Etna (Sicily, Italy): Volcanic Ash Advisory Center Toulouse (VAAC) issued the following report: SMALL EXPLOSIVE ACTIVITY ONGOING OBS VA DTG:18/1400Z …18 Feb: For more than a month, sometimes intense ash emissions have been taking place from the NE crater and, to lesser extent, from Bocca Nuova. These ashes are currently believed not to be formed by fresh magma rising in the conduits, but…
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