Greece earthquakes

M3.4 earthquake 4 km NW of Megalópoli, Greece

A magnitude 3.4 earthquake struck 4 km NW of Megalópoli, Greece on Tue, Sep 10, 1991, 3:42 AM GMT+3 (00:42 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.3 43 km WNW of Filiatrá, Greece. This one was a foreshock.

Trípoli 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
3.4 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1991-09-10 00:42:10 UTC
Depth
20.7 km (12.9 mi), shallow
Epicenter
37.427° N, 22.100° 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.

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 3 in the 30 days before it.

After

  1. 3.95 km ENE of Áno Kastrítsi, Greece · 12799 days ago · 10 km deep · 97 km away
  2. 4.343 km WNW of Filiatrá, Greece · 12790 days ago · 51 km deep · 91 km away
  3. 3.941 km W of Filiatrá, Greece · 12779 days ago · 10 km deep · 89 km away
  4. 2.56 km E of Aíyira, Greece · 12778 days ago · 10 km deep · 84 km away
  5. 3.110 km NW of Kalávryta, Greece · 12777 days ago · 10 km deep · 75 km away
  6. 3.014 km SSW of Kalávryta, Greece · 12776 days ago · 10 km deep · 54 km away
  7. 3.447 km W of Filiatrá, Greece · 12776 days ago · 10 km deep · 100 km away
  8. 3.219 km SSE of Kalávryta, Greece · 12764 days ago · 10 km deep · 50 km away
  9. 3.29 km NE of Moláoi, Greece · 12763 days ago · 10 km deep · 94 km away
  10. 3.918 km W of Pýlos, Greece · 12751 days ago · 57 km deep · 81 km away
  11. 3.16 km SSW of Gargaliánoi, Greece · 12750 days ago · 33 km deep · 63 km away
  12. 3.38 km N of Chóra, Greece · 12750 days ago · 10 km deep · 47 km away

Before

  1. 3.513 km ENE of Trípoli, Greece · 12815 days ago · 33 km deep · 40 km away
  2. 3.012 km ESE of Néa Manoláda, Greece · 12822 days ago · 5 km deep · 83 km away
  3. 2.94 km W of Kamárai, Greece · 12837 days ago · 5 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004wfa. Read Sat, Oct 3, 2026, 9:08 AM UTC.