Additional info: The earthquake was felt by people in Loučná nad Desnou with intensity II on the EMS-98 macroseismic scale. If you felt it too you can report your experience here. It presented no threat to any of the Czech NPPs.
Seismogram of the earthquake from a station of the IPE local seismological network monitoring NPP Temelín. Time in the seismograms is in UTC (CEST - 2 hours). Vertical axis shows ground velocity in mm/s.