M4.0 earthquake 4 km NNW of Alt?nyayla, Turkey
A magnitude 4.0 earthquake struck 4 km NNW of Alt?nyayla, Turkey on Tue, Aug 7, 1990, 4:09 PM GMT+3 (13:09 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 10 km ENE of Gölhisar, 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 (Md, duration), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1990-08-07 13:09:19 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 37.035° N, 29.529° 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: 10 in the 60 days after this one and 7 in the 30 days before it.
After
- 3.93 km NNE of Alt?nyayla, Turkey · 13198 days ago · 14 km deep · 4 km away
- 4.012 km ESE of Gölhisar, Turkey · 13197 days ago · 10 km deep · 11 km away
- 3.714 km NNE of Kalkan, Turkey · 13196 days ago · 10 km deep · 73 km away
- 4.03 km SE of Alt?nyayla, Turkey · 13194 days ago · 37 km deep · 7 km away
- 4.09 km WNW of Alt?nyayla, Turkey · 13182 days ago · 10 km deep · 7 km away
- 4.12 km NNW of Alt?nyayla, Turkey · 13181 days ago · 25 km deep · 2 km away
- 4.08 km N of Alt?nyayla, Turkey · 13180 days ago · 10 km deep · 5 km away
- 4.710 km ENE of Gölhisar, Turkey · 13175 days ago · 24 km deep · 18 km away
- 4.012 km SW of Gölhisar, Turkey · 13150 days ago · 10 km deep · 12 km away
- 4.03 km WNW of Alt?nyayla, Turkey · 13149 days ago · 10 km deep · 3 km away
Before
- 4.02 km NW of Alt?nyayla, Turkey · 13212 days ago · 20 km deep · 2 km away
- 4.18 km NW of Alt?nyayla, Turkey · 13214 days ago · 10 km deep · 4 km away
- 3.82 km NW of Alt?nyayla, Turkey · 13227 days ago · 10 km deep · 2 km away
- 4.25 km N of Alt?nyayla, Turkey · 13227 days ago · 22 km deep · 2 km away
- 4.26 km N of Alt?nyayla, Turkey · 13227 days ago · 10 km deep · 2 km away
- 4.34 km NE of Alt?nyayla, Turkey · 13227 days ago · 10 km deep · 5 km away
- 5.54 km E of Alt?nyayla, Turkey · 13227 days ago · 17 km deep · 8 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0004d2m. Read Sun, Oct 4, 2026, 6:56 PM UTC.