M4.0 earthquake 31 km WNW of Itháki, Greece
A magnitude 4.0 earthquake struck 31 km WNW of Itháki, Greece on Mon, Aug 3, 1987, 7:26 AM GMT+3 (04:26 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.3 34 km WNW of Itháki, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1987-08-03 04:26:19 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 38.514° N, 20.410° 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: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.334 km WNW of Itháki, Greece · 14302 days ago · 10 km deep · 3 km away
- 3.33 km SSE of Fyteíes, Greece · 14279 days ago · 10 km deep · 71 km away
- 4.32 km N of Argostólion, Greece · 14262 days ago · 22 km deep · 36 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000376q. Read Tue, Sep 29, 2026, 4:24 AM UTC.