Bulletin of the Seismological Society of America Volume 6
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...Submarine fault-zone seems most likely of all. See also (24) and (28). (30) A IV 1853, January 2. San Francisco-Bodega-Shasta City. Activity on the Point Arena-San Juan segment of the San Andreas fault seems most probable, --perhaps with independent movements farther north. It seems almost certain that the shock felt at Shasta must have been distinct, and have emanated from some indeterminate place of genesis. (31) A V 1853, March 1. San Francisco, San Luis Obispo, Santa Barbara. Smart shock. Probably not all these places were affected by the same shock. Hence it is impracticable to discuss the places of origin, since there is no information as to the area affected by each shock. See the table and (22) and (46). (32) A.... 1853, September 2? 3? Salinas and the San Joaquin plains. Four shocks felt. Whether the shocks were local in each district, or the same shocks were manifested in both, cannot be inferred with any confidence; and, consequently, the place, or places, of origin cannot be determined upon. (33) A V 1854, January 3. Mariposa and Shasta. Two smart shocks. Almost certainly these were distinct shocks in each locality. The place of origin cannot be estimated with confidence in either case. (34) A V 1855, January 14. Along ninety-four miles of the coast of California. The part of the coast is not specified; but it seems very likely a shock emanating from the Punta GordaPoint Arena and the Point Arena-San Juan segments of the San Andreas fault. (35) A 1855. January 24. 'A heavy shock, lasting seven seconds, was felt at Downieville, Sierra county, California. This shock was quite severe at Gibsonville, on the north, at Forest City and Minnesota, in Sierra county; and at Orleans Flat and Eureka, Humboldt county; in Nevada county; at...
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