Bulletin of the Seismographic Stations of the University of California, Berkeley 94720.

Bolt, B. A., and Miller, R.,1975, Catalogue of earthquakes in northern California, Jan. 1, 1910 - Dec. 31, 1972.

Coffman, J.L. and Von Hake, C.A., 1973, Earthquake History of the United States, U.S. Department of Commerce publication 41-1

Dengler, L., Carver, G., McPherson, R., 1992, Sources of north coast seismicity, California Geology, vol. 44, April 1992.

National Earthquake Information Center (NEIC), Preliminary Determination of Epicenters, U.S. Government Printing Office, Wash. D.C. 20402.

Northern California Earthquake Data Center (NCEDC), Northern California Seismic Network, U.S. Geological Survey, Menlo Park and Berkeley Seismological Laboratory , University of California, Berkeley

Nowroozi, A., 1973, Seismicity of the Mendocino escarpment and the aftershock sequence of June 26, 1968, ocean bottom seismic measurements, Bulletin of the seismological Society of America, V. 63, p. 441-456.

Real, C. R., Toppozada, T.R. and Parke,D. L., 1982, Earthquake Epicenter Map of California, California Division of Mines and Geology Map Sheet 39.

Simila, G. W., 1980, Seismological evidence on the tectonics of the northern section of the San Andreas Fault Region, in Studies of the San Andreas fault zone in northern California, CDMG Special Report 140, p 131-137.

Smith, S. W., and Knapp, J. S., 1980, The northern termination of the San Andreas fault, Studies of the San Andreas fault zone in northern California, edited by R. Streitz and R. Sherburne, Spec. Rep. Calif. Div. Mines Geol., p. 153-164.

Toppozada, T.R, Real, C. R. and Parke, D. L., 1981, Preparation of Isoseismal Maps and Summaries of Reported Effects for Pre-1900 California Earthquakes, California Division of Mines and Geology Open File Report 81-11SAC, 182 pp.

Townley, S. D. and Allen, M. W., 1939, Descriptive catalog of earthquakes of the Pacific coast of the United States, 1769 to 1928, Bulletin of the Seismological Society of America, v. 29, p. 1-297.

Woodward-Clyde Consultants, 1980, Evaluation of the potential for resolving the geologic and seismic issues at the Humboldt Bay Power Plant Unit No. 3, Appendices, Woodward-Clyde Consultants, Walnut Creek, California.