M3.9 earthquake 14 km NNE of Grammenítsa, Greece
A magnitude 3.9 earthquake struck 14 km NNE of Grammenítsa, Greece on Mon, Apr 16, 1973, 4:28 PM GMT+2 (14:28 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
- 3.9 (mb), minor
- Local time
- UTC
- 1973-04-16 14:28:43 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 39.310° N, 21.017° 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
- 8
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 2 in the 30 days before it.
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001e3. Read Tue, Sep 22, 2026, 8:21 PM UTC.