STUDY OF SHORT-PERIOD SEISMIC NOISE.
Semiannual technical summary rept. no. 7, 1 Jul31 Dec 65,
GEOTECH DIV TELEDYNE INDUSTRIES INC GARLAND TEX
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Studies of short-period seismic noise were conducted and are presented. Studies that are in progress are a study of higher mode surface waves from earthquakes and a study of the 2 cps peak in noise. The status of the special orientation program is discussed and a schedule for completion of this task is given. Appendix 1 presents a summary of the results obtained over the last few years in the study of the types of waves present in short-period seismic noise. Appendix 2 presents an almost completed study on the statistics of short-period noise. Author