M3.4 earthquake 52 km W of Eresós, Greece
A magnitude 3.4 earthquake struck 52 km W of Eresós, Greece on Fri, Oct 9, 1987, 5:31 AM GMT+2 (03:31 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.3 48 km WSW of Bozcaada, Turkey. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.4 (ml), minor
- Local time
- UTC
- 1987-10-09 03:31:10 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 39.214° N, 25.328° 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: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.413 km SSW of Eresós, Greece · 14235 days ago · 10 km deep · 50 km away
- 3.224 km SE of Skýros, Greece · 14232 days ago · 10 km deep · 67 km away
- 4.348 km WSW of Bozcaada, Turkey · 14231 days ago · 23 km deep · 51 km away
- 3.333 km E of Skýros, Greece · 14222 days ago · 33 km deep · 47 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0003937. Read Wed, Sep 30, 2026, 7:27 AM UTC.