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Sargent Fault

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Journal Article
Published: 01 June 1976
Bulletin of the Seismological Society of America (1976) 66 (3): 1013–1016.
...W. H. Prescott; R. O. Burford 02 10 1975 Copyright © 1976, by the Seismological Society of America References Burford R. O. (1972) . Continued slip on the Coyote Creek fault after the Borrego Mountain earthquake , U.S. Geol. Surc. Profess. Paper 787 , 105 - 111...
Journal Article
Published: 01 February 1984
Bulletin of the Seismological Society of America (1984) 74 (1): 235–254.
.... Analysis of 18 well-recorded microearthquakes (0.7 ≦ M L ≦ 2.8) located along the transition confirms the complexity of the crust and fault-zone structure of the transition region. Seismic-wave site amplification is 2 to 10 times greater at sites between the San Andreas and Sargent fault traces, consistent...
Journal Article
Journal: Geology
Published: 01 December 1992
Geology (1992) 20 (12): 1063–1067.
... above the fault as it is defined seismically. Through detailed mapping of selected localities along the San Andreas and Sargent faults, however, we have been able to show that strands of the San Andreas and Sargent faults ruptured to the surface with right-lateral-northward thrust components of slip...
Journal Article
Published: 01 February 1985
Bulletin of the Seismological Society of America (1985) 75 (1): 175–191.
... consisted of three shotpoints, extended northeastward from near Watsonville, California, to Coyote Lake, crossing the San Andreas, Sargent, and Calaveras faults. This entire region is characterized by a highly heterogeneous upper crust. West of Watsonville, 1 km of alluvium with a velocity of 2.12 km/sec...
Journal Article
Published: 01 February 1995
Bulletin of the Seismological Society of America (1995) 85 (1): 129–150.
... and Sargent faults. Furthermore, there seems to be little seismic activity to the east of the Sargent fault. These features of the seismicity are not observed in other published locations determined using similar data sets. A depth cross section perpendicular to the Sargent fault near its intersection...
Journal Article
Published: 01 October 1991
Bulletin of the Seismological Society of America (1991) 81 (5): 1480–1510.
... of the hanging-wall block. The pattern of extensional fissures is generally consistent with tectonic extension across the crest of the uplifted hanging-wall block. Also, many displacements in Laurel Creek canyon and along the San Andreas and Sargent faults are consistent with right-lateral reverse faulting...
Journal Article
Published: 01 October 1977
Bulletin of the Seismological Society of America (1977) 67 (5): 1319–1338.
.... Consistently shorter pulse widths were associated with stations on the granitic Salinian side of the San Andreas fault while larger and more varying pulse widths were associated with station on the Franciscan side and along the San Andreas fault itself. Stations along or near the Calaveras and Sargent faults...
Journal Article
Published: 01 April 1994
Bulletin of the Seismological Society of America (1994) 84 (2): 284–294.
... are predicted to be weakly defocused by factors of 0.5. The focusing is caused by low velocities lying between the Zayante and San Andreas faults, and the defocusing is caused by a wedge of high-velocity material between the San Andreas and Sargent faults. The magnitude of amplitude variations resulting from...
Journal Article
Published: 01 December 1984
Bulletin of the Seismological Society of America (1984) 74 (6): 2335–2356.
...William H. Bakun Abstract Coda-duration τ at 42 of the stations in the U.S. Geological Survey's central California seismic network ( CALNET ) for earthquakes in five source regions of central California—the Parkfield and San Juan Bautista sections of the San Andreas fault, the Sargent fault...
Journal Article
Published: 01 April 1984
Bulletin of the Seismological Society of America (1984) 74 (2): 439–458.
... and Parkfield sections of the San Andreas fault, the Coyote Lake section of the Calaveras fault, the Sargent fault, and near Livermore. These data, together with M 0 and M L estimates for 4 ≦ M L ≦ 6 earthquakes in these areas, cannot be fit with a single linear log M 0 -versus- M L relation. Rather, the data...
