M3.4 earthquake 39 km W of Eresós, Greece
A magnitude 3.4 earthquake struck 39 km W of Eresós, Greece on Thu, Aug 20, 1987, 11:21 PM GMT+3 (20:21 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 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-08-20 20:21:06 UTC
- Depth
- 10.2 km (6.3 mi), shallow
- Epicenter
- 39.159° N, 25.475° 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: 7 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.453 km NNE of Skýros, Greece · 14278 days ago · 9 km deep · 56 km away
- 3.542 km W of Eresós, Greece · 14254 days ago · 11 km deep · 9 km away
- 3.247 km W of Eresós, Greece · 14250 days ago · 11 km deep · 12 km away
- 3.452 km W of Eresós, Greece · 14238 days ago · 10 km deep · 14 km away
- 3.413 km SSW of Eresós, Greece · 14237 days ago · 10 km deep · 36 km away
- 3.224 km SE of Skýros, Greece · 14234 days ago · 10 km deep · 73 km away
- 4.348 km WSW of Bozcaada, Turkey · 14233 days ago · 23 km deep · 53 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00037p0. Read Fri, Oct 2, 2026, 11:43 AM UTC.