Greece earthquakes

M3.4 earthquake 8 km W of Katastárion, Greece

A magnitude 3.4 earthquake struck 8 km W of Katastárion, Greece on Sat, Mar 23, 1991, 10:42 AM GMT+2 (08:42 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.7 49 km WSW of Lixoúri, 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
3.4 (Md, duration), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1991-03-23 08:42:52 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
37.824° N, 20.662° 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: 16 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 3.312 km SSW of Katochí, Greece · 12959 days ago · 10 km deep · 71 km away
  2. 3.659 km SW of Lithakiá, Greece · 12955 days ago · 33 km deep · 60 km away
  3. 3.26 km SSE of Kandíla, Greece · 12951 days ago · 10 km deep · 96 km away
  4. 3.922 km WSW of Lixoúri, Greece · 12950 days ago · 6 km deep · 51 km away
  5. 4.749 km WSW of Lixoúri, Greece · 12948 days ago · 40 km deep · 64 km away
  6. 3.751 km SSE of Lithakiá, Greece · 12948 days ago · 10 km deep · 67 km away
  7. 3.728 km SW of Lixoúri, Greece · 12941 days ago · 10 km deep · 48 km away
  8. 3.112 km SW of Astakós, Greece · 12940 days ago · 10 km deep · 76 km away
  9. 3.5central Mediterranean Sea · 12937 days ago · 5 km deep · 92 km away
  10. 3.48 km S of Zacháro, Greece · 12936 days ago · 10 km deep · 98 km away
  11. 3.57 km SW of Zacháro, Greece · 12936 days ago · 10 km deep · 93 km away
  12. 3.516 km NE of Katastárion, Greece · 12934 days ago · 10 km deep · 22 km away
  13. 3.348 km WSW of Lixoúri, Greece · 12933 days ago · 10 km deep · 64 km away
  14. 3.634 km SW of Katastárion, Greece · 12927 days ago · 10 km deep · 28 km away
  15. 3.218 km ESE of Póros, Greece · 12926 days ago · 7 km deep · 38 km away
  16. 3.86 km SSE of Sámi, Greece · 12923 days ago · 16 km deep · 41 km away

Before

  1. 3.451 km WSW of Filiatrá, Greece · 12978 days ago · 11 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004pdu. Read Fri, Oct 2, 2026, 2:45 PM UTC.