Post-Doctoral Research in Seismology
Abstract
This final annual report describes the work of Jorge Mendiguren on the identification of free oscillation spectral peaks by the new powerful method called 'excitation criterion'. An intensive search of higher modes was done using data for the July 30, 1970 Colombian deep shock. Spheroidal oscillations, ranging from the fundamental to the sixth higher overtone, and torsional oscillations up to the third higher overtone were identified. Spheroidal oscillations for periods smaller than 100 seconds were clearly identified for the third and fifth overtone.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 31, 1973
- Accession Number
- AD0776005
Entities
People
- Frank Press
- Jorge Mendiguren
- M. Nafi Toksöz
Organizations
- Massachusetts Institute of Technology