M4.0 earthquake 8 km N of Ayd?n, Turkey
A magnitude 4.0 earthquake struck 8 km N of Ayd?n, Turkey on Fri, Oct 28, 1977, 2:31 AM GMT+2 (00:31 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.3 7 km ENE of ?zmir, 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 (ML, local (Richter)), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-10-28 00:31:54 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 37.924° N, 27.835° 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
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.013 km SW of Bademli, Turkey · 17872 days ago · 12 km deep · 13 km away
- 4.010 km SSW of Tire, Turkey · 17859 days ago · 33 km deep · 14 km away
- 3.911 km NNE of Ayd?n, Turkey · 17845 days ago · 10 km deep · 4 km away
- 3.56 km NNE of ?ncirliova, Turkey · 17843 days ago · 10 km deep · 7 km away
- 4.65 km ESE of Karaba?lar, Turkey · 17829 days ago · 19 km deep · 73 km away
- 5.37 km ENE of ?zmir, Turkey · 17822 days ago · 34 km deep · 79 km away
Before
Earthquakes todayTurkey earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000r8m. Read Fri, Oct 2, 2026, 6:06 PM UTC.