Digital records of station of the Czech Regional Seismic Network,(CRSN), local network MONET a network PSLNET are transferred in real time to the GEOFON data centre in Potsdam which serves as a primary node of the European Integrated Data Archíve (EIDA). Limited selection of digital waveforms of CRSN stations is available through the form on the IG CAS pages. On-line digital records of CRSN and MONET stations are accesible on request at both IG CAS and IPE MUNI. Off-line data of selected stations of local seismic netwoks WEBNET, REYKJANET and MKNET are available on request at contact adresses.