M3.9 earthquake 14 km NE of Náfpaktos, Greece
A magnitude 3.9 earthquake struck 14 km NE of Náfpaktos, Greece on Mon, Dec 23, 1985, 8:16 PM GMT+2 (18:16 UTC), 28 km (18 mi) below the surface.
A larger quake followed: M4.7 14 km ENE of Thérmo, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1985-12-23 18:16:48 UTC
- Depth
- 28.3 km (17.6 mi), shallow
- Epicenter
- 38.501° N, 21.926° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.714 km ENE of Thérmo, Greece · 14882 days ago · 10 km deep · 14 km away
- 3.35 km SE of Limnokhórion, Greece · 14879 days ago · 10 km deep · 57 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002pam. Read Wed, Sep 30, 2026, 1:03 PM UTC.