Mount Etna reactivates after 250 “mini-eruptions” | video
- December 1, 2023
- 0
He Etna, the most active volcano on the European continent. Located on the Italian island of Sicily (south), it has recorded 250 “mini-eruptions” in the past ten days,
He Etna, the most active volcano on the European continent. Located on the Italian island of Sicily (south), it has recorded 250 “mini-eruptions” in the past ten days, the latest of which occurred today in its southeastern crater, spewing lava and ash.
The National Institute of Geophysics and Volcanology (INGV) published a report this Friday explaining that from November 19 to December 1 250 “Strombolian” type eruptions. and “rhythmic” frequency, intermittent.
Each explosion starts with “very weak” emissions hot gas and small lava flows but after a few minutes they become “more energetic”, separated by intervals of several minutes.
The ejected material flows down the slope of the southeastern crater and “rarely” reaches the base.
Such activity is “entirely normal” for an “open channel” volcano such as Mount Etna, but INGV experts stress in the paper that eruptions occur at times “so regularly” that they appear to be “marked like a Swiss watch.”
The analyzed series began with a “paroxysm” on November 12, but On the 19th, the volcano again showed “signs of life.”
However, in the following days, Etna began to record eruptions “in a certain rhythm” with periods of 10 to 15 minutes of excited “Strombolian” activity, that is, strong explosions, separated by periods of calm.
While from November 24Eruptions occurred on average every 70 minutes.
INGV “suggested” as “plausible” that the brief and spectacular eruptions of the great Sicilian volcanic cone during this period were due to the “dynamics of magma ascent” to the surface.
The organization is considering several future scenarios: the amount of magma in Etna’s conduit will decrease and eruptions will stop; let it increase and intensify, as it has lately; or it increases “noticeably” and appears as a side rash.
The first two possibilities are the most likely, while the latter, still “unlikely,” could cause problems such as soil deformation, earthquakes or increased gas emissions from the volcano overlooking the city of Catania.
At the moment, the ongoing eruption is clearly visible from Catania, where the airport remains open, or from nearby Taormina, although INGV considers it “normal”.
EFE
Source: Aristegui Noticias
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