M4.8 earthquake 10 km NW of Gökçeada, Turkey
A magnitude 4.8 earthquake struck 10 km NW of Gökçeada, Turkey on Thu, Sep 9, 1999, 11:15 AM GMT+3 (08:15 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1999-09-09 08:15:35 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 40.259° N, 25.813° E
- Region
- Turkey
- Strongest shaking
- V, moderate shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Some damage on Gokceada. Felt on Bozcaada, Limnos, Samothrace and Thasos. Felt at Alexandroupolis, Greece. Also felt at Ayvalik, Canakkale and in other parts of western Turkey.
From the USGS event page for usp0009e7m. U.S. Geological Survey text and figures are in the public domain.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 12.7% of gravity
- Peak ground velocity
- 1.7 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.718 km SSW of Alexandroupoli, Greece · 9875 days ago · 10 km deep · 49 km away
- 3.2Aegean Sea · 9867 days ago · 17 km deep · 45 km away
Before
Earthquakes todayTurkey earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0009e7m (also filed as atlas19990909081535). Read Sat, Oct 3, 2026, 5:37 AM UTC.