M4.0 earthquake 7 km SSW of Küçükkumla, Turkey
A magnitude 4.0 earthquake struck 7 km SSW of Küçükkumla, Turkey on Thu, May 20, 1982, 5:42 AM GMT+3 (02:42 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.5 7 km NNW of Mudanya, Turkey. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1982-05-20 02:42:48 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 40.407° N, 29.057° 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: 2 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 usp0001me5. Read Tue, Sep 22, 2026, 11:15 AM UTC.