Quick
Search: 		  
advanced search
 GSW Home   GeoRef Home   My GSW Alerts   Contact GSW   About GSW   Journals List   Help 
Bulletin of the Seismological Society of America Don't get GSW? Talk to your librarian.
JOURNAL HOME HELP CONTACT PUBLISHER SUBSCRIBE ARCHIVE SEARCH TABLE OF CONTENTS
Bulletin of the Seismological Society of America; August 1999; v. 89; no. 4; p. 989-1003
© 1999 Seismological Society of America
This Article
Right arrow Full Text (PDF)
Right arrow References
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Right arrow Citation Map
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Bondár, I.
Right arrow Articles by Beall, G.
Right arrow Search for Related Content
GeoRef
Right arrow GeoRef Citation

Teleseismic slowness-azimuth station corrections for the International Monitoring System Seismic Network

István Bondár, Robert G. North and Gregory Beall

Science Application International Corporation Center for Monitoring Research, 1300 N 17th Street, Suite 1450, Arlington, Virginia 22209
Seismological Observatory Hungarian Academy of Sciences, Meredek u. H-1112, Budapest, Hungary
Science Application International Corporation Geophysical Systems Operation, 10260 Campus Point Drive, San Diego, California 92121

Abstract

The prototype International Data Center (PIDC) in Arlington, Virginia, has been developing and testing software and procedures for use in the verification of the Comprehensive Test Ban Treaty. After three years of operation with a global network of array and three-component stations, it has been possible to characterize various systematic biases of those stations that are designated in the Treaty as part of the International Monitoring System (IMS). These biases include deviations of azimuth and slowness measurements from predicted values, caused largely by lateral heterogeneity. For events recorded by few stations, azimuth and slowness are used in addition to arrival-time data for location by the PIDC. Corrections to teleseismic azimuth and slowness observations have been empirically determined for most IMS stations providing data to the PIDC. Application of these corrections is shown to improve signal association and event location. At some stations an overall systematic bias can be ascribed to local crustal structure or to unreported instrumental problems. The corrections have been applied in routine operation of the PIDC since February 1998.




This article has been cited by other articles:


Home page
 Bulletin of the Seismological Society of AmericaHome page
K. D. Koper and A. Fatehi
Array Analysis of Regional-Distance P-Coda in South Asia
Bulletin of the Seismological Society of America, August 1, 2009; 99(4): 2509 - 2522.
[Abstract] [Full Text] [PDF]

Home page
 Seismological Research LettersHome page
I. M. Tibuleac and A. Stroujkova
Calibrating the Chiang Mai Seismic Array (CMAR) for Improved Event Location
Seismological Research Letters, July 1, 2009; 80(4): 579 - 590.
[Full Text] [PDF]

Home page
 Bulletin of the Seismological Society of AmericaHome page
K. G. Lindquist, I. M. Tibuleac, and R. A. Hansen
A Semiautomatic Calibration Method Applied to a Small-Aperture Alaskan Seismic Array
Bulletin of the Seismological Society of America, February 1, 2007; 97(1B): 100 - 113.
[Abstract] [Full Text] [PDF]

Home page
 Bulletin of the Seismological Society of AmericaHome page
Path-Dependent Regional Phase Travel-Time Corrections for the International Monitoring System in North America
Bulletin of the Seismological Society of America, December 1, 2001; 91(6): 1831 - 1850.



JOURNAL HOME HELP CONTACT PUBLISHER SUBSCRIBE ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 2009 by Seismological Society of America