Multiple Seismic Events
Abstract
It is shown is this study that the relationships of the delay times of secondary arrivals to the distance and azimuth of the recording stations provide a potential method of differentiating the source characteristics of an event. Cepstrum analysis is the method used to detect the delay times of secondary arrivals and was applied in the first zone study to selected Nevada Test Site events and one natural earthquake. The theoretical basis of cepstrum analysis was extended to include three secondary arrivals, and formula was established for recovering the scaling factor of secondary arrivals with respect to the initial P arrival from an event. The results indicate that cepstrum analysis can be used to detect the delay time of secondary arrivals, but it is difficult to interpret the delay-distance and delay-azimuth relationships and thereby identify the secondary arrivals. The detection of multiple events appeared possible in some cases, but station coverage requirements are severe. Knowledge of p(P) within 500 km of a source has possibly been extended.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 15, 1975
- Accession Number
- ADA042571
Entities
People
- David E. Willis
- Robert W. Taylor
Organizations
- University of Wisconsin–Milwaukee