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The fourth and last descended from an old mouth called Vulcano, on the south side; reaching Pedementina, it joined itself with a smaller stream of lava, thence it ran on over old lava, as far as the hollow called Atrio del Cavallo. It seemed to menace La Torre del Greco.
It has been observed that the volcanic matter, not lava, thrown out by Vesuvius this time, taken in mass, is much more considerable than the lava itself.
The damage done by the eruption is not so considerable as the dreadful and menacing appearances of the mountain would have induced me to imagine. Portici and the Torre del Greco have suffered no other inconvenience than that arising from some sharp showers of lapillo and ashes. Resina has had about twenty moggia of land covered. A moggia is a Neapolitan measure, equivalent to about four-fifths of an English acre. From the Torre del Greco to the Torre del Annunziata, the road is now covered to the depth of two feet with lapillo and fine ashes. The Torre del Annunziata has suffered most; all its finely cultivated lands are covered with a very thick stratum of lapillo and ashes. Near Ottaiano, about forty or fifty moggia of wood were consumed.
Yesterday, this part suffered greatly from a deluge of warm water, mixed with ashes.
