M3.1 earthquake 16 km NE of Argalastí, Greece
A magnitude 3.1 earthquake struck 16 km NE of Argalastí, Greece on Sun, Sep 20, 1981, 10:15 PM GMT+3 (19:15 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.9 6 km SSW of Politiká, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ml), minor
- Local time
- UTC
- 1981-09-20 19:15:45 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 39.344° N, 23.327° 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: 5 in the 60 days after this one and 6 in the 30 days before it.
After
- 3.96 km SSW of Politiká, Greece · 16445 days ago · 29 km deep · 91 km away
- 3.543 km ENE of Patitírion, Greece · 16422 days ago · 10 km deep · 84 km away
- 3.26 km SSE of Velestíno, Greece · 16410 days ago · 33 km deep · 47 km away
- 3.111 km ENE of Vamvakoú, Greece · 16410 days ago · 33 km deep · 67 km away
- 3.46 km ENE of Kallithéa, Greece · 16394 days ago · 12 km deep · 85 km away
Before
- 3.239 km N of Skiáthos, Greece · 16445 days ago · 10 km deep · 28 km away
- 3.240 km ENE of Zagorá, Greece · 16446 days ago · 10 km deep · 33 km away
- 3.93 km NNE of Loukísia, Greece · 16446 days ago · 27 km deep · 93 km away
- 2.939 km S of Pefkochóri, Greece · 16472 days ago · 10 km deep · 38 km away
- 2.814 km NNE of Skiáthos, Greece · 16474 days ago · 33 km deep · 20 km away
- 4.616 km NE of Skiáthos, Greece · 16475 days ago · 18 km deep · 28 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001g09. Read Wed, Sep 30, 2026, 1:33 AM UTC.