M7.3 earthquake 4 km WNW of Koróni, Greece
A magnitude 7.3 earthquake struck 4 km WNW of Koróni, Greece on Mon, Oct 6, 1947, 9:55 PM GMT+2 (19:55 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.3 (mw), major
- Local time
- UTC
- 1947-10-06 19:55:37 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 36.808° N, 21.916° E
- Region
- Greece
- Strongest shaking
- VII, very strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 33.5% of gravity
- Peak ground velocity
- 3.4 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem898058. Read Tue, Sep 22, 2026, 7:51 PM UTC.