M3.3 earthquake 4 km W of Polykárpi, Greece
A magnitude 3.3 earthquake struck 4 km W of Polykárpi, Greece on Tue, Mar 23, 2004, 6:56 PM GMT+2 (16:56 UTC), 38 km (24 mi) below the surface.
A larger quake followed: M3.4 6 km S of Exaplátanos, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (md), minor
- Local time
- UTC
- 2004-03-23 16:56:34 UTC
- Depth
- 38.0 km (23.6 mi), shallow
- Epicenter
- 40.920° N, 21.960° 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.
- Station coverage gap
- 89°
- Stations used
- 8
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 3.46 km S of Exaplátanos, Greece · 8226 days ago · 20 km deep · 14 km away
- 3.017 km E of Grevená, Greece · 8190 days ago · 10 km deep · 97 km away
- 3.116 km SSE of Siátista, Greece · 8189 days ago · 19 km deep · 92 km away
Before
- 3.33 km NW of Prómachoi, Greece · 8230 days ago · 5 km deep · 14 km away
- 3.514 km SSE of Laimós, Greece · 8230 days ago · 10 km deep · 67 km away
- 3.74 km NW of Mándalo, Greece · 8232 days ago · 10 km deep · 18 km away
- 3.95 km SSE of Ápsalos, Greece · 8232 days ago · 8 km deep · 14 km away
- 3.09 km E of Livádi, Greece · 8243 days ago · 15 km deep · 93 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000cqpu. Read Wed, Sep 30, 2026, 8:34 PM UTC.