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Science 5 September 1986:
Vol. 233. no. 4768, pp. 1071 - 1073
DOI: 10.1126/science.233.4768.1071
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Articles

Coastal Uplift and Mortality of Intertidal Organisms Caused by the September 1985 Mexico Earthquakes

PAUL BODIN 1 and TERRIE KLINGER 2

1 Institute of Geophysics and Planetary Physics, University of California, San Diego, La Jolla, CA 92093.
2 Scripps Institution of Oceanography, University of California, San Diego.

Coastal uplift associated with the great Mexican earthquake of 19 September 1985 and its principal aftershock produced widespread mortality of intertidal organisms along the coast of the states of Michoacán and Guerrero, Mexico. Measurements of the vertical extent of mortality at ten sites provided estimates of the magnitude of the vertical component of deformation along the coast. Within the affected area, uplift ranged from about 12 centimeters to about 1 meter, and no subsidence was observed. The observations are consistent with models of the tectonic deformation that results from buried slip on a shallow-dipping underthrust fault.

Submitted on January 2, 1986
Accepted on June 11, 1986


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
The temporal and spatial evolution of the 19 September 1985 Michoacan earthquake as inferred from near-source ground-motion records.
A. J. MENDEZ and J. G. ANDERSON (1991)
Bulletin of the Seismological Society of America 81, 844-861
   Abstract »    PDF »
Earthquake-Caused Coastal Uplift and Its Effects on Rocky Intertidal Kelp Communities.
J. C. Castilla and J. C. CASTILLA (1988)
Science 242, 440-443
   Abstract »    PDF »
Coastal landforms.
H. A. Viles and H.A. Viles (1987)
Progress in Physical Geography 11, 398-405
   PDF »
Strong Ground Motion from the Michoacan, Mexico, Earthquake.
J. G. Anderson, J. G. ANDERSON, P. BODIN, J. N. BRUNE, J. PRINCE, S. K. SINGH, R. QUAAS, and M. ONATE (1986)
Science 233, 1043-1049
   Abstract »    PDF »


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