Turkey earthquakes

M4.8 earthquake 7 km NNE of Marmara, Turkey

A magnitude 4.8 earthquake struck 7 km NNE of Marmara, Turkey on Tue, Sep 21, 1999, 12:27 AM GMT+3 (21:27 UTC), 10 km (6 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.8 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1999-09-20 21:27:59 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
40.644° N, 27.589° E
Region
Turkey
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

Felt at Alexandroupolis and Komotini, Greece.

From the USGS event page for usp0009era. U.S. Geological Survey text and figures are in the public domain.

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: 10 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.713 km NNE of Marmara, Turkey · 9874 days ago · 8 km deep · 7 km away
  2. 3.214 km NNE of Marmara, Turkey · 9874 days ago · 6 km deep · 8 km away
  3. 2.8Western Turkey · 9874 days ago · 9 km deep · 7 km away
  4. 3.318 km SE of Kumba?, Turkey · 9874 days ago · 19 km deep · 15 km away
  5. 2.811 km ESE of Kumba?, Turkey · 9855 days ago · 6 km deep · 20 km away
  6. 2.78 km SW of Manyas, Turkey · 9851 days ago · 0 km deep · 77 km away
  7. 3.531 km NNW of Biga, Turkey · 9845 days ago · 11 km deep · 42 km away
  8. 3.017 km SSE of Kumba?, Turkey · 9839 days ago · 5 km deep · 12 km away
  9. 2.814 km SSE of Kumba?, Turkey · 9834 days ago · 4 km deep · 14 km away
  10. 2.914 km SSE of Beylikdüzü, Turkey · 9822 days ago · 5 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0009era. Read Sat, Oct 3, 2026, 6:45 AM UTC.