The American Committee has representatives from the weather Bureau, the Hydrographic Office of the Navy Department, the Coast and Geodetic Survey, the University of California, and Johns Hopkins University. It has a permanent function to collect all available information regarding unusual invasions of the shore by the sea. During the year a report was made to the International Commission regarding waves in southern California and also regarding sea‐movements accompanying the Panama earthquake of June 1934. At the initiative of the Navy Department, which required better understanding of the possibility of seismic sea‐waves accompanying an earthquake like that of Long Beach in 1933, the Chairman compiled a list of known tidal waves of history and it was published in the Bulletin of the International Commission as a contribution of the Committee.