M3.9 earthquake 77 km SSE of Kastrí, Greece
A magnitude 3.9 earthquake struck 77 km SSE of Kastrí, Greece on Sat, Dec 21, 2002, 7:21 PM GMT+2 (17:21 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.0 26 km SSW of Tympáki, 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
- 2002-12-21 17:21:55 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 34.154° N, 24.253° 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
- Stations used
- 27
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 5 in the 30 days before it.
After
- 4.026 km SSW of Tympáki, Greece · 8683 days ago · 61 km deep · 87 km away
- 3.552 km SSW of Moíres, Greece · 8683 days ago · 9 km deep · 67 km away
- 3.850 km SSW of Kastrí, Greece · 8666 days ago · 33 km deep · 48 km away
- 3.143 km SSW of Kastrí, Greece · 8654 days ago · 5 km deep · 42 km away
- 3.429 km SSW of Tympáki, Greece · 8638 days ago · 66 km deep · 83 km away
Before
- 3.760 km S of Kastrí, Greece · 8685 days ago · 67 km deep · 22 km away
- 3.619 km SSW of Tympáki, Greece · 8687 days ago · 37 km deep · 93 km away
- 4.126 km ENE of Kastrí, Greece · 8688 days ago · 27 km deep · 88 km away
- 3.413 km SSW of Agía Galíni, Greece · 8688 days ago · 65 km deep · 98 km away
- 3.752 km ESE of Kastrí, Greece · 8689 days ago · 33 km deep · 56 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000bm42. Read Wed, Sep 30, 2026, 10:20 PM UTC.