M4.0 earthquake 42 km WSW of Katastárion, Greece
A magnitude 4.0 earthquake struck 42 km WSW of Katastárion, Greece on Mon, Jun 20, 1983, 1:25 PM GMT+3 (10:25 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.3 22 km WSW of Lixoúri, 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
- 1983-06-20 10:25:36 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 37.756° N, 20.286° 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 11 in the 30 days before it.
After
- 3.824 km W of Lixoúri, Greece · 15795 days ago · 10 km deep · 50 km away
- 4.322 km WSW of Lixoúri, Greece · 15795 days ago · 10 km deep · 40 km away
- 4.024 km N of Lixoúri, Greece · 15782 days ago · 10 km deep · 74 km away
- 3.460 km SSW of Lixoúri, Greece · 15771 days ago · 10 km deep · 20 km away
- 4.248 km WSW of Katastárion, Greece · 15769 days ago · 10 km deep · 7 km away
- 3.721 km SW of Lixoúri, Greece · 15754 days ago · 10 km deep · 33 km away
Before
- 4.362 km WSW of Filiatrá, Greece · 15810 days ago · 50 km deep · 98 km away
- 4.2Ionian Sea · 15813 days ago · 10 km deep · 27 km away
- 4.532 km NNW of Lixoúri, Greece · 15818 days ago · 10 km deep · 80 km away
- 4.439 km WNW of Lixoúri, Greece · 15824 days ago · 10 km deep · 72 km away
- 3.77 km WNW of Póros, Greece · 15824 days ago · 10 km deep · 60 km away
- 4.151 km WSW of Lixoúri, Greece · 15826 days ago · 10 km deep · 38 km away
- 4.719 km NW of Lixoúri, Greece · 15830 days ago · 10 km deep · 63 km away
- 3.934 km W of Lixoúri, Greece · 15831 days ago · 10 km deep · 51 km away
- 4.514 km NNE of Katastárion, Greece · 15835 days ago · 10 km deep · 52 km away
- 4.517 km NW of Lixoúri, Greece · 15835 days ago · 10 km deep · 62 km away
- 3.527 km W of Lixoúri, Greece · 15837 days ago · 10 km deep · 46 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001w7d. Read Wed, Sep 30, 2026, 10:20 AM UTC.