M4.0 earthquake 76 km WSW of Kastrí, Greece
A magnitude 4.0 earthquake struck 76 km WSW of Kastrí, Greece on Mon, Apr 13, 1987, 3:31 AM GMT+3 (00:31 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.5 70 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
- 4.0 (mb), light
- Local time
- UTC
- 1987-04-13 00:31:57 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.604° N, 23.302° 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: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.570 km WSW of Palaióchora, Greece · 14397 days ago · 33 km deep · 65 km away
- 3.492 km WSW of Palaióchora, Greece · 14396 days ago · 10 km deep · 72 km away
- 4.244 km SW of Palaióchora, Greece · 14374 days ago · 33 km deep · 36 km away
- 4.047 km WSW of Palaióchora, Greece · 14361 days ago · 33 km deep · 55 km away
- 3.637 km W of Kíssamos, Greece · 14359 days ago · 33 km deep · 92 km away
Before
Earthquakes todayGreece earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000344c. Read Tue, Sep 22, 2026, 10:52 AM UTC.