Abstract
July 28, 1883. Destructive Ischian Earthquake.—Casamicciola, the chief town in the island of Ischia (Italy), was destroyed by an earthquake and about 1800 out of 3963 inhabitants were killed. The area of complete destruction, however, contained only 3 square miles, and the whole disturbed area between 300 and 400 square miles, that is, less than the area of a slight British earthquake. This implies a very shallow focus, the depth of which was estimated from the directions of fissures to be one-third of a mile. The epicentral area lay on the northern slope of Epomeo, a volcano that was last in action in 1302, and its longer axis was directed towards the centre of the old crater. Thus, the earthquake may have been the result of an unsuccessful attempt to force a new eruption.
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Historic Natural Events. Nature 126, 153 (1930). https://doi.org/10.1038/126153a0
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DOI: https://doi.org/10.1038/126153a0