M3.3 earthquake 7 km WSW of Koróni, Greece
A magnitude 3.3 earthquake struck 7 km WSW of Koróni, Greece on Fri, Sep 27, 1985, 4:18 AM GMT+3 (01:18 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.9 11 km SW of Paralía Vérgas, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1985-09-27 01:18:18 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 36.772° N, 21.877° 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: 3 in the 60 days after this one and 6 in the 30 days before it.
After
- 3.633 km SSW of Koróni, Greece · 14973 days ago · 33 km deep · 29 km away
- 3.911 km SW of Paralía Vérgas, Greece · 14933 days ago · 105 km deep · 25 km away
- 3.837 km SW of Methóni, Greece · 14916 days ago · 33 km deep · 49 km away
Before
- 4.555 km S of Methóni, Greece · 14980 days ago · 47 km deep · 54 km away
- 4.18 km SSE of Kyparissía, Greece · 14984 days ago · 61 km deep · 47 km away
- 4.034 km SW of Epitálio, Greece · 14989 days ago · 35 km deep · 93 km away
- 3.637 km WSW of Methóni, Greece · 14992 days ago · 33 km deep · 51 km away
- 3.433 km W of Filiatrá, Greece · 14992 days ago · 33 km deep · 76 km away
- 5.530 km SW of Epitálio, Greece · 14992 days ago · 31 km deep · 94 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002k61. Read Thu, Sep 24, 2026, 2:02 PM UTC.