FOREWORD 



Interest in the subject of microseisms has been growing in recent 

 years because of their possible use in storm detection and location. 

 Although there is no doubt that microseisms of certain periods are related 

 to frontal and storm activity in some way, there is no general agreement 

 as to the nature of the relationship. When microseisms are observed in 

 connection with atmospheric activity, the coupling medium seems to be a 

 water body. There are many and interesting explanations of the coupling 

 mechanism and the means by which microseisms are generated. No single 

 explanation is wholly satisfactory and perhaps none can be more satis- 

 factory without the accumulation of more extensive and more refined data. 



This situation in the field of investigation of microseims is perhaps 

 not different from that in other fields of naturally occurring geophysical 

 phenomena. However, because microseisms are the subject of such inten- 

 sive research by a small but enthusiastic group of investigators and also 

 because the phenomena probably have a potential application other than 

 storm detection, it was considered that a symposium on the subject would 

 provide a worthwhile opportunity for bringing together the existing obser- 

 vations in this field, for appraising their significance, and for stimulating 

 further studies through the give and take of discussion. 



The Office of Naval Research in joint effort with the Geophysical 

 Research Division of the U. S. Air Force initiated arrangements for such 

 a meeting. The symposium which was held at Arden House, Harriman, 

 New York, on 4, 5, and 6 September, 1952, was organized by Dr. R. C. 

 Gibbs of the National Research Council with the advice and assistance of 

 an ad hoc group of interested scientists, chief among whom in thought and 

 effort was Dr. Perry Byerly of the University of California at Berkeley 

 who served also as moderator of the symposium. The National Research 

 Council joins with the military research agencies, who provided the sup- 

 port for this symposium, in extending special thanks to Dr. Byerly for his 

 outstanding contribution to the organization of the program and its direc- 

 tion at the symposium. The symposium brought together many of the out- 

 standing and currently active investigators on microseisms from both this 

 country and abroad. Those attending were: 



John N. Adkins 



Markus Bath 



Perry Byerly 



Joseph Caldwell 



Dean S. Carder 



Frank Crowley 



G. E. R. Deacon 



Jacob E. Dinger 



William L. Donn 



H. P. Gauvin 



R. C. Gibbs 



Marion H. Gilmore 



Beno Gutenberg 



Norman A. Haskell 



J. Hughes 



Columbus O'D. Iselin 



W. S. Jardetzky 



Gordon G. Lill 



M. S. Longuet-Higgins 



John Joseph Lynch, S. J. 



James B. Macelwane, S. J. 



Ben S. Melton 



J. E. Oliver 



James A. Peoples 



Office of Naval Research, Washington, D. C. 



Meteorological Institute, Uppsala, Sweden 



University of California, Berkeley 



Army Beach Erosion Board, Washington, D. C. 



U. S. Coast and Geodetic Survey, Washington, D. C. 



Air Force Cambridge Research Center, Mass. 



Natl. Institute of Oceanography, Teddington, England 



Naval Research Laboratory, Washington, D. C. 



Brooklyn College, Brooklyn, N. Y. 



Air Force Cambridge Research Center, Mass. 



National Research Council, Washington, D. C. 



U. S. Naval Air Station, Miami, Florida 



Seismological Laboratory, Pasadena, Calif. 



Air Force Cambridge Research Center, Mass. 



Office of Naval Research, Washington, D. C. 



Woods Hole Oceanographic Institution, Mass. 



Lamont Geological Observatory, Palisades, N. Y. 



Office of Naval Research, Washington, D. C. 



Trinity College, Cambridge, England 



Fordham University, New York, N. Y. 



St. Louis University, St. Louis, Mo. 



Air Force Headquarters, Washington, D. C. 



Lamont Geological Observatory, Palisades, N. Y. 



Air Force Cambridge Research Center, Mass. 



Ill 



