M4.2 earthquake 100 km WSW of Kastrí, Greece
A magnitude 4.2 earthquake struck 100 km WSW of Kastrí, Greece on Thu, Sep 10, 1987, 7:03 AM GMT+3 (04:03 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.4 72 km WSW of Palaióchora, Greece. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-09-10 04:03:37 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.404° N, 23.116° 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 1 in the 30 days before it.
After
- 3.9104 km S of Kastrí, Greece · 14249 days ago · 33 km deep · 97 km away
- 4.472 km WSW of Palaióchora, Greece · 14237 days ago · 10 km deep · 65 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000389a. Read Sun, Oct 4, 2026, 2:00 AM UTC.