M4.6 earthquake 10 km NW of Dursunbey, Turkey
A magnitude 4.6 earthquake struck 10 km NW of Dursunbey, Turkey on Wed, Mar 23, 1977, 1:55 PM GMT+2 (11:55 UTC), 23 km (14 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1977-03-23 11:55:53 UTC
- Depth
- 23.0 km (14.3 mi), shallow
- Epicenter
- 39.659° N, 28.547° E
- Region
- Turkey
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 6.6% of gravity
- Peak ground velocity
- 0.8 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 43
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000n2x. Read Wed, Sep 30, 2026, 6:42 PM UTC.