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The Rose Canyon Fault is a right-lateral
"Summary Report: Fault Evaluation Program, 1987–1988, Southwestern Basin and Range Region and Supplemental Areas."
Department of Conservation, Division of Mines and Geology Open-File Report, 1989. Retrieved March 2, 2010.
"Finding Faults"
2002. Retrieved March 2, 2010.
Not much is known about the Rose Canyon fault, though its slip-rate is thought to be 1.1 mm/year.
The Rose Canyon Fault has sustained at least one late Holocene rupture, with the date of the earthquake estimated to be after AD 1450 and most likely prior to construction of the San Diego Mission in 1769, as a large historical Rose Canyon earthquake would likely have destroyed that mission.Southern California Edison, Paleoseismic Assessment of the Late Holocene Rupture History of the Rose Canyon Fault in San Diego
, December 2012. The last earthquake believed to have occurred on the fault occurring on May 27, 1862, which was around magnitude 6; however, its association with the Rose Canyon Fault is debatable. The Rose Canyon Fault has garnered more attention because it runs through such highly populated areas and was formerly thought not to be much of a threat. Some geophysicists, such as
Faults and Earthquakes in San Diego County
– San Diego Natural History Museum {{Faults Seismic faults of California Geology of San Diego County, California La Jolla, San Diego Mission Valley, San Diego
The Rose Canyon Fault is a right-lateral strike-slip
In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic ...
fault running in a north-south direction through San Diego County
San Diego County (), officially the County of San Diego, is a county in the southwestern corner of the U.S. state of California. As of the 2020 census, the population was 3,298,634, making it California's second-most populous county and the f ...
, California.Hart, E.W., Bryant, W.A., Wills, C.J., Treiman, J.A., and Kahle, J.E."Summary Report: Fault Evaluation Program, 1987–1988, Southwestern Basin and Range Region and Supplemental Areas."
Department of Conservation, Division of Mines and Geology Open-File Report, 1989. Retrieved March 2, 2010.
Extent
The Rose Canyon Fault is about in length. It starts in the Mission Valley area and heads past Mt. Soledad andLa Jolla
La Jolla ( , ) is a hilly, seaside neighborhood within the city of San Diego, California, United States, occupying of curving coastline along the Pacific Ocean. The population reported in the 2010 census was 46,781.
La Jolla is surrounded on ...
into the Pacific Ocean where it joins other faults such as the Oceanside Fault.Monroe, Robert"Finding Faults"
2002. Retrieved March 2, 2010.
Current state
Not much is known about the Rose Canyon fault, though its slip-rate is thought to be 1.1 mm/year.
The Rose Canyon Fault has sustained at least one late Holocene rupture, with the date of the earthquake estimated to be after AD 1450 and most likely prior to construction of the San Diego Mission in 1769, as a large historical Rose Canyon earthquake would likely have destroyed that mission.Southern California Edison, Paleoseismic Assessment of the Late Holocene Rupture History of the Rose Canyon Fault in San Diego, December 2012. The last earthquake believed to have occurred on the fault occurring on May 27, 1862, which was around magnitude 6; however, its association with the Rose Canyon Fault is debatable. The Rose Canyon Fault has garnered more attention because it runs through such highly populated areas and was formerly thought not to be much of a threat. Some geophysicists, such as
Scripps Institution of Oceanography
The Scripps Institution of Oceanography (sometimes referred to as SIO, Scripps Oceanography, or Scripps) in San Diego, California, US founded in 1903, is one of the oldest and largest centers for ocean and Earth science research, public servi ...
researcher Jeff Babcock, have hypothesized that a concentrated earthquake
An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in intensity, fr ...
involving the Rose Canyon, Oceanside, and Newport–Inglewood fault
The Newport–Inglewood Fault is a right-lateral strike-slip fault in Southern California. The fault extends for from Culver City southeast through Inglewood and other coastal communities to Newport Beach at which point the fault extends east- ...
s could result in an earthquake up to magnitude 7.6 on the moment magnitude scale
The moment magnitude scale (MMS; denoted explicitly with or Mw, and generally implied with use of a single M for magnitude) is a measure of an earthquake's magnitude ("size" or strength) based on its seismic moment. It was defined in a 1979 pa ...
. A 2017 study concluded that, together, the Newport–Inglewood Fault and Rose Canyon Fault could produce an earthquake of 7.3 or 7.4 magnitude.
References
Sources *Further reading
*External links
Faults and Earthquakes in San Diego County
– San Diego Natural History Museum {{Faults Seismic faults of California Geology of San Diego County, California La Jolla, San Diego Mission Valley, San Diego