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Stratovolcan complexe Currently about 3329 m (changing due to eruptive activity and collapse of its crater rims)
Sizilien (Italien), 37.75°N / 14.99°E
Condition actuelle: en éruption (4 sur 5)
Eruptions du volcan Etna:
En activité quasi permanente ; certaines grandes éruptions historiques telles que : en 122 BC (éruption explosive du sommet), AD 1669 (éruption sur le flanc sud dévastatrice), 1787 (l'une des plus spectaculaires éruptions au sommet enregistrée - fontaines de lave, semble-t-il, jusqu'à 3000 m de haut). Les éruptions depuis 1950 (f: flanc / s: activité sommitale): 1950-51(f), 1952(s), 1953(s?), 1955-64(s), 1966-1970(s), 1966(f), 1971(f), 1971-1980(s), 1974(f), 1978(f), 1979(f), 1980-81(s), 1981 (f), 1983(f), 1984(s), 1985(f), 1986(s), 1987(f), 1987(s), 1989(f), 1989-1991(s), 1991-93(f), 1995-2001(s), 2001(f), 2002(s), 2002-03(f), 2004-2005 (f),2006(s),2007(s),2008-9(f)
Style éruptif tipique:Effusive (coulée de lave et fontaine de lave) et explosive avec des éruptions modérées stromboliennes et parfois phréatomagmatiques. Les deux types d’activités éruptives ont lieu fréquemment au sommet et sur ses flancs. Ses éruptions latérales au niveau des flancs, semblent se regrouper sur des laps de temps d’environs quelques dizaines d’années
Voyages au volcan Etna : Volcans d'Italie - le Grand Tour (15 jours d'expédition du Vésuve à l’Etna) Etna Volcan Spécial (4/5 jours - expédition sur le volcan du mont Etna, Italie) Etna Discovery (8-days hiking & study tour on Mt. Etna volcano, Italy) Montagnes de Feu - du Stromboli à l'Etna (marche et voyage d'étude avec un volcanologue vers les volcans Etna, Vulcano, Lipari et Stromboli)
Etna volcano (Italy): earthquake swarm beneath eastern flank, ongoing lava activitydim., 24 janv. 2021, 13:53 13:53 PM | AUTEUR : T  Earthquakes today under Etna, locations (top) and time vs depth plot (below)  View of strombolian activity from New SE crater last night (image: INGV webcam on Montagnola)
This morning, a swarm of small earthquakes occurred beneath the eastern flank of the volcano. The seismic activity started early this morning at around 6 am local time. So far, almost 50 quakes have been recorded with magnitudes of up to 2.3, and the activity seems to be continuing. Most quakes were located at depth between 10-20 km and are arranged in a east-west trending linear area between the summit and Giarre town, mostly centered below the town of Sant'Alfio. The location of quakes in a E-W pattern suggests that a fault zone has been activated in this area. Whether it is associated with magma intrusion along a corresponding dyke at depth, or caused purely by tectonic movements, or a combination of both, is difficult to say. At the surface, Etna continues to be very active. When visibility allowed, glow and strombolian-type explosions could be seen from the New SE crater as well as Voragine central crater, and possible other vents as well. Volcanic tremor remains elevated, reflecting the current above-average supply of magma reaching the vents as lava. Actualités précédentesmer., 20 janv. 2021, 08:29 Last night's activity of vigorous and near-constant strombolian explosions from the eastern summit vent of the New SE crater continued to increase, but judging from webcam imagery, it did not quite reach the intensity of previous paroxysms with true lava fountains. ... lire toutesmer., 20 janv. 2021, 00:17 During the past hours, activity from the New SE crater has been increasing significantly and is currently showing intense and near-constant strombolian explosions. It seems very much as if it is heading for another paroxysm in the next hours if not less. ... lire toutesmar., 19 janv. 2021, 16:26 Yesterday evening, activity at the volcano increased quickly into another phase of lava fountaining, known as paroxysm, from the New SE crater. ... lire toutesmar., 19 janv. 2021, 06:00
lun., 18 janv. 2021, 21:00
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