M3.9 earthquake 1 km S of Río, Greece
A magnitude 3.9 earthquake struck 1 km S of Río, Greece on Wed, Jun 25, 1986, 1:04 AM GMT+3 (22:04 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.5 19 km WNW of Neméa, 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
- 1986-06-24 22:04:30 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 38.282° N, 21.785° 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: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.519 km WNW of Neméa, Greece · 14695 days ago · 90 km deep · 73 km away
- 4.42 km NE of Zakynthos, Greece · 14692 days ago · 49 km deep · 93 km away
- 3.114 km S of Kyriáki, Greece · 14672 days ago · 10 km deep · 85 km away
- 3.715 km N of Gaïtánion, Greece · 14670 days ago · 10 km deep · 87 km away
- 3.218 km E of Sardínia, Greece · 14651 days ago · 10 km deep · 72 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002vcr. Read Mon, Sep 28, 2026, 8:55 AM UTC.