Quick Search:    advanced search

GSW Home   GeoRef Home   My GSW Alerts   Contact GSW   About GSW   Journals List   Help

This Article Full Text (PDF) References Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by CURTIS, J. W. Search for Related Content GeoRef GeoRef Citation

A magnitude domain study of the seismicity of Papua, New Guinea, and the Solomon Islands

DEPARTMENT OF GEOLOGY AND MINERALOGY UNIVERSITY OF QUEENSLAND, ST. LUCIA, QUEENSLAND, Australia

Abstract

A detailed magnitude domain study of the distribution of earthquakes occuring in the Papua-New Guinea-Solomon Islands region between 1959 and 1970 is described. The primary results are as follows:

1. There is a significant variation in the value of the empirical constant b in the relation log N(m) = a – bm from subregion to subregion, which may be related to the different tectonic characteristics of the subregions. The value of b also appears to decrease with focal depth and exhibits secular variation.

2. The method of extreme value statistics, as generalized by Epstein and Lomnitz (1966), does not produce reliable estimates of a and b in the region of study.

3. Some statistics concerning the future occurrence of earthquakes in the region are presented.

Footnotes

^* Present address: Department of Geophysics, Imperial College of Science and Technology, London, S.W.7., U.K.