M3.3 earthquake 16 km S of Skiáthos, Greece
A magnitude 3.3 earthquake struck 16 km S of Skiáthos, Greece on Tue, Jan 20, 1987, 4:20 AM GMT+2 (02:20 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.5 13 km N of Stylída, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-01-20 02:20:29 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 39.015° N, 23.521° 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 0 in the 30 days before it.
After
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00031sj. Read Thu, Oct 1, 2026, 3:39 AM UTC.