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Science 16 August 1968:
Vol. 161. no. 3842, pp. 688 - 690
DOI: 10.1126/science.161.3842.688
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Articles

Seismic and Bathymetric Evidence of a Fracture Zone on Gorda Ridge

J. Northrop 1, H. W. Menard 2, and F. K. Duennebier 3

1 Naval Undersea Warfare Center, San Diego Division, San Diego, California 92152
2 University of California at San Diego, La Jolla 92037
3 Hawaii Institute of Geophysics, Honolulu 96822

Swarms of seaquakes have been located hydroacoustically on Gorda Ridge near 41.5°N, 127.6°W, where detailed bathymetric charts indicate a slight dextral offset of the rift valley in the center of the ridge. It is suggested that a fracture zone may be nascent in the area.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Accuracy of earthquake epicenters on the Gorda ridge.
J. NORTHROP (1970)
Bulletin of the Seismological Society of America 60, 265-267
   PDF »
Seismological evidence on the tectonics of central and northern California and the Mendocino escarpment.
B. A. BOLT, C. LOMNITZ, and T. V. MCEVILLY (1968)
Bulletin of the Seismological Society of America 58, 1725-1767
   Abstract »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)