transforming california
DESCRIPTION
Transforming California. Landforms of the San Andreas Fault Images & text by Thomas McGuire, Cave Creek Digital, Cave Creek, AZ [email protected] “If we intend to live on this planet… we truly need to understand how it works.”. Exploring ways to find fault…. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/1.jpg)
Transforming California
Landforms of the San Andreas Fault
Images & text by Thomas McGuire, Cave Creek Digital, Cave Creek, [email protected]
“If we intend to live on this planet… we truly need to understand how it works.”
![Page 2: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/2.jpg)
Exploring ways to find fault…
![Page 3: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/3.jpg)
3The author at Parkfield CA, site of USGS seismic experiment. “Be here when it happens!”
![Page 4: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/4.jpg)
4
Fault Issues1. Fault Scarps & Alignments2. Sag Ponds3. Offset Drainages4. Distortion of Human-Made Structures5. Infrastructure Vulnerability
![Page 5: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/5.jpg)
5
Basic
California
Geography
ImperialValley
Los Angeles
Mojave Desert
San
Joaquin
Valley
San Francisco
San
Andreas
Fault
Death Valley
![Page 6: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/6.jpg)
6San Andreas Lakes viewed from the south near San Jose
![Page 7: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/7.jpg)
7
The San Andreas fault is part of the boundary between the North American and Pacific tectonic plates. It is classified as a right lateral transform fault.
(To a person facing the fault,
the far side shifts to the right.)
Our Dynamic Earth, Robert Tilling, USGS, 1996
![Page 8: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/8.jpg)
8The Sea of Cortez.. (Known to Gringos as The Gulf of California.)
![Page 9: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/9.jpg)
9The US-Mexican Border (fence line) is as impervious to plate processes as it is to immigration.
![Page 10: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/10.jpg)
10The All-American Canal brings Colorado River water to the Imperial Valley of California.
![Page 11: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/11.jpg)
11Wind Farm north of Palm Springs near San Gorgonio Pass.
![Page 12: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/12.jpg)
12The main trace of the fault runs NE of Los Angeles, but numerous splay faults affect the LA Basin.. (So does smog.)
![Page 13: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/13.jpg)
13California Aqueduct at Palmdale, north of Los Angeles.
![Page 14: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/14.jpg)
14Gates along the California Aqueduct at Palmdale
![Page 15: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/15.jpg)
15San Andreas Fault road cut, CA 14 at Palmdale,
![Page 16: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/16.jpg)
16Detail of CA 14 road cut at Palmdale
![Page 17: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/17.jpg)
17Intersection of the San Andreas & Garlock Faults east of Tejon Pass.
![Page 18: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/18.jpg)
18John Marquis, USC
The
San
Andreas
and
Garlock
Faults
![Page 19: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/19.jpg)
19Remains of Manzanar Japanese American internment Camp (WWII) and the steep eastern front of the Sierra Nevada Mountains
![Page 20: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/20.jpg)
20
Columnar jointing in basalt
at Devil’s Postpile near
Mammoth Lakes, CA
![Page 21: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/21.jpg)
21
Top of jointed basalt columns, Devil’s Postpile, CA
![Page 22: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/22.jpg)
22Dante’s View, Death Valley, CA. Badwater, at -282 Ft, the lowest place in the Western Hemisphere, is at the bottom right.
![Page 23: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/23.jpg)
23
![Page 24: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/24.jpg)
24San Andreas Fault, Carrizo Plain just north of CA 166.
![Page 25: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/25.jpg)
25
Fence (see last slide) crosses San Andreas Fault near CA 166.
![Page 26: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/26.jpg)
26San Andreas Fault ridge, Elkhorn Scarp along the base of the Tremblor Range, Carrizo Plain, CA
![Page 27: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/27.jpg)
27Fault trace, Carrizo Plain, CA
![Page 28: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/28.jpg)
28San Andreas Fault, Carrizo Plain, CA
![Page 29: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/29.jpg)
29Stream offset along the San Andreas Fault, Carrizo Plain, CA
![Page 30: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/30.jpg)
30Soda Lake, Carrizo Plain,. A closed drainage (sag pond) feature.
