Edna Fault
{{Short description|Geological fault line}}
{{Infobox mountain
| name = Edna Fault
| photo = Edna Fault.jpg
| photo_caption = Edna Fault during Thomas Fire
| location = San Luis Obispo County, California, U.S.
| range = San Luis Range
| coordinates = {{coord|35.183894|N|120.610607|W|format=dms|region:US-CA|display=inline,title}}
| range_coordinates = {{coord|35.132035|N|120.4735|W}}
| coordinates_ref ={{cite gnis |id=239356 |name=Mount Buchon |accessdate=2018-06-05}}
| topo = San Luis Obispo
| type = Strike-slip fault
|elevation=584 ft (178m){{Cite web|url=https://www.freemaptools.com/elevation-finder.htm|title=Elevation Finder}}}}
Edna Fault is a 584-foot (178m) strike-slip fault in Edna Valley, California, known for its abrupt right angle shape when viewed from the north or south. Its cliff face faces east.
Geology
Edna Fault is part of the San Luis (Mount Buchon) range in San Luis Obispo County, California. It contains both Miocene and Pliocene strata against a Franciscan basement and forms the northern border of the Pismo syncline.{{cite web |url=http://wdl.water.ca.gov/groundwater/maps_and_reports/southern_region/GroundwaterQuality/arroyo_grande/chapter_ii.pdf |title=Water Resources of the Arroyo Grande |publisher=Water Data Library, California Department of Water Resources |accessdate=2018-06-05}} According to trenching and bedrock mapping studies, the fault was inactive during the late Quaternary period.{{cite web |url=http://wdl.water.ca.gov/groundwater/maps_and_reports/southern_region/GroundwaterQuality/arroyo_grande/chapter_ii.pdf |title=Water Resources of the Arroyo Grande |publisher=Water Data Library, California Department of Water Resources |accessdate=2018-06-05}}{{cite web |url=https://www.pge.com/includes/docs/pdfs/shared/edusafety/systemworks/dcpp/SSHAC/workshops/source_characterization/SSC_0305_Hall_LTSP_Trench_Data.pdf |title=SAN SIMEON FAULT – Findings |publisher=Pacific Gas and Electric Company |accessdate=2018-06-05}}
Wildlife
Known flora and fauna of Edna Fault includes red-tailed hawk, ground squirrels, bobcats, and coast live oaks,{{Citation needed|date=June 2018}} among others.
Land use
Though many local residents have expressed interest in hiking or climbing the fault{{Citation needed|date=June 2018}}, the property is under private ownership and such activities are uncommon.
A single road owned by PG&E leads up behind the fault nearly to the edge.
References
{{reflist}}
Category:Geographic areas of seismological interest
Category:Seismic faults of California
{{SanLuisObispoCountyCA-geo-stub}}