M3.1 earthquake 31 km S of Sykiá, Greece
A magnitude 3.1 earthquake struck 31 km S of Sykiá, Greece on Sat, Apr 11, 1987, 6:50 AM GMT+3 (03:50 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.5 38 km S of Sykiá, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-04-11 03:50:45 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 39.757° N, 23.950° 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: 2 in the 60 days after this one and 7 in the 30 days before it.
After
- 3.538 km S of Sykiá, Greece · 14408 days ago · 10 km deep · 9 km away
- 3.142 km NNE of Skýros, Greece · 14366 days ago · 5 km deep · 92 km away
Before
- 3.637 km S of Sykiá, Greece · 14424 days ago · 15 km deep · 10 km away
- 3.033 km SE of Pefkochóri, Greece · 14427 days ago · 5 km deep · 10 km away
- 3.033 km S of Sykiá, Greece · 14428 days ago · 10 km deep · 3 km away
- 3.228 km SSW of Sykiá, Greece · 14429 days ago · 13 km deep · 9 km away
- 3.018 km SSE of Sykiá, Greece · 14435 days ago · 6 km deep · 18 km away
- 3.13 km SSE of Sykiá, Greece · 14435 days ago · 10 km deep · 28 km away
- 3.018 km NNW of Patitírion, Greece · 14447 days ago · 10 km deep · 52 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000342q. Read Sat, Oct 3, 2026, 7:51 AM UTC.