M5.5 earthquake 23 km SSW of Argostólion, Greece
A magnitude 5.5 earthquake struck 23 km SSW of Argostólion, Greece on Sun, May 23, 1943, 12:05 AM GMT+2 (22:05 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M5.6 39 km SW of Lefkáda, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1943-05-22 22:05:43 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 37.992° N, 20.379° 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.
- 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: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem899850. Read Tue, Sep 29, 2026, 4:01 PM UTC.