Accession Number : ADA137778

Title :   Spectral Analyses of High-Frequency Pn, Sn Phases from Very Shallow Focus Earthquakes.

Descriptive Note : Final technical rept.,


Personal Author(s) : Walker,D A

PDF Url : ADA137778

Report Date : Sep 1983

Pagination or Media Count : 180

Abstract : Contents: Spectra of nuclear explosions, earthquakes, and noise from Wake Island bottom hydrophones; Spectral characteristics of high-frequency Pn. Sn phases in the Western Pacific; Oceanic Pn/Sn: a qualitative expanation and reinterpretation of the T-phase; A Preliminary Informal Comparison of Signal/Noise Capabilities Between the Wake Bottom Hydrophone Array, the Ocean Sub-Bottom Seismometer, and Ocean Bottom Seismometers; Po/So Phases: Propagation Velocity and Attenuation Across a 1600 km Long Deep Ocean Hydrophone Array; The Continuous Digital Data Collection System for the Wake Island Hydrophones; List of Events Processed by the Wake Digital Data Collection System.

Descriptors :   *Seismic waves, North Pacific Ocean, Ocean bottom, Hydrophones, Acoustic arrays, Seismometers, Phase, Signal processing, Data acquisition, Digital systems

Subject Categories : Seismology

Distribution Statement : APPROVED FOR PUBLIC RELEASE