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; July 1961; v. 51; no. 3; p. 337-354
© 1961 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 CAMERON, J. B.
Right arrow Search for Related Content
GeoRef
Right arrow GeoRef Citation

Earthquakes in the Northern California Coastal Region (Part II)

J. B. CAMERON

Abstract

The PF phase, described previously by Byerly as False S, is shown to be a longitudinal wave which travels with a velocity of 5.1 km./sec., and arrives at the observing station with an angle of emergence less than that observed for Pn.

The epicenter locations of earthquakes in northern California show that this phase arises only from shocks originating on continental structure, and is not oberved from earthquakes at large distances from the coast.

An examination of the Pn - P relationship, and the Intensity, indicate that exceptionally shallow foci result in the generation of a PF phase. It is concluded that the very thick Franciscan formation in northern California carries considerable seismic energy from hese shallow focus earthquakes, and it is this energy which is identified as the PF phase.




This article has been cited by other articles:


Home page
 Bulletin of the Seismological Society of AmericaHome page
Memorial--Perry Byerly (1897-1978)
Bulletin of the Seismological Society of America, June 1, 1979; 69(3): 928 - 945.
[PDF]

Home page
 Bulletin of the Seismological Society of AmericaHome page
A. A. NOWROOZI
Seismicity of the mendocino escarpment and the aftershock sequence of June 26, 1968: Ocean bottom seismic measurements
Bulletin of the Seismological Society of America, April 1, 1973; 63(2): 441 - 456.
[Abstract] [PDF]

Home page
 Bulletin of the Seismological Society of AmericaHome page
L. SEEBER, M. BARAZANGI, and A. NOWROOZI
Microearthquake seismicity and tectonics of Coastal Northern California
Bulletin of the Seismological Society of America, October 1, 1970; 60(5): 1669 - 1699.
[Abstract] [PDF]

Home page
 Bulletin of the Seismological Society of AmericaHome page
B. AULD, G. LATHAM, A. NOWROOZI, and L. SEEBER
Seismicity off the coast of Northern California determined from ocean bottom seismic measurements
Bulletin of the Seismological Society of America, October 1, 1969; 59(5): 2001 - 2015.
[Abstract] [PDF]

Home page
 Bulletin of the Seismological Society of AmericaHome page
C. LOMNITZ and B. A. BOLT
Evidence on crustal structure in California from the CHASE V explosion and the Chico earthquake of May 24, 1966
Bulletin of the Seismological Society of America, October 1, 1967; 57(5): 1093 - 1114.
[Abstract] [PDF]


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