TABLE 7.1.--Shear-strain rates in California

[Maximum compression measured from north, with clockwise direction positive]

Location Maximum

Area (Rate) compression Interval Reference

Lat N. Long W. ppm/yr direction* (°)

Mendocino .............. 40.1° 124.0° .53±0.10 3±4 1981 84 Breen and others (1987).

40.1° 123.7° .35±0.11 11±6 - -

40.2° 124.1° .34±0.11 21±9

Round Valley........... 39.9° 123.3° .60±0.14 -11±5 1942-64 Prescott (1985).

Point Reyes............. 38.1° 122.8° .64±0.07 2±2 1972-82 Prescott and Yu (1986).

Santa Rosa (Rodgers Creek 38.4° 122.8° .32±0.02 12±2 - - - -

fault).

The Geysers 38.8° 122.9° .39_0.03 11±3 -- - -

(Maacama fault).

Napa (West Napa fault) 38.3° 122.3° .17_0.05 20±9 - - - -

San Francisco peninsula. 38.5° 122.4° .58±0.07 -2±9 1970 80 Prescott and others (1981).

White Mountains ....... 37.9° 118.6° .06±0.02 -13_12 1972-79 Savage and Lisowski (1984).

37.5° 118.5° .06_0.02 -8_14

Owens Valley 36.9° 118.1° .16_0.06 28_12 1974-79 Savage and Lisowski (1980).

Hollister (E. of Calaveras 36.9° 121.3° .32_0.04 16±3 1971-78 Savage and others (1979).

fault).

San Luis network:

Central ................ 35.5° 120.4° .23_0.04 - 23_3 1977-83 N.E. King (unpub. data,

1988).

West.................... 35.4° 120.7° .09_0.03 - 18±10 -- --

Carrizo network:

A....................... 35.4° 119.8° .62_0.02 -- 1977-83 N.E. King (unpub. data,

1983).

B ...................... 35.3° 119.8° .58_0.02 - - - - - -

C ...................... 35.1° 119.9° .43±0.02 - - - - - -

D ...................... 35.1° 120.2° .10±0.02 - - - - - -

Tehachapi network:

Garlock fault........... 34.9° 118.5° .17±.03 4_3 1973-83 King and Savage (1984).

San Andreas fault........ 34.6° 118.0° .34±.01 -17±1 - - - -

Cajon network............ 34.3° 117.5° .36±.04 -16±2 1974-84 Savage and others (1986).

Los Padres network....... 34.8° 119.5° .26±.01 -1±1 --

Barstow ................. 35.0° 116.9° .08±.05 24±17 1979 84 King (1985).

Palmdale ................ 34.4° 118.2° .35±.03 -19±4 1971-80 Savage and others (1981).

Mojave network:

W1...................... 34.6° 117.0° .17±.05 4±11 1934 82 Sauber and others (1986).

W3...................... 34.4° 116.6° .15±.05 5±8 - - - -

Eastern................. 34.5° 116.1° .05±.03 -- -- --

Anza network:

A....................... 33.8° 117.4° .06±.03 - 1973-81 King and Savage (1983).

B....................... 33.8° 117.1° .15±.03 30±13 -- --

C ...................... 33.8° 117.0° .41±.04 21±5 - - - -

D ...................... 33.5° 116.8° .25±.03 30±8 - - - -

E....................... 33.5° 116.7° .29±.03 1±5 -- --

F....................... 33.6° 116.4° .09±.03 -- -- --

G....................... 33.7° 116.1° .40±.02 8±2 -- --