M3.7 earthquake 6 km SSE of Mesolóngi, Greece
A magnitude 3.7 earthquake struck 6 km SSE of Mesolóngi, Greece on Thu, Aug 7, 1975, 4:00 AM GMT+3 (01:00 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, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-08-07 01:00:55 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 38.316° N, 21.465° 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: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.716 km N of Kamárai, Greece · 18683 days ago · 65 km deep · 50 km away
- 3.71 km SW of Antirrio, Greece · 18658 days ago · 33 km deep · 25 km away
- 4.911 km SE of Thérmo, Greece · 18647 days ago · 24 km deep · 35 km away
- 3.513 km W of Dimitsána, Greece · 18646 days ago · 16 km deep · 87 km away
- 4.69 km WSW of Lixoúri, Greece · 18643 days ago · 43 km deep · 100 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000cc6. Read Fri, Oct 2, 2026, 3:52 PM UTC.