California State University, Northridge WordmarkOviatt Library WordmarkOviatt Library Catalog Wordmark
Author Ramzan, Shahid, author.
Title Paleoseismic investigation of the San Gorgonio Pass fault zone near Cabazon, California / by Shahid Ramzan.
Published [Northridge, California] : California State University, Northridge, 2012.

 Electronic Book  QE40 .Z95 2012 R36eb    ONLINE
Description 1 online resource (xi, 63 pages) + 2 image files.
Content Type text
still image
cartographic image
Format online resource
File Characteristics text file PDF
image file PDF
Note Accompanying image files contain Plate 1 and Plate 2.
Thesis M.S. California State University, Northridge 2012.
Bibliography Includes bibliographical references (pages 45-49).
Summary The discontinuous nature of the San Andreas fault at San Gorgonio Pass has led to competing models about whether or not large earthquakes can rupture through this structurally complex region. To test these models the author excavated trenches across the San Gorgonio Pass fault zone (SGPFZ) near Cabazon as part of a larger effort. The trench site is located ̃100 m to the east of a site excavated in 1997 by Yule where trenches uncovered evidence for at least one earthquake 500-700 yrs ago. At the 1997 site, extensive bioturbation and low sedimentation rates hampered efforts to distinguish events. The new site, located where two alluvial fans merge, was selected for its higher sedimentation rates and excellent stratigraphy. Evidence from Cabazon supports a model with infrequent ruptures (by San Andreas fault standards) in San Gorgonio Pass and rare through-going events.
Note Description based on online resource; title from PDF title page (viewed on August 27, 2012).
Subject Paleoseismology -- California -- San Gorgonio Pass.
Earthquakes -- California -- San Gorgonio Pass.
Earthquakes -- California -- San Andreas Fault.
Surface fault ruptures -- California -- San Gorgonio Pass.
Surface fault ruptures -- California -- San Andreas Fault.
Local Subject Dissertations, Academic -- CSUN -- Geological Sciences.
OCLC number 847540947