M3.3 earthquake 5 km SSW of Hejnice, Czechia
A magnitude 3.3 earthquake struck 5 km SSW of Hejnice, Czechia on Sun, May 23, 1982, 8:22 PM GMT+2 (18:22 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.0 4 km NE of Chocianów, Poland. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (ml), minor
- Local time
- UTC
- 1982-05-23 18:22:40 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.831° N, 15.158° E
- Region
- Czechia
- 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: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.04 km NE of Chocianów, Poland · 16179 days ago · 10 km deep · 88 km away
- 3.44 km SSW of Zagrodno, Poland · 16179 days ago · 10 km deep · 59 km away
- 3.3Czech Republic region · 16170 days ago · 10 km deep · 34 km away
- 3.75 km SSE of Radwanice, Poland · 16168 days ago · 10 km deep · 97 km away
Before
Earthquakes todayCzechia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001mfx. Read Thu, Sep 24, 2026, 2:29 PM UTC.