Analysis of the Microseismicity of the Santa Monica Mountains and Associated Malibu Coast, Santa Monica-Dume, and Santa Monica Bay Faults PDF Download
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Author: Joseph V. Green
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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Author: Joseph V. Green
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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Author: Mark Alan Millard
Publisher:
ISBN:
Category : Faults (Geology)
Languages : en
Pages : 0
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The Santa Monica Mountains form part of the structurally active southern edge of the Transverse Ranges Province. The purpose of this research is to identify and characterize potentially seismogenic faults in onshore and offshore portions of the Topanga 7.5' Quadrangle using near-shore geophysical data, multibeam data, digital elevation models, earthquake focal mechanism solutions, and field work. Several faults, many of which are previously-unmapped, have been identified in the study area, and determined to be potentially seismogenic. Results show that active seismogenic faulting in the Santa Monica Mountains is not restricted to the Malibu Coast Fault Zone as previously hypothesized. The sub-bottom acoustic survey provides evidence for the continuity of the Potrero Canyon and Santa Monica Faults in the near-shore portion of the Santa Monica Bay. Seismo-lineaments projected into the Santa Monica Bay indicate that one or more faults identified in the offshore portion of the study area may be seismogenic.
Author: Lauren E. Seidman
Publisher:
ISBN:
Category : Faults (Geology)
Languages : en
Pages : 0
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The Santa Monica Mountains are a young, structurally active mountain range within southern California. The purpose of this study was to map seismogenic faults within the Malibu Beach quadrangle. Using available earthquake data, I projected fault-plane solutions onto a digital elevation model (DEM). The intersection of each fault-plane solution with the DEM yielded a seismo-lineament whose width reflected the reported confidence interval associated with the earthquake location. Geomorphic lineaments were identified and mapped by illuminating the DEM at a 45 degree elevation from various azimuths. The lineament maps were used to generate hypotheses about the possible location of structures, which were field evaluated. Field work verified the existence of previously unmapped faults along some lineaments. Some faults are approximately coplanar with earthquake fault-plane solutions, and are tentatively considered seismogenic. Focal mechanism solutions and field observations suggest that strain is partitioned between several active faults, including some with pure strike-slip displacements.
Author: Homa J. Lee
Publisher: Geological Society of America
ISBN: 0813724546
Category : Science
Languages : en
Pages : 494
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Book Description
Section 1 deals with surficial seafloor mapping and characterization. Sections 2 and 3 deal with fundamental geologic and oceanographic processes that introduce, transport, and deposit sediment particles and contaminants in the Southern California Bight.T
Author:
Publisher:
ISBN:
Category : Engineering geology
Languages : en
Pages : 182
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Author: Thomas L. Davis
Publisher:
ISBN:
Category : Earthquakes
Languages : en
Pages : 26
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Author: Russell H. Campbell
Publisher:
ISBN:
Category : Debris avalanches
Languages : en
Pages : 60
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Book Description
Southern California residents have suffered death, injury, and property damage from debris flows generated by soil slips that occur during heary rains; the process is a recurring major natural geomorphic agent in the region. Defenses and warning are possible but require special engineering and procedures.
Author: April Ann Larson
Publisher:
ISBN:
Category : Earthquakes
Languages : en
Pages : 132
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Author: Geoffrey Victor Saldivar
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Author: James Alexander Buika
Publisher:
ISBN:
Category : Seismology
Languages : en
Pages : 382
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