on their cement base to the eastward some three inches or more in spite of the attendant friction. The amplitude was probably less than an inch at Kingston.
The speed of the various waves in this earthquake can only be approximated. During a slight shock that occurred afterwards, of about one third the intensity, from an interrupted telephone conversation from Kingston to Port Antonio, it was estimated that the wave traveled about two thousand feet per second. As yet no data have been available concerning the breaking of the cables, and as to the exact time or speed as marked by such fractures. The Panama cable was broken in two places, one four miles and the other some twenty miles offshore from Bull Bay, but so covered was it with débris that a couple of miles
