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III.—On the Occurrence of Undisturbed Spots in Earthquake-shaken Areas1

Published online by Cambridge University Press:  01 May 2009

Charles Davison
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Extract

One of the most important discoveries in Seismology is that which proved the close connexion in position between earthquakecentres and lines of fault, leading up to the view that the earthquake is an effect and not a cause of fault-formation. It may be the momentary result either (1) of the sudden fracturing of the earth's crust, or (2) of the impulsive friction that must accompany the relative displacement of the rock-masses adjoining the fissure. Now, earthquakes are frequent at places where faults are already advanced in the process of formation.

Type
Original Articles
Information
Geological Magazine , Volume 3 , Issue 4 , April 1886 , pp. 157 - 159
Copyright
Copyright © Cambridge University Press 1886

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References

page 159 note 1 “The Earthquake of 28th November, 1880, in Scotland and Ireland,“ Edinburgh Eoy. Soc. Proc, vol. xi. pp. 176–187.Google Scholar

page 159 note 2 It should be mentioned that at two other places near Phladda, and not on the line of fault, the earthquake passed unnoticed.

page 159 note 3 Dolomieu, , “A dissertation on the Earthquakes in Calabría Ultra, which.happened in the year 1783,” Pinkerton's Voyages and Travels, vol. v. p. 290.—Google ScholarHumboldt's Personal Narrative, vol. iv. p. 21.–C. Darwin, “On the Connexion of certain Volcanic Phenomena in South America, etc.,” Geol. Trans, second series, vol. v. pp. 605–6.Google Scholar