Greece earthquakes

M3.9 earthquake 4 km SSW of Pythagóreio, Greece

A magnitude 3.9 earthquake struck 4 km SSW of Pythagóreio, Greece on Thu, Nov 22, 1990, 1:00 AM GMT+2 (23:00 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.4 12 km NNW of Megálo Chorió, Greece. This one was a foreshock.

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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
3.9 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1990-11-21 23:00:06 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
37.656° N, 26.922° E
Region
Greece
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: 12 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.412 km NNW of Megálo Chorió, Greece · 13099 days ago · 13 km deep · 11 km away
  2. 3.76 km S of Pátmos, Greece · 13097 days ago · 10 km deep · 56 km away
  3. 3.44 km SW of Torbal?, Turkey · 13090 days ago · 33 km deep · 63 km away
  4. 3.89 km SSW of Menderes, Turkey · 13089 days ago · 10 km deep · 60 km away
  5. 3.112 km SW of Menderes, Turkey · 13089 days ago · 10 km deep · 58 km away
  6. 3.85 km SE of Bodrum, Turkey · 13082 days ago · 10 km deep · 88 km away
  7. 3.09 km SW of Ku?adas?, Turkey · 13075 days ago · 10 km deep · 27 km away
  8. 3.1Near the coast of western Turkey · 13059 days ago · 10 km deep · 91 km away
  9. 3.617 km SSW of Pátmos, Greece · 13054 days ago · 24 km deep · 68 km away
  10. 3.17 km SSW of Lakkí, Greece · 13054 days ago · 10 km deep · 65 km away
  11. 3.412 km WSW of Davutlar, Turkey · 13051 days ago · 33 km deep · 22 km away
  12. 3.016 km S of Alaçat?, Turkey · 13046 days ago · 5 km deep · 71 km away

Before

  1. 3.58 km NNW of Megálo Chorió, Greece · 13099 days ago · 10 km deep · 15 km away
  2. 3.510 km SE of Marathókampos, Greece · 13112 days ago · 10 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004h6u. Read Fri, Oct 2, 2026, 1:58 PM UTC.