Accession Number : AD0848080

Title :   Relationship Between Source Characteristics and Earthquake T Phases in the North Pacific Area.

Descriptive Note : Research and development rept. Sep 64-May 68,

Corporate Author : HAWAII UNIV HONOLULU

Personal Author(s) : Northrop, J.

Report Date : 02 OCT 1968

Pagination or Media Count : 42

Abstract : The report covers an investigation of earthquake-generated underwater-sound signals (T phases) from the Aleutian Islands area. The mode of generation of T-phase signals, variation in signal strength, signal duration, frequency spectrum, source characteristics, detection threshold, and source location accuracy are discussed. (Author)

Descriptors :   (*EARTHQUAKES, UNDERWATER SOUND SIGNALS), (*UNDERWATER SOUND SIGNALS, SOUND TRANSMISSION), SOURCES, NUCLEAR EXPLOSIONS, DETECTION, OCEAN BOTTOM, REFLECTION, EPICENTERS, HYDROPHONES, SEISMOLOGICAL STATIONS, SEISMIC WAVES, NETWORKS, THESES, ALEUTIAN ISLANDS, PACIFIC OCEAN.

Subject Categories : Seismology
      Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE