Seismological bulletin provides additional data on characteristics of instruments at the seismological stations, and gives information on whether an earthquake was recorded at a particular station.

Station reports usualy include: station name or code, data, phase, arrival time, direction of the first motion for P and if possible for S waves, periods in seconds and amplitudes in microns for P, S and L waves corresponding to (A/T) Max, identified and not identified distinct phases, macroseismic information.

The collection of seismological bulletins of the WDC for SEP, Moscow consists of both International Bulletins included data from global networks of stations and National Bulletins included data fron regional or national networks or from separate stations.

Data are available as hard copy and may be ordered by e-mail .