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Updated: May 22, 2025
Rocca Monfina, in Southern Italy, showing a crater-ring of trachytic tuffs, from the midst of which, according to Judd, an andesite lava-cone has been built up.
Like the larger enclosures, these smaller objects frequently encroach upon each other crater-ring overlapping crater-ring, as in the case of Thebit, where a large crater, which has interfered with the continuity of the east wall, has, in its turn, been disturbed by a smaller crater on its own east wall.
May not the truth be, that the Souffriere had once a lofty cone, which was blasted away in 1718, leaving the present crater-ring of cliffs and peaks; and that thus may be explained the discrepancies in the accounts of its height, which Mr. Scrope gives as 4940 feet, and Humboldt and Dr. Davy at 3000, a measurement which seems to me to be more probably correct?
May not the truth be, that the Souffriere had once a lofty cone, which was blasted away in 1718, leaving the present crater-ring of cliffs and peaks; and that thus may be explained the discrepancies in the accounts of its height, which Mr. Scrope gives as 4940 feet, and Humboldt and Dr. Davy at 3000, a measurement which seems to me to be more probably correct?
It would certainly have needed a persistent lunar astronomer, and one furnished with a very perfect telescope, to have noted the changes that have occurred within the old crater-ring of Somma or among the Santorin group during the past thirty years, or even to have detected the effects resulting from the great catastrophe in A.D. 79, at Vesuvius; yet these objects are no larger than many which, if they were situated on our satellite, would be termed comparatively small, if not insignificant.
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