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1963
AAPG Bulletin (1963) 47 (9): 1775.
...Sargent M. Reynolds; Sargent T. Reynolds ABSTRACT The Midland fault can be traced in the subsurface about 30 miles from the Bunker gas field southward through the Rio Vista field. This steeply dipping normal fault has a maximum vertical displacement of 3,000 feet, all movement occurring between...
Journal Article
Published: 01 August 1981
Environmental and Engineering Geoscience (1981) xviii (3): 277–295.
... feature (e.g. active fault) may have little basis in fact. However, there are situations in which extra-geotechnical factors oblige investigation of sites with apparently unfavorable geological characteristics. At Nitzanim (NP-1) site, on the coastal dunes 45 km south of Tel Aviv, investigators were...
Journal Article
Published: 01 September 2009
Bulletin of Canadian Petroleum Geology (2009) 57 (3): 275–322.
...Jack Wendte; Guoxiang Chi; Ihsan Al-Aasm; David Sargent Abstract The Jean Marie in the July Lake area of northeastern British Columbia consists of mainly limestones and partially dolomitized limestones, with variable dolomite content and porosity of dissolutional origin. Pure dolostones occur...
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Series: Guidebook
Published: 01 January 1990
DOI: 10.32375/1990-GB67.14
EISBN: 9781733984409
... et al., 1990 ). In the third section of the paper, we propose one possible solution to this topographic conundrum, which involves repeated motion on the Sargent-Berrocal fault system (see Schwartz et al., 1990 ). Although this is not a unique solution, given that the inferred type of earthquake has...
FIGURES | View All (10)
Journal Article
Published: 01 February 1988
Environmental and Engineering Geoscience (1988) xxv (1): 31–37.
... element in estimating this parameter both in regions with and without known seismogenic faults, is the analysis of “random” earthquakes. A useful tool in performing this analysis is the well known earthquake size-to-recurrence equation, log 10 N = a – bM. This paper illustrates how this equation can...
Journal Article
Published: 01 June 2006
Bulletin of the Seismological Society of America (2006) 96 (3): 1140–1158.
...Debi Kilb; Jeanne L. Hardebeck Abstract We estimate the strike and dip of three California fault segments (Calaveras, Sargent, and a portion of the San Andreas near San Jaun Bautistia) based on principle component analysis of accurately located microearthquakes. We compare these fault orientations...
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Journal Article
Published: 01 July 1997
Seismological Research Letters (1997) 68 (4): 537–552.
...Christopher J. Potter; James A. Drahovzal; Michael L. Sargent; John H. McBride Abstract Four high-quality seismic reflection profiles through the southern Illinois Basin, totaling 245 km in length, provide an excellent regional subsurface stratigraphic and structural framework for evaluation...
Journal Article
Published: 01 July 1997
Seismological Research Letters (1997) 68 (4): 641–649.
...John H. McBride; Michael L. Sargent; Christopher J. Potter Abstract The relationship between seismicity and faults observed on seismic reflection profiles from the New Madrid Seismic Zone (NMSZ) in the central Mississippi Valley has been intensively studied for the past 15 years. However...
Journal Article
Published: 01 December 2009
Bulletin of Canadian Petroleum Geology (2009) 57 (4): 387–408.
... Figures, 1 Table. Wendte , J. , Al-Aasm , I. , Chi , G. and Sargent , D. 2009a . Fault/fracture controlled hydrothermal dolomitization and associated diagenesis of the Upper Devonian Jean Marie Member (Redknife Formation) in the July Lake area of northeastern British Columbia...
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Journal Article
Published: 01 October 2003
Bulletin of the Seismological Society of America (2003) 93 (5): 2069–2081.
...A. Ziv; A. M. Rubin; D. Kilb Abstract We use relocated catalogs of microearthquakes to investigate earthquake interaction along sections of the Sargent, Calaveras, and San Andreas faults in California. We examine the stress dependence of seismicity rate change along the three fault segments...
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