Greece earthquakes

M3.0 earthquake southern Greece

A magnitude 3.0 earthquake struck in southern Greece on Tue, Oct 20, 1981, 4:32 AM GMT+2 (02:32 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M4.1 27 km SE of Ýdra, Greece. This one was a foreshock.

Mégara 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1981-10-20 02:32:51 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
37.995° N, 23.298° 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: 2 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.77 km ENE of Erythrés, Greece · 16418 days ago · 33 km deep · 30 km away
  2. 4.127 km SE of Ýdra, Greece · 16410 days ago · 120 km deep · 98 km away

Before

  1. 4.214 km NNW of Kinéta, Greece · 16429 days ago · 33 km deep · 18 km away
  2. 3.62 km NNW of Áyios Thomás, Greece · 16431 days ago · 10 km deep · 42 km away
  3. 3.46 km W of Domvraína, Greece · 16439 days ago · 12 km deep · 45 km away
  4. 4.01 km WNW of Paralía Avlídhos, Greece · 16441 days ago · 10 km deep · 51 km away
  5. 3.54 km N of Erythrés, Greece · 16443 days ago · 23 km deep · 29 km away
  6. 3.96 km SW of Asopía, Greece · 16444 days ago · 28 km deep · 32 km away
  7. 3.41 km SW of Árma, Greece · 16444 days ago · 12 km deep · 41 km away
  8. 4.37 km W of Asopía, Greece · 16447 days ago · 27 km deep · 35 km away
  9. 3.96 km SSW of Politiká, Greece · 16450 days ago · 29 km deep · 64 km away
  10. 3.93 km NNE of Loukísia, Greece · 16451 days ago · 27 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001gjz. Read Mon, Oct 5, 2026, 3:43 AM UTC.