M4.8 earthquake 3 km NNE of Gr?bocice, Poland
A magnitude 4.8 earthquake struck 3 km NNE of Gr?bocice, Poland on Fri, Apr 10, 1981, 6:59 AM GMT+2 (04:59 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1981-04-10 04:59:47 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 51.627° N, 16.182° E
- Region
- Poland
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Peak ground acceleration
- 23.2% of gravity
- Peak ground velocity
- 2.3 cm/s
- Map
- Automatic

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 1.8 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPoland earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001d2p. Read Tue, Sep 22, 2026, 2:16 PM UTC.