M3.3 earthquake 17 km S of Koróni, Greece
A magnitude 3.3 earthquake struck 17 km S of Koróni, Greece on Wed, Sep 12, 1990, 1:53 AM GMT+3 (22:53 UTC), 5 km (3 mi) below the surface.
A larger quake followed: M4.0 20 km WSW of Gargaliánoi, 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, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1990-09-11 22:53:08 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 36.637° N, 21.954° 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: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.740 km WSW of Methóni, Greece · 13169 days ago · 33 km deep · 59 km away
- 3.528 km W of Filiatrá, Greece · 13162 days ago · 10 km deep · 82 km away
- 4.020 km WSW of Gargaliánoi, Greece · 13160 days ago · 10 km deep · 64 km away
- 2.716 km NNE of Kopanáki, Greece · 13156 days ago · 10 km deep · 87 km away
- 3.814 km WSW of Filiatrá, Greece · 13154 days ago · 5 km deep · 68 km away
- 3.614 km SSE of Koróni, Greece · 13143 days ago · 33 km deep · 8 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0004ekz. Read Fri, Oct 2, 2026, 9:44 AM UTC.