M4.0 earthquake 108 km S of Pýrgos, Greece
A magnitude 4.0 earthquake struck 108 km S of Pýrgos, Greece on Wed, Aug 26, 1981, 12:28 AM GMT+3 (21:28 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 110 km S of Néa Anatolí, Greece. This one was a foreshock.
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
- 1981-08-25 21:28:37 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.028° N, 25.236° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.259 km S of Pýrgos, Greece · 16455 days ago · 33 km deep · 50 km away
- 4.123 km S of Pýrgos, Greece · 16453 days ago · 55 km deep · 86 km away
- 4.918 km SSW of Pýrgos, Greece · 16452 days ago · 44 km deep · 93 km away
- 4.630 km SSW of Pýrgos, Greece · 16452 days ago · 43 km deep · 82 km away
- 3.512 km SSW of Pýrgos, Greece · 16452 days ago · 33 km deep · 98 km away
- 4.236 km SSW of Pýrgos, Greece · 16452 days ago · 36 km deep · 78 km away
- 5.2110 km S of Néa Anatolí, Greece · 16436 days ago · 33 km deep · 36 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001fg9. Read Wed, Sep 30, 2026, 12:01 AM UTC.