M3.7 earthquake 1 km SW of Antirrio, Greece
A magnitude 3.7 earthquake struck 1 km SW of Antirrio, Greece on Tue, Sep 2, 1975, 10:35 PM GMT+3 (19:35 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 11 km SE of Thérmo, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (mb), minor
- Local time
- UTC
- 1975-09-02 19:35:25 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 38.321° N, 21.756° 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
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.911 km SE of Thérmo, Greece · 18644 days ago · 24 km deep · 22 km away
- 3.513 km W of Dimitsána, Greece · 18643 days ago · 16 km deep · 80 km away
- 3.513 km WSW of Lidoríki, Greece · 18621 days ago · 53 km deep · 32 km away
- 4.04 km NE of Kamárai, Greece · 18611 days ago · 68 km deep · 25 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000cph. Read Tue, Sep 29, 2026, 7:08 PM UTC.