Greece earthquakes

M3.9 earthquake 13 km ESE of Kos, Greece

A magnitude 3.9 earthquake struck 13 km ESE of Kos, Greece on Sat, Oct 20, 1990, 1:02 PM GMT+2 (11:02 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.

Kos forecastMore in Greece

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
1990-10-20 11:02:29 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
36.832° N, 27.423° 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 4 in the 30 days before it.

After

  1. 3.810 km WSW of Archángelos, Greece · 13108 days ago · 10 km deep · 88 km away
  2. 3.820 km NNW of Marmaris, Turkey · 13103 days ago · 10 km deep · 69 km away
  3. 3.819 km NNW of Marmaris, Turkey · 13102 days ago · 7 km deep · 68 km away
  4. 3.58 km NNW of Megálo Chorió, Greece · 13099 days ago · 10 km deep · 88 km away
  5. 4.412 km NNW of Megálo Chorió, Greece · 13099 days ago · 13 km deep · 93 km away
  6. 3.740 km W of Émponas, Greece · 13099 days ago · 10 km deep · 71 km away
  7. 3.76 km S of Pátmos, Greece · 13097 days ago · 10 km deep · 92 km away
  8. 4.239 km SW of Mandráki, Greece · 13097 days ago · 131 km deep · 75 km away
  9. 3.333 km SW of Émponas, Greece · 13097 days ago · 10 km deep · 87 km away
  10. 3.211 km N of Turgut, Turkey · 13086 days ago · 33 km deep · 91 km away
  11. 3.85 km SE of Bodrum, Turkey · 13083 days ago · 10 km deep · 19 km away
  12. 4.06 km WNW of Émponas, Greece · 13078 days ago · 72 km deep · 73 km away

Before

  1. 3.949 km S of Mandráki, Greece · 13137 days ago · 10 km deep · 76 km away
  2. 3.757 km WSW of Émponas, Greece · 13138 days ago · 10 km deep · 87 km away
  3. 4.15 km ENE of Ródos, Greece · 13153 days ago · 33 km deep · 87 km away
  4. 3.755 km S of Mandráki, Greece · 13154 days ago · 10 km deep · 85 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004fz6. Read Sat, Oct 3, 2026, 8:11 AM UTC.