Abstract
IN connexion with the earthquake of October 2, which was felt throughout the coastal zone of Ecuador, I was fortunate in being able to photograph several examples of unusual structures which were formed directly after the seismic disturbance. The craters were found in a dry lagoon close to the seashore and were associated with pronounced fissures in the alluvium, these being orientated from north-east to north-west. The fractures occur near a major fault which separates the Eocene and Oligocene formations, and thus it appears that there was movement along this fault at the time of the earthquake.
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SHEPPARD, G. Small Sand Craters of Seismic Origin. Nature 132, 1006 (1933). https://doi.org/10.1038/1321006b0
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DOI: https://doi.org/10.1038/1321006b0
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