Pleasanton Fault
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The Pleasanton Fault is a seismically active geological structure in Alameda County and Contra Costa County, California , USA.(Alameda County, 1982)
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[edit] Relation to hydrological features
All the streams draining Livermore Valley merge above the Bernal Subbasin and then leave the subbasin and the valley as the Arroyo de la Laguna. Groundwater occurs throughout the valley floor portion of the Bernal Subbasin under conditions ranging from unconfined to confined. There is no inflow of groundwater across the Pleasanton Fault south of the City of Pleasanton. This consequence arises because any movement of groundwater in the southern section is essentially parallel to the Pleasanton Fault.(Earth Metrics, 1989)
[edit] See also
[edit] Notes
- Alameda County, Seismic Safety Element of the Alameda County General Plan (1982)
- Earth Metrics Incorporated, ‘'Environmental Site Assessment for the Hopyard Vallage Shopping Center, Pleaaanton, California'‘, May 24, 1989
[edit] External links
- [http://www.bssaonline.org/cgi/content/abstract/61/6/1795 Bulletin of the Seismological Society of America; December 1971; v. 61; no. 6; p. 1795-1799
1971 Seismological Society of America, NATIONAL CENTER FOR EARTHQUAKE RESEARCH U. S. GEOLOGICAL SURVEY, MENLO PARK, CALIFORNIA]
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