M4.0 earthquake 98 km S of Koróni, Greece
A magnitude 4.0 earthquake struck 98 km S of Koróni, Greece on Fri, Mar 23, 1973, 4:08 AM GMT+2 (02:08 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1973-03-23 02:08:30 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 35.920° N, 21.752° 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
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000011a. Read Wed, Sep 23, 2026, 4:23 AM UTC.