.02 km WNW of Ç?narc?k, TurkeyFri, Apr 26, 7:28 PM GMT+3 · 12943 days ago · 10 km deep · 75 km away
28. 2.81 km ESE of Çatalca, TurkeySat, Apr 27, 3:42 PM GMT+3 · 12942 days ago · 10 km deep · 1 km away
29. 2.58 km N of ?i?li, TurkeySat, Apr 27, 6:15 PM GMT+3 · 12942 days ago · 11 km deep · 41 km away

Before

1. 2.68 km WSW of Kocadere, TurkeyThu, Feb 28, 3:58 PM GMT+2 · 13000 days ago · 10 km deep · 70 km away
2. 2.45 km SW of ?çmeler, TurkeyWed, Feb 27, 1:38 PM GMT+2 · 13001 days ago · 10 km deep · 74 km away
3. 2.934 km NW of ?ile, TurkeyWed, Feb 27, 11:54 AM GMT+2 · 13001 days ago · 10 km deep · 81 km away
4. 2.833 km NW of ?ile, TurkeyWed, Feb 27, 11:52 AM GMT+2 · 13001 days ago · 10 km deep · 82 km away
5. 2.88 km N of Esenyurt, TurkeyFri, Feb 22, 3:03 PM GMT+2 · 13006 days ago · 10 km deep · 18 km away
6. 2.40 km WSW of Muratbey, TurkeyFri, Feb 22, 1:26 PM GMT+2 · 13006 days ago · 10 km deep · 5 km away
7. 2.812 km W of Küçükkumla, TurkeyFri, Feb 22, 7:55 AM GMT+2 · 13007 days ago · 10 km deep · 82 km away
8. 2.612 km SSE of Yakuplu, TurkeyWed, Feb 20, 7:34 PM GMT+2 · 13008 days ago · 5 km deep · 36 km away
9. 2.915 km S of Yakuplu, TurkeyWed, Feb 20, 6:43 PM GMT+2 · 13008 days ago · 5 km deep · 37 km away
10. 2.81 km SW of Beylikdüzü, TurkeyFri, Feb 15, 1:46 PM GMT+2 · 13013 days ago · 10 km deep · 23 km away
11. 2.92 km WSW of Ç?narc?k, TurkeyWed, Feb 13, 1:40 PM GMT+2 · 13015 days ago · 10 km deep · 76 km away
12. 4.818 km SW of K?nal?, TurkeyTue, Feb 12, 11:54 AM GMT+2 · 13016 days ago · 10 km deep · 49 km away
13. 3.014 km SW of Marmara Ere?lisi, TurkeyThu, Feb 7, 11:50 AM GMT+2 · 13021 days ago · 10 km deep · 60 km away
14. 2.61 km ESE of Küçükkumla, TurkeyFri, Feb 1, 10:53 PM GMT+2 · 13027 days ago · 10 km deep · 92 km away

From the USGS Earthquake Hazards Program and its partner networks, event usp0004nhd. Read Fri, Oct 2, 2026, 7:53 PM UTC.