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Active faults of the Los Angeles basin

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Active faults of the northern Los Angeles basin: Field excursion overview Robert de Groot, Lindsey T. Groves, Rosa Mazon, Kristen Metzger, Alyssa Morgan, Molly Porter
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Page 1: Active faults of the Los Angeles basin

Active faults of the

northern Los Angeles

basin: Field excursion

overview

Robert de Groot, Lindsey T. Groves, Rosa Mazon, Kristen Metzger, Alyssa Morgan, Molly Porter

Page 2: Active faults of the Los Angeles basin

From Ziony, 1985

Page 3: Active faults of the Los Angeles basin

From Ziony, 1985

Page 4: Active faults of the Los Angeles basin

From Ziony, 1985

Page 5: Active faults of the Los Angeles basin

From Yerkes & others, 1965

Page 6: Active faults of the Los Angeles basin

From Ziony, 1985

Page 7: Active faults of the Los Angeles basin

From Lynch, 2006

Page 8: Active faults of the Los Angeles basin

From Yerkes & others, 1965

Page 9: Active faults of the Los Angeles basin
Page 10: Active faults of the Los Angeles basin

Portion of the Los Angeles 2° sheet (Jenkins, 1969, RP 1975)

Page 11: Active faults of the Los Angeles basin

View northwest from the Baldwin Hills Scenic

Overlook of the Los Angeles Basin.

Santa Monica Fault Zone

Santa Monica Mountains

Page 12: Active faults of the Los Angeles basin

View north from the Baldwin Hills Scenic

Overlook of the Los Angeles Basin.

Hollywood Fault Zone Santa Monica Mountains

Page 13: Active faults of the Los Angeles basin

View north from the Baldwin Hills Scenic

Overlook of the Los Angeles Basin.

Hollywood

San Gabriel Mountains Cahuenga Pass “Wind Gap” ↓

Fault Zone

Verdugo Mountains ↓

Page 14: Active faults of the Los Angeles basin

Scarp of the Santa Monica Fault on Westgate Ave. (west side)

of University High School, West Los Angeles

Page 15: Active faults of the Los Angeles basin

Scarp of the Santa Monica Fault on Barrington Ave. (east

side) of University High School, West Los Angeles

Page 16: Active faults of the Los Angeles basin

Scarp of the Santa Monica Fault on the Veterans

Administration Medical Center grounds, West Los Angeles

Page 17: Active faults of the Los Angeles basin

From Dolan & others, 2000

Page 18: Active faults of the Los Angeles basin

From Dolan & others, 2000

Page 19: Active faults of the Los Angeles basin

Scarp of Santa Monica Fault and LDS Temple as it

“looms over famous Santa Monica Blvd. in Westwood.”

Santa Monica Fault

Page 20: Active faults of the Los Angeles basin

Capitol Records building with scarp of

Hollywood Fault in background

Page 21: Active faults of the Los Angeles basin

Scarp of the Hollywood Fault at La Cienega and

Sunset Blvds., Hollywood

Page 22: Active faults of the Los Angeles basin

Inferred scarp of Hollywood Fault, Fuller Ave. at

Hillside St. where it is covered by alluvial fan

Page 23: Active faults of the Los Angeles basin

Inferred scarp of Hollywood Fault, Fuller Ave. at

Hillside St. where it is covered by alluvial fan

Page 24: Active faults of the Los Angeles basin

From Dolan & others, 1997

Page 25: Active faults of the Los Angeles basin
Page 26: Active faults of the Los Angeles basin

View south from Griffith Planetarium

Palos Verdes Hills Santa Catalina Island

Hollywood Fault Zone

Page 27: Active faults of the Los Angeles basin

View southwest from Griffith Planetarium

Elysian Park Folds

Puente Hills

Mt. Washington & Repetto Hills

Santa Ana Mountains

Page 28: Active faults of the Los Angeles basin

View east from Griffith Planetarium

San Gabriel Mountains

Adams Hill Mt. Washington

San Rafael Hills

Page 29: Active faults of the Los Angeles basin

Steeply dipping beds (~40°) of the late Miocene Puente Formation

on Glendale Blvd. within the Elysian Park fold system, Echo Park.

Page 30: Active faults of the Los Angeles basin

Gently dipping beds (~25°) of the late Miocene Puente Formation on

Glendale Blvd. within the Elysian Park fold system, Echo Park.

Page 31: Active faults of the Los Angeles basin

Steeply dipping beds (~40°) of the late Miocene Puente Formation on

Glendale Blvd. within the Elysian Park fold system, Echo Park.

Page 32: Active faults of the Los Angeles basin

Prominent fault scarp of the Raymond Fault, Santa Anita

Racetrack parking lot, Arcadia.

Page 33: Active faults of the Los Angeles basin

Scarp trace of the Raymond Fault at Colorado Blvd., Arcadia

Page 34: Active faults of the Los Angeles basin

From Jones & others, 1990

Page 35: Active faults of the Los Angeles basin

Sag area, Lacy Park, San Marino

Page 36: Active faults of the Los Angeles basin

Lacy Park, Arcadia with inferred left step-over in Raymond

Fault

Page 37: Active faults of the Los Angeles basin

Pasadena Langham Hotel atop scarp of Raymond Fault

from Oak Knoll Rd. at Old Mill Rd.

Page 38: Active faults of the Los Angeles basin

View north up side street in Boyle Heights off Cesar

Chavez Blvd. towards Elysian Park folds

Page 39: Active faults of the Los Angeles basin

Small fold structure in Evergreen Cemetery, Boyle Heights

Page 40: Active faults of the Los Angeles basin

View north on Evergreen St. at Evergreen Cemetery of

small fold structure

Page 41: Active faults of the Los Angeles basin

Oskin & others, 2000

Page 42: Active faults of the Los Angeles basin

Can

earthquakes

be

predicted?

From Science made stupid

by Tom Weller (1985)

Page 43: Active faults of the Los Angeles basin
Page 44: Active faults of the Los Angeles basin

OCTOBER 17th, 2013 at 10:17 AM


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