![Page 31: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/31.jpg)
31
Wallace Creek, USGS aerial view, about 1990 USGS Photo
![Page 32: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/32.jpg)
32
Wallace Creek fault investigation area on the Carrizo Plain. Numbers show signed posted nature trail features. Next image at #1..
![Page 33: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/33.jpg)
33Tom at Wallace Creek fault offset .
![Page 34: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/34.jpg)
34Stream offset along the San Andreas Fault near Wallace Creek, CA
![Page 35: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/35.jpg)
35Stream offset north of the Carrizo Plain, on Bitterwater Road.
![Page 36: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/36.jpg)
36Sag pond, San Andreas Fault along CA 25.
![Page 37: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/37.jpg)
37San Andreas cable crossing & sag pond, CA Route 25.
![Page 38: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/38.jpg)
38
Sheared tree limbs along CA, Route 25
; )
![Page 39: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/39.jpg)
39San Andreas Fault trace, CA Route 25.
![Page 40: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/40.jpg)
40California Route 25 along the San Andreas Fault.
![Page 41: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/41.jpg)
41Pressure Ridge, California Route 25.
![Page 42: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/42.jpg)
42San Andreas fault scarp & sag pond just east of California Route 25.
![Page 43: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/43.jpg)
43Slump structure near the San Andreas Fault, California Route 25.
![Page 44: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/44.jpg)
44Parkfield, CA. USGS seismic experiment center.
![Page 45: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/45.jpg)
45Laser triangulation and GPS site, Parkfield, CA
![Page 46: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/46.jpg)
46Bridge across San Andreas Fault at Parkfield
![Page 47: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/47.jpg)
47
San Andreas Fault right lateral offset at Parkfield Bridge
![Page 48: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/48.jpg)
48San Andreas Fault Movement, DeRose Winery, Hollister, CA Note the new building at the top left.
![Page 49: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/49.jpg)
49
28 years of offset at the Cienga Winery, USGS Photo TMcG
![Page 50: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/50.jpg)
50New construction & fault trace, June 2003, DeRose Cienga Winery. The offset ditch runs barely out of sight on the right.
![Page 51: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/51.jpg)
51
San Andreas fault creep damage
De Rose Cienga Winery, south of Hollister CA
![Page 52: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/52.jpg)
52Town of Hollister, California viewed from the Calaveras fault scarp. The San Andreas fault runs sub-parallel l,.5 miles west.
![Page 53: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/53.jpg)
53Wall on 6th Street distorted by Calaveras Fault creep (June 2003)
![Page 54: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/54.jpg)
54
Rotational Translation on 6th Street
![Page 55: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/55.jpg)
55
Offset curb,
6th Street
Hollister
![Page 56: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/56.jpg)
56
Offset curb
on,7th Street
![Page 57: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/57.jpg)
57Roof damage, Hollister High School
![Page 58: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/58.jpg)
58
Discrepant Event, Hollister ; )
![Page 59: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/59.jpg)
595th Street, Hollister.
![Page 60: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/60.jpg)
60
5th Street
Detail #1
![Page 61: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/61.jpg)
61
5th Street
Detail #2
![Page 62: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/62.jpg)
625th Street Detail #3
![Page 63: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/63.jpg)
634th Street front steps..
![Page 64: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/64.jpg)
64Displaced sidewalk, 359 Locust Avenue, Hollister
![Page 65: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/65.jpg)
65Retaining wall, 359 Locust Avenue, Hollister.
![Page 66: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/66.jpg)
66
Locust Avenue Garage
& power pole.
Garage built in 1929
![Page 67: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/67.jpg)
67
Locust
Avenue
Curb &
utilities
![Page 68: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/68.jpg)
68USGS, Menlo Park (Bay Area) Research Center
![Page 69: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/69.jpg)
69
The San
Andreas Fault
passes a few
kilometers west
(left) of the
Golden Gate
Bridge.
San Francisco Tourism Photo
![Page 70: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/70.jpg)
70Bye bye to the fault! (Point Reyes)
![Page 71: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/71.jpg)
71Seismology & economics converge
![Page 72: Transforming California](https://reader037.vdocument.in/reader037/viewer/2022103101/56814420550346895db0bced/html5/thumbnails/72.jpg)
72
The
End. USGS map
California
Transformed