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Series: GSA Memoirs
Published: 01 January 1993
DOI: 10.1130/MEM178-p1
... fault south of Monterey Bay merge on the San Gregorio fault north of the bay for total of 150 km. Hypothetically, displacement on the San Gregorio fault is split between 70 km (after 6 to 6.5 Ma) west of the Montara Mountain block and 80 km (prior to 6 to 6.5 Ma) east of that block, so as not to leave...
Series: GSA Memoirs
Published: 01 January 1993
DOI: 10.1130/MEM182-p131
... of Jamaica. The Buff Bay section, the most extensive Neogene section in eastern Jamaica, is studied in great detail, and eight other sections, including the San San Bay and the Bowden type sections, are discussed as well. Current correlations between the zonal schemes established from calcareous nannofossils...
Journal Article
Published: 01 July 2017
Journal of Sedimentary Research (2017) 87 (7): 707-721.
...-state weathering. At its type locality along the sea cliff at the southern end of the Point Loma Peninsula, San Diego County, southwestern California, USA, the Upper Cretaceous Point Loma Formation is tilted about 5–15° NE, and is ∼ 78 m thick ( Fig. 1 B) ( Kennedy and Moore 1971 ; Kennedy...
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Journal Article
Journal: PALAIOS
Published: 01 December 2007
PALAIOS (2007) 22 (6): 630-641.
... Kowalewski for thoughtful discussion on the topic; and the San Diego Museum of Natural History for use of its facilities. The senior author also wishes to thank Lisa N. Cooper for her support. Scarponi and Kowalewski (2004) compared detrended correspondence analysis (DCA) scores of Quaternary mollusks...
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Journal Article
Published: 26 March 2019
Bulletin of the Seismological Society of America (2019) 109 (3): 855-874.
... by Sahakian et al. (2017) . Therefore, our preferred interpretation is the one in which the southern portion of the NIRC, made up of the onshore RCFZ from San Diego Bay to offshore La Jolla, and possibly the Torrey Pines segment of Sahakian et al. (2017) , ruptures together in moderately large...
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Journal Article
Journal: Geosphere
Published: 01 April 2016
Geosphere (2016) 12 (2): 366-376.
... southeast of San Francisco Bay that is between strike-slip faults of the San Andreas transform system. Quaternary sediment within the valley provides a record of its history. Earlier work (e.g., Wentworth et al., 2005 , 2015 ) provided important information about this history, and the composition...
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Journal Article
Published: 01 September 2005
Environmental Geosciences (2005) 12 (3): 193-206.
... some extraordinary things there” (San Antonio Express News, June 13, 2001). Ratliff likened the problems in the Border area to having cancer of the leg, in that although it is a long way from the brain (the economically developed areas of the state), it is still a disease that must be addressed...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 1999
GSA Bulletin (1999) 111 (7): 992-1009.
...Daniel L. Orange; H. Gary Greene; Don Reed; Jonathan B. Martin; Cecilia M. McHugh; William B. F. Ryan; Norman Maher; Debra Stakes; James Barry Abstract Remotely operated vehicle (ROV)-based mapping of tectonic features, zones of anomalous reflectivity, and geomorphic targets in Monterey Bay...
Journal Article
Published: 11 April 2017
Bulletin of the Seismological Society of America (2017) 107 (3): 1094-1106.
.... McLaughlin R. J. , and Fleck R. J. 2002 . Controls on the timing and amount of right‐lateral offset on the East Bay fault system, San Francisco Bay region, California , Geol. Soc. Am. Bull. 114 , 1471 – 1479 . Greene H. G. 1977 . Geology of the Monterey Bay region...
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Journal Article
Published: 01 February 1998
Bulletin of the Seismological Society of America (1998) 88 (1): 140-159.
...Tousson R. Toppozada; Glenn Borchardt Abstract Current seismic hazard models include two major earthquakes ( M ∼ 7) in the San Francisco Bay area that are close in space and time: an 1836 event on the northern Hayward fault and an 1838 event on the peninsula section of the San Andreas fault...
Journal Article
Published: 08 November 2016
Bulletin of the Seismological Society of America (2016) 106 (6): 2469-2489.
