The Historical Seismogram Filming Project was began in 1979 with the objective of preserving seismograms dating from the beginning of the instrumental era in seismology to 1963. Seismograms of significant earthquakes have been systematically collected and preserved by making photographic copies at observatories sites around the world, and have been made available through the World Data Centers.

The historical seismogram archive at WDCs contains seismogram copies of 16- and 35-mm microfilm.

WDC for SEP, Moscow has historical seismograms of USA network from twelve stations.

Users can view list of stations and time coverage intervals per station and/or fill in request form .