M3.7 earthquake 17 km W of Filiatrá, Greece
A magnitude 3.7 earthquake struck 17 km W of Filiatrá, Greece on Fri, Jun 20, 1986, 3:48 AM GMT+3 (00:48 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 52 km SW of Lithakiá, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (ml), minor
- Local time
- UTC
- 1986-06-20 00:48:20 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 37.145° N, 21.385° 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 4 in the 30 days before it.
After
- 4.42 km NE of Zakynthos, Greece · 14693 days ago · 49 km deep · 83 km away
- 4.15 km SSE of Lithakiá, Greece · 14677 days ago · 33 km deep · 75 km away
- 3.327 km WSW of Filiatrá, Greece · 14675 days ago · 33 km deep · 12 km away
- 3.615 km NW of Filiatrá, Greece · 14675 days ago · 58 km deep · 13 km away
- 3.715 km N of Gaïtánion, Greece · 14671 days ago · 10 km deep · 97 km away
- 4.652 km SW of Lithakiá, Greece · 14665 days ago · 10 km deep · 92 km away
Before
- 3.733 km WSW of Gargaliánoi, Greece · 14712 days ago · 33 km deep · 26 km away
- 4.238 km W of Methóni, Greece · 14712 days ago · 46 km deep · 37 km away
- 3.8102 km WSW of Filiatrá, Greece · 14720 days ago · 10 km deep · 85 km away
- 4.442 km SSW of Lithakiá, Greece · 14735 days ago · 10 km deep · 66 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002v7h. Read Tue, Sep 29, 2026, 1:39 PM UTC.