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ETNA - Voragine and the new small crater

The 20th April 2016 Prof. Maurizio Ripepe (University of Florence,  LGS Reserch Group) had a field activity survey on Etna volcano.​ This field survey had the purpose to maintenance the seismic and infrasonic station deployed on the flanks of the volcano.

During his field activity, he took some pictures on the rim of the voragine crater. This crater has been filled by the two last eruptions on dicember 2015 and may 2016 with 4-5 millions of cubic meters of lava and ejecta.

The 7th of august 2015 a small crater, 20-30m wide, formed on the western flank of the voragine, emitting gas and infrasonic pulses recorded by our stations.
Next pictures shows the small new crater (Fig.1) and the gas emission (Fig. 2).


Fig. 1: New small crater
Fig. 2: Degassing on the new small crater
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RASSEGNA STAMPA - Agosto 2016
EVENTO SISMICO Ml=3.7 PROVINCIA DI FIRENZE

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