M3.2 earthquake 21 km SSE of Biga, Turkey

Magnitude

3.2 (Md, duration), minor

Magnitude from

USGS National Earthquake Information Center

Local time

Thu, Jul 25, 1991, 12:11 PM GMT+3

UTC

1991-07-25 09:11:15 UTC

Depth

10.0 km (6.2 mi), shallow

Epicenter

40.065° N, 27.371° E

Region

Turkey

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

OPERATOR_ASSIGNED

• Biga, TurkeyPopulation 61,066. Forecast21 kmSSE
• Bandırma, TurkeyPopulation 107,631. Forecast61 kmWSW
• Bursa, TurkeyPopulation 3,101,833. Forecast144 kmW

After

1. 2.518 km E of Kumba?, TurkeyFri, Jul 26, 2:36 AM GMT+3 · 12855 days ago · 10 km deep · 91 km away
2. 3.218 km ESE of Sava?tepe, TurkeyWed, Jul 31, 9:05 PM GMT+3 · 12849 days ago · 10 km deep · 94 km away
3. 4.017 km ENE of Sava?tepe, TurkeyTue, Sep 10, 4:47 AM GMT+3 · 12809 days ago · 10 km deep · 80 km away

Before

1. 2.67 km W of Sava?tepe, TurkeyTue, Jul 23, 7:49 PM GMT+3 · 12857 days ago · 10 km deep · 77 km away
2. 2.621 km ESE of Sava?tepe, TurkeyMon, Jul 22, 10:51 PM GMT+3 · 12858 days ago · 10 km deep · 96 km away
3. 2.820 km SW of Bigadiç, TurkeyMon, Jul 22, 4:03 PM GMT+3 · 12858 days ago · 10 km deep · 99 km away
4. 3.118 km SW of Bigadiç, TurkeyMon, Jul 22, 9:17 AM GMT+3 · 12859 days ago · 10 km deep · 100 km away
5. 2.917 km SE of Sava?tepe, TurkeyMon, Jul 22, 8:00 AM GMT+3 · 12859 days ago · 10 km deep · 95 km away
6. 3.113 km ESE of Sava?tepe, TurkeyMon, Jul 22, 5:13 AM GMT+3 · 12859 days ago · 10 km deep · 90 km away
7. 2.515 km SE of Sava?tepe, TurkeyMon, Jul 22, 5:12 AM GMT+3 · 12859 days ago · 10 km deep · 93 km away
8. 2.815 km SE of Sava?tepe, TurkeyMon, Jul 22, 4:00 AM GMT+3 · 12859 days ago · 10 km deep · 93 km away
9. 3.120 km WSW of Bigadiç, TurkeyMon, Jul 22, 3:54 AM GMT+3 · 12859 days ago · 10 km deep · 93 km away
10. 4.019 km ESE of Sava?tepe, TurkeyMon, Jul 22, 3:49 AM GMT+3 · 12859 days ago · 9 km deep · 92 km away
11. 3.114 km S of Tatkavakl?, TurkeySat, Jul 20, 4:34 PM GMT+3 · 12860 days ago · 5 km deep · 84 km away
12. 3.222 km WNW of Gelibolu, TurkeyFri, Jul 19, 3:09 PM GMT+3 · 12861 days ago · 10 km deep · 93 km away
13. 3.322 km WNW of Gelibolu, TurkeyFri, Jul 19, 3:01 PM GMT+3 · 12861 days ago · 10 km deep · 93 km away
14. 3.29 km NW of Bal?kesir, TurkeyTue, Jul 16, 4:57 AM GMT+3 · 12865 days ago · 10 km deep · 54 km away
15. 2.820 km NNW of Biga, TurkeySat, Jul 13, 1:12 AM GMT+3 · 12868 days ago · 10 km deep · 41 km away
16. 3.43 km SSE of Ayvac?k, TurkeyFri, Jul 12, 8:24 AM GMT+3 · 12869 days ago · 10 km deep · 97 km away
17. 2.918 km NE of Hamdibey, TurkeyMon, Jul 8, 2:53 AM GMT+3 · 12873 days ago · 10 km deep · 12 km away
18. 3.516 km SE of Sava?tepe, TurkeyMon, Jul 8, 12:18 AM GMT+3 · 12873 days ago · 10 km deep · 94 km away
19. 3.112 km NE of Bergama, TurkeyWed, Jul 3, 4:41 PM GMT+3 · 12877 days ago · 10 km deep · 97 km away
20. 2.49 km SSW of Erdek, TurkeyMon, Jul 1, 9:36 PM GMT+3 · 12879 days ago · 10 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event usp0004umd. Read Sun, Oct 4, 2026, 7:58 PM UTC.