Accession Number : ADA304549

Title :   Investigations of the Seismic Characteristics of Rockbursts.

Descriptive Note : Scientific rept. no. 1,

Corporate Author : S-CUBED LA JOLLA CA

Personal Author(s) : Bennett, Theron J. ; McLaughlin, Keith L. ; Marshall, Margaret E. ; Barker, Brian W. ; Murphy, John R.

PDF Url : ADA304549

Report Date : DEC 1995

Pagination or Media Count : 89

Abstract : This research is directed at improving understanding of rockbursts and related mine tremors as seismic sources and at distinguishing them from other source types based on characteristics of their signals. In addition, this effort seeks to gain insight into controllability of rockbursts and its relevance to possible clandestine testing of small nuclear explosions. An observational element of this research has focused on identifying the characteristics of the seismic signals from rockbursts in areas around the world and, in particular, on the behavior of several prominent rockbursts in specific areas which have occurred within the past few years. A number of features have been identified which may be distinctive for rockbursts relative to other source types. A theoretical aspect of the research effort has been directed at refining the description of the rockburst source and relating the seismic source description to physical properties of the mine environment. For the latter, observed rockburst phenomenology is being used to define source models, for several of the more prominent recent events, which satisfactorily predict many of the salient features of the observed seismic signals.

Descriptors :   *SEISMIC DISCRIMINATION, *TREMORS, SOURCES, SEISMIC WAVES, SEISMIC SIGNATURES, SEISMOLOGY, MINES(EXCAVATIONS).

Subject Categories : Seismology

Distribution Statement : APPROVED FOR PUBLIC RELEASE