Additional info:
The earthquake was widely felt by people. Near the epicentre the intensity reached level V on the EMS-98 macroseismic scale. If you felt the earthquake too you can report your experience here. It was followed by a number of weaker shocks. Some more earthquakes of such magnitude can be observed in the next few days but no greater damage is expected by this type of earthquakes.
It presented no threat to any of the Czech NPPs.
More details can be found at the Geophysical Institute.