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Images of Strike-Slip Faults
Strike-Slip Faults
Strike-slip faults are produced by shearing stresses that produce lateral motion. By observing the offset of features on the opposite side of the fault from the observer, one can distinguish right lateral and left lateral motion. Being bisected by a transform boundary means that California is an ideal location for seeing strike-slip faults, including the ever-famous San Andreas fault. This collection includes portions of the San Andreas in northern and southern California, as well as several related faults in the Mojave Desert and other areas.
The San Andreas Fault System of California
The San Andreas fault runs for some 600 miles across California from the Salton Sea region to the north coast beyond Mendocino. It is responsible for two of California's three largest recorded earthquakes, and has produced large earthquakes every century or so for at least the last 5,000 years. It began moving about 29 million years ago, and has shifted parts of the state a minimum of 195 miles (and possibly much more). It passes close to or through a number of urban areas, including San Francisco, San Bernardino, Palmdale and Palm Springs. It is a right lateral strike-slip fault.
Aerial view of San Andreas fault showing offset stream Ground view of offset stream on San Andreas in Carrizo Plains Small graben (closed basin) on San Andreas Looking at a small graben along the San Andreas A small offset channel on the San Andreas Students walk on a plate boundary
Offset stream along San Andreas fault in Carrizo Plains National Monument, CA (picture is mine, but of someone else's poster) Surface view of offset stream shown in previous photo. San Andreas fault in Carrizo Plains National Monument Small graben (enclosed basin) along the San Andreas fault in Carrizo Plains National Monument. Looking at a small graben developed along the San Andreas at Carrizo Plains National Monument A small offset channel on the San Andreas in Carrizo Plains National Monument Students walk on the plate boundary between the Pacific and North American plates. Carrizo Plains National Monument
Offset stream at Wallace Creek on San Andreas Offset stream at Wallace Creek Offset stream at Wallace Creek, Carrizo Plains Scarp at Wallace Creek on the San Andreas fault in Carrizo Plains National Monument Terrace and scarp on the San Andreas fault in Carrizo Plains National Monument Landslides along the San Andreas in the Carrizo Plains
Offset Stream at Wallace Creek on the San Andreas fault in Carrizo Plains National Monument Offset Stream at Wallace Creek on the San Andreas fault in Carrizo Plains National Monument Offset Stream at Wallace Creek on the San Andreas fault in Carrizo Plains National Monument Fault scarp at Wallace Creek on the San Andreas fault in Carrizo Plains National Monument Terrace and scarp on the San Andreas fault in Carrizo Plains National Monument Unstable slopes on the San Andreas fault in Carrizo Plains National Monument
Sag Pond along the San Andreas fault on the Carrizo Plains Terrace and scarp on the San Andreas fault in Carrizo Plains National Monument Offset stream on the San Andreas fault in Carrizo Plains National Monument Terrace and scarp on the San Andreas fault in Carrizo Plains National Monument Terrace and offset stream on the San Andreas fault in Carrizo Plains National Monument Offset stream on the San Andreas fault in Carrizo Plains National Monument
Small sag pond on the San Andreas fault in Carrizo Plains National Monument Offset stream and shutter ridge on San Andreas fault on the Carrizo Plains Offset stream on the San Andreas fault in Carrizo Plains National Monument Offset stream on the San Andreas fault in Carrizo Plains National Monument Offset stream and terrace on the San Andreas fault in Carrizo Plains National Monument Offset stream on the San Andreas fault in Carrizo Plains National Monument
Shutter Ridge on the San Andreas fault in Carrizo Plains National Monument Lone Pine Canyon in Cajon Pass displays a linear valley Lone Pine Cyn, a linear valley along the San Andreas fault Blue Cut and Lost Lake in Cajon Pass Lost Lake, Scarp and Blue Cut in Cajon Pass Lost Lake, a sag pond on the San Andreas fault
Shutter Ridge on the San Andreas fault in Carrizo Plains National Monument Lone Pine Canyon in Southern California is a dramatic example of a linear valley along the San Andreas fault Lone Pine Canyon in Southern California is a dramatic example of a linear valley along the San Andreas fault The San Andreas fault is exposed in the Blue Cut of lower Cajon Pass. Lost Lake is a small sag pond. Foreground slope is a scarp At Cajon Pass in Southern California, the San Andreas forms a sag pond (Lost Lake) and a prominent scarp Lost Lake, a sag pond on the San Andreas fault in the Cajon Pass area of southern California
Linear valley and depressions on San Andreas near Gorman CA Linear valley on San Andreas near Gorman CA Linear valley and depressions along San Andreas near Gorman and I-5 Linear valley and depressions along San Andreas near Gorman and I-5 Linear valley and depressions along San Andreas near Gorman and I-5 Linear valley and depressions along San Andreas near Gorman and I-5
Linear valley and depressions along San Andreas near Gorman and Interstate-5 Linear valley and depressions along San Andreas near Gorman and Interstate-5 Linear valley and depressions along San Andreas near Gorman and Interstate-5 Linear valley and depressions along San Andreas near Gorman and I-5 Trees mark approximate location of San Andreas at Gorman, CA Trees and linear valley mark approximate location of San Andreas at Gorman, CA
Avenue S highway cut in Palmdale Palmdale Reservoir, a sag pond raised by a reservoir Trees mark approximate location of San Andreas at Gorman, CA Sag pond near Gorman, CA on San Andreas fault Flowers at Gorman CA Linear Valley near Gorman
Highly deformed sediments in shutter ridge  bisected by Highway 14 in Palmdale. Palmdale Reservoir is a 'former' sag pond on the San Andreas fault modified by the dam Trees and linear valley mark approximate location of San Andreas at Gorman, CA Sag pond on the San Andreas fault near Gorman CA near Interstate 5 Gratuitous flower scene on slopes above San Andreas fault at Gorman, CA Lupines and linear valley mark approximate location of San Andreas at Gorman, CA
Sag pond on San Andreas fault near Gorman CA Sag pond on San Andreas fault near Gorman CA Offset culvert at DeRose Winery on San Andreas Fault Offset wall in Hollister on Calaveras fault Offset wall in Hollister CA on Calaveras fault Offset SIDEWALKl in Hollister CA on Calaveras fault
Sag pond on San Andreas fault near Gorman CA Sag pond on San Andreas fault near Gorman CA Offset drainage culvert at DeRose Winery on San Andreas fault near Hollister in 2013 Offset retaining wall in Hollister CA on Calaveras fault (creeping section) Offset wall in Hollister CA on Calaveras fault (creeping section) Offset sidewalk in Hollister CA on Calaveras fault (creeping section)
Shutter ridge on San Andreas fault south of Hollister Offset culvert at De Rose Winery south of Hollister CA on San Andreas fault Interior damage at De Rose Winery on San Andreas fault Offset retaining wall in Hollister on Calaveras fault    
Shutter ridge on San Andreas fault south of Hollister Offset culvert at De Rose Winery south of Hollister CA on San Andreas fault in 2011 Interior damage at De Rose Winery on San Andreas fault in 2011 Offset retaining wall in Hollister on Calaveras fault in 2010    
           
