Greece earthquakes

M4.2 earthquake 5 km SW of Agriá, Greece

A magnitude 4.2 earthquake struck 5 km SW of Agriá, Greece on Tue, Oct 21, 1980, 4:35 AM GMT+2 (02:35 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 11 km ESE of Néa Anchiálos, 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
4.2 (mb), light
Local time
UTC
1980-10-21 02:35:43 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
39.299° N, 22.975° 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
Stations used
43

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.49 km S of Áno Lekhónia, Greece · 16780 days ago · 10 km deep · 9 km away
  2. 3.920 km N of Skiáthos, Greece · 16762 days ago · 10 km deep · 43 km away
  3. 3.311 km NNE of Argalastí, Greece · 16761 days ago · 10 km deep · 26 km away
  4. 3.54 km SSW of Agriá, Greece · 16760 days ago · 10 km deep · 2 km away
  5. 4.511 km ESE of Néa Anchiálos, Greece · 16755 days ago · 10 km deep · 9 km away
  6. 3.334 km NNW of Patitírion, Greece · 16721 days ago · 10 km deep · 69 km away

Before

  1. 3.56 km N of Argalastí, Greece · 16781 days ago · 10 km deep · 21 km away
  2. 3.34 km SE of Néa Anchiálos, Greece · 16781 days ago · 10 km deep · 11 km away
  3. 3.34 km SSW of Néa Anchiálos, Greece · 16793 days ago · 10 km deep · 16 km away
  4. 3.113 km ENE of Argalastí, Greece · 16797 days ago · 10 km deep · 32 km away
  5. 3.23 km WSW of Néa Anchiálos, Greece · 16797 days ago · 10 km deep · 17 km away
  6. 3.03 km WSW of Agriá, Greece · 16798 days ago · 10 km deep · 4 km away
  7. 3.53 km W of Néa Anchiálos, Greece · 16805 days ago · 33 km deep · 17 km away
  8. 4.59 km NNW of Evxinoúpolis, Greece · 16805 days ago · 42 km deep · 24 km away
  9. 3.26 km NNW of Soúrpi, Greece · 16809 days ago · 10 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001abp. Read Tue, Sep 29, 2026, 8:42 PM UTC.