Crustal Deformation In The San Francisco Bay Area
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Crustal Deformation of the San Francisco Bay Area Segment of the San Andreas Fault from Persistent Scatterer InSAR
Author | : Howard A. Zebker |
Publisher | : |
Total Pages | : 24 |
Release | : 2006* |
Genre | : Faults (Geology) |
ISBN | : |
The Kindematics of Faults in the San Francisco Bay Area Inferred from Geodetic and Seismic Data
Author | : David A. Schmidt (Geophysicist) |
Publisher | : |
Total Pages | : 412 |
Release | : 2002 |
Genre | : |
ISBN | : |
Final Technical Report, Monitoring the Spatially and Temporally Complex Active Deformation Field in the Southern Bay Area
Author | : Roland Bürgmann |
Publisher | : |
Total Pages | : 74 |
Release | : 1997 |
Genre | : Calaveras Fault (Calif.) |
ISBN | : |
Horizontal Crustal Movement in the San Francisco Bay Area
Author | : David Andrew Tyler |
Publisher | : |
Total Pages | : 390 |
Release | : 1976 |
Genre | : Earth movements |
ISBN | : |
The BARD Permanent GPS Network
Author | : Roland Bürgmann |
Publisher | : |
Total Pages | : 22 |
Release | : 1999 |
Genre | : Faults (Geology) |
ISBN | : |
Crustal Deformation Along the San Andreas Fault and Within the Tibetan Plateau Measured Using GPS
Author | : Qizhi Chen |
Publisher | : |
Total Pages | : 280 |
Release | : 2002 |
Genre | : Strike-slip faults (Geology) |
ISBN | : |
"Using the Global Positioning System (GPS), we study crustal deformation along the San Andreas Fault (SAF) in the San Francisco Bay area and within the Tibetan Plateau, and provide new constraints for the kinematics of these actively deforming plate boundaries. GPS measurements in 1996 and 1997 and Electronic Distance Measuring (EDM) data from the 1970s and 1980s at sites along the SAF in northern California were used to determine the near-fault strain rate and to investigate the slip rate, locking depth, and rheology. We found a pronounced high near-fault shear strain rate that can be explained by a 2-D inhomogeneous model in which a low-rigidity compliant zone concentrates strain near the fault. We suggest that the materials on either side of the fault and the cumulative fault offset play a role in the development of the compliant zone. If such a compliant zone is present but unmodeled, the geodetic estimates of slip rate and locking depth (seismogenic depth) would be biased. This would lead to a miscalculated seismic hazard. Thirteen GPS sites in southern Tibet, surveyed in 1995, 1998 and 2000, were merged with other data from China and Nepal into a single, self-consistent velocity field. The himalaya and southern Tibet was modeled using a kinematically-consistent block model and elastic dislocation theory. We show a significantly lower convergence rate between India and Eurasia in central Himalaya than that previously estimated. We observe that southern Tibet undergoes non-uniform (spatial) east-west extension with one-half of the extension across the Yadong-Gulu rift. We infer that spatially non-uniform extension in southern Tibet results in variation of the arc-normal convergence rates along the Himalaya, and that the Yarlung-Zangbo suture or adjacent structure may be active as a right-lateral strike slip fault. From 44 GPS sites in the Tibetan Plaeau, we show that deformation of Tibet is distributed and strain accumulation is spatially uniform across the entire plateau. We propose a kinematic model for the Tibetan Plateau to be a combination of rigid block motion, pure shear and uniaxial contraction in the direction of about N32E̊, comparable to the convergence direction between India and Eurasia"--Leaf 3).
A Reevaluation of Seismic Hazard Within the Greater San Francisco Bay Region After the Loma Prieta Earthquake
Author | : J. M. Murphy |
Publisher | : |
Total Pages | : 112 |
Release | : 1991 |
Genre | : Earthquake hazard analysis |
ISBN | : |
Geology of the San Francisco Bay Region
Author | : Doris Sloan |
Publisher | : Univ of California Press |
Total Pages | : 353 |
Release | : 2006-06-27 |
Genre | : Nature |
ISBN | : 0520241266 |
"You can't really know the place where you live until you know the shapes and origins of the land around you. To feel truly at home in the Bay Area, read Doris Sloan's intriguing stories of this region's spectacular, quirky landscapes."—Hal Gilliam, author of Weather of the San Francisco Bay Region "This is a fascinating look at some of the world's most complex and engaging geology. I highly recommend this book to anyone interested in an understanding of the beautiful landscape and dynamic geology of the Bay Area."—Mel Erskine, geological consultant "This accessible summary of San Francisco Bay Area geology is particularly timely. We are living in an age where we must deal with our impact on our environment and the impact of the environment on us. Earthquake hazards, and to a lesser extent landslide hazards, are well known, but the public also needs to be aware of other important engineering and environmental impacts and geologic resources. This book will allow Bay Area residents to make more intelligent decisions about the geological issues affecting their lives."—John Wakabayashi, geological consultant
Field Trip Guidebook
Author | : Friends of the Pleistocene. Pacific Cell |
Publisher | : |
Total Pages | : 382 |
Release | : 1994 |
Genre | : Faults (Geology) |
ISBN | : |