Welcome to the California Department of Conservation
CGS / Regional Geologic Hazards and Mapping Program / PSHA / Fault Parameters / HTM

CA_flt_parameters_nwCA1 

22002 CALIFORNIA FAULT PARAMETERS -
Northwestern California

Click on fault for information

Table Bluff Little Salmon (offshore) Little Salmon (onshore) Big Lagoon-Bald Mtn flt zone Trinidad Fickle Hill McKinleyville Mad River


Table Bluff

FAULT_NAME

Table Bluff

FAULT_TYPE

r

FAULT_LGTH_km

49 ± 5

DIP

45

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

0.6 ± 0.6

RANK

P

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

18


Return to map


Little Salmon (offshore)

FAULT_NAME

Little Salmon (offshore)

FAULT_TYPE

r

FAULT_LGTH_km

46 ± 5

DIP

30

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

1 ± 1

RANK

P

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

26


Return to map


Little Salmon (onshore)

FAULT_NAME

Little Salmon (onshore)

FAULT_TYPE

r

FAULT_LGTH_km

34 ± 3

DIP

30

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

5 ± 3

RANK

M

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

26


Return to map


Big Lagoon-Bald Mtn flt zone

FAULT_NAME

Big Lagoon-Bald Mtn flt zone

FAULT_TYPE

r

FAULT_LGTH_km

90 ± 9

DIP

35

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

0.5 ± 0.5

RANK

P

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

23


Return to map


Trinidad

FAULT_NAME

Trinidad

FAULT_TYPE

r

FAULT_LGTH_km

88 ± 9

DIP

35

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

2.5 ± 1.5

RANK

P

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

23


Return to map


Fickle Hill

FAULT_NAME

Fickle Hill

FAULT_TYPE

r

FAULT_LGTH_km

32 ± 3

DIP

35

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

0.6 ± 0.4

RANK

P

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

23


Return to map


McKinleyville

FAULT_NAME

McKinleyville

FAULT_TYPE

r

FAULT_LGTH_km

47 ± 5

DIP

35

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

0.6 ± 0.2

RANK

M

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

23


Return to map


Mad River

FAULT_NAME

Mad River

FAULT_TYPE

r

FAULT_LGTH_km

42 ± 4

DIP

35

DIP_DIRECTION

NE

SLIP_RATE_mm_yr

0.7 ± 0.6

RANK

P

RUP_TOP_km

0

RUP_BOT_km

13

RUP_WIDTH_km

23


Return to map