M3.9 earthquake 10 km W of Bursa, Turkey
A magnitude 3.9 earthquake struck 10 km W of Bursa, Turkey on Tue, Jul 21, 1981, 12:43 PM GMT+3 (09:43 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.5 11 km W of Bursa, Turkey. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1981-07-21 09:43:38 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 40.209° N, 28.936° 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: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTurkey earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001euk. Read Tue, Sep 22, 2026, 10:37 AM UTC.