M3.9 earthquake 8 km WSW of Mandráki, Greece
A magnitude 3.9 earthquake struck 8 km WSW of Mandráki, Greece on Fri, Sep 4, 1987, 12:02 AM GMT+3 (21:02 UTC), 150 km (93 mi) below the surface.
A larger quake followed: M4.3 1 km WSW of Kremastí, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1987-09-03 21:02:23 UTC
- Depth
- 150.3 km (93.4 mi), intermediate-depth
- Epicenter
- 36.577° N, 27.051° 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
- FROM_LOCATION
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 2 in the 30 days before it.
After
- 4.31 km WSW of Kremastí, Greece · 14232 days ago · 33 km deep · 96 km away
- 3.53 km S of Kremastí, Greece · 14229 days ago · 33 km deep · 98 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000382j. Read Tue, Sep 22, 2026, 11:32 PM UTC.