... in frequency ranges of seismological and engineering interest and produce equivalent seismogeodetic estimates of displacement and velocity. To date, 27 SIO MEMS packages have been installed at GPS monitoring stations in southern California and the San Francisco Bay area and have recorded four earthquakes ( M...
Journal Article
Journal: GSA Bulletin
Published: 01 July 2009
GSA Bulletin (2009) 121 (7-8): 1089-1107.
... estimates of extension rates and new information on Holocene faulting, and places Tahoe Basin deformation into the larger context of Walker Lane and Basin and Range tectonics. Measured offset marker surfaces include submerged wave-cut paleo terraces of Tioga age (19.2 ± 1.8 ka), McKinney Bay slide deposits...
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Journal Article
Journal: Geology
Published: 01 May 2005
Geology (2005) 33 (5): 365-368.
... and 15 m; offset of 10 m is observed across the southern part of the West Tahoe fault. Avalanche deposits from the catastrophic McKinney Bay slide (ca. 60 ka) are offset across the Stateline fault by at least 21–25 m. The submerged shoreline terraces and debris avalanche provide marker beds with which...
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Journal Article
Published: 01 April 2009
Bulletin of the Seismological Society of America (2009) 99 (2A): 499-519.
... morphology and may include more than one splay. After an apparent ∼1 km northwestward step from below Eagle Point to the base of the submerged slope off Emerald Point, the Rubicon section continues northward to McKinney Bay. Although the trends of the two northern sections are nearly equivalent and evidence...
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Journal Article
Journal: Geology
Published: 01 June 2001
Geology (2001) 29 (6): 491-494.
... scales in the exhumation of arc crust: An approach based upon analysis of detrital closure age distributions : Journal of Geophysical Research , v. 104 p. 29419 – 29438 . Measures , M.A. , 1996 , Geology of the Agua Caliente region, southeast Sierra San Pedro Martir, Baja California...
FIGURES
Journal Article
Journal: Geology
Published: 01 January 2006
Geology (2006) 34 (1): e115-e116.
... excluded from our analysis. The age shift from dendrocalibration is insignificant compared to the age extrapolation that we used to estimate the age of the McKinney Bay slide. The age estimate of the paleoshoreline terrace used 14 C dates only as supporting evidence and relied almost exclusively...
FIGURES
Journal Article
Journal: Geology
Published: 01 March 2007
Geology (2007) 35 (3): 275-278.
... has risen ∼125 m in the past 20 k.y. (e.g., Fairbanks, 1989 ). Consequently, in seismic images and in outcrop, it is often difficult to separate sea-level changes from tectonic changes acting in the same plane during this time period. In the San Diego, California, area, regional uplift and sea-level...
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Journal Article
Published: 04 April 2018
Seismological Research Letters (2018) 89 (3): 1146-1162.
...Ruth A. Harris; Michael Barall; Brad Aagaard; Shuo Ma; Daniel Roten; Kim Olsen; Benchun Duan; Dunyu Liu; Bin Luo; Kangchen Bai; Jean‐Paul Ampuero; Yoshihiro Kaneko; Alice‐Agnes Gabriel; Kenneth Duru; Thomas Ulrich; Stephanie Wollherr; Zheqiang Shi; Eric Dunham; Sam Bydlon; Zhenguo Zhang; Xiaofei...
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Image
A: The <b>San</b> Francisco <b>bay</b> area and <b>San</b> Andreas fault system. SAF—<b>San</b> Andreas...
in > Geology
Published: 01 August 2013
Figure 1. A: The San Francisco bay area and San Andreas fault system. SAF—San Andreas fault, SGF—San Gregorio fault, HF—Hayward fault, CF—Calaveras fault, SF—San Francisco, HMB—Half Moon Bay, SC—Santa Cruz, BLM—Ben Lomond Mountain. Large yellow star is the Santa Cruz Mountains (SCM) restraining
Journal Article
Journal: PALAIOS
Published: 01 November 2014
PALAIOS (2014) 29 (11): 570-577.
... of this unit at Bajo San José locality; while based on peat and wood samples, Rabassa (1989) and Rabassa et al. (1991) mentioned variable ages between 1570 ± 45 and 900 ± 50 14 C years BP at La Toma locality ( Fig. 1 ). Considering these dates and the faunal assemblages, the Chacra La Blanqueada Formation...
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