1959 Volume 12 Issue 1 Pages 19-24
SH wave can advantageously used for determining the underground structure, since it is known theoretically that if one superficial layer exists on a semi-infinite elastic medium, the SH wave critically reflected at the interface shows a very large amplitude at the surface.
A new method of structure determination is attempted using the above mentioned theory and basic experiments concerning the production of SH wave were carried out in a prospecting field.
The results obtained by this method in the field were almost the same with those by P wave prospecting.