           
           
           
Other Strike-slip faults in California
 
Shutter ridge on the Garlock fault, south Sierra Nevada Shutter ridge on Garlock fault in Mojave Desert Shutter ridge in Death Valley near Mesquite dunes Right laterally offset cinder cone in southern Death Valley Diaz Lake near Lone Pine, CA, a sag pond formed by the 1872 Lone Pine quake Scarp on Landers fault, Mojave Desert
Shutter ridge on Garlock fault in the Mojave Desert. The light colored ridge has deflected streams coming out of the mountains Shutter ridges form when one side of a strike-slip fault moves to block stream drainages. The Garlock is a left later fault with 40 miles of offset A shutter ridge crosses the floor of Death Valley near the Mesquite Dunes north of Furnace Creek. It deflects drainages on the alluvial fan complex A cinder cone in the southern part of Death Valley has been offset in a right-lateral sense. Diaz Lake near Lone Pine, CA is a sag pond formed by lateral movements during the 1872 Lone Pine earthquake (mag. 7.8 or so) Scarp on section of Landers fault, Mojave Desert, from the 1992 Landers earthquake. Movement was mainly lateral, but shifted ridges, forming the prominent scarps.
Offset telephone poles, Landers area of Mojave Desert Reche Road offset by Landers fault Mole track on Landers fault Scarp from 1992 Landers quake on hillside Person on Landers earthquake scarp Measuring an offset drainage on Landers fault
Offset telephone pole where Landers fault crosses road. The 1992 Landers quake was mag 7.3 Reche Road near Landers was offset by the 1992 quake, and repairs left the road offset in a right later sense A low scarp called a mole track on the Landers fault following the 1992 quake Scarp from the 1992 Landers earthquake on hillside in the Mojave Desert, taken in 2003 Person for scale on low scarp from the 1992 Landers earthquake in the Mojave Desert Measuring a small offset drainage on the Landers fault scarp showing about 10 feet of right lateral movement
Scarp on the Landers fault Face of scarp from the 1992 Landers earthquake Erosion on scarp of 1992 Landers quake, taken in 2003 Vertical scarp face from the 1992 Landers earthquake Scarp from the 1992 Landers earthquake Scarp from the 1992 Landers earthquake
Scarp from the 1992 Landers earthquake in the Mojave Desert. Movement was lateral, and shifted a ridge out of place Face of the scarp from the 1992 Landers earthquake, after 11 years Erosion of scarp from the 1992 Landers earthquake, after 11 years (picture taken in 2003) Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion
Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Detail of scarp from the Landers earthquake of 1992 Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion
Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Detail of vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion Vertical scarp formed during the 1992 Landers earthquake, after eleven years of desert erosion
Scarp from 1992 Landers earathquake          
Scarp from the 1992 Landers earthquake in the Mojave Desert          

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