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Komplexer Schichtvulkan Currently about 3329 m (changing due to eruptive activity and collapse of its crater rims)
Sizilien (Italien), 37.75°N / 14.99°E
Aktueller Status: Ausbruch (4 con 5)
Ausbrüche des Ätna
fast ununterbrochene Tätigkeit in historischer Zeit, u.a.:
122 v.Chr. (explosive Eruption am Gipfel), 1669 n.Chr. (zerstörerische Flankeneruption), 1787 (spektakuläre Gipfeleruptionen; laut Berichten Lavafontänen bis zu 3 km Höhe)
Eruptionen seit 1950 (f: Flankeneruptionen / s: Gipfeleruptionen):
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), 2008-2009 (f), 2010, 2013-anhaltend
Typische Aktivität:Effusive (Austritt von Lavaströmen) und explosiv mit anhaltender strombolianischer Tätigkeit, unterbrochen von heftigen Paroxysmen (Lavafontänen). Ausbrüche von den Gipfelkratern und im Schnitt alle 5-10 Jahre von seitlichen Bochen (Flankenausbrüche).
Etna Vulkanreisen: Italiens Vulkane - Vom Vesuv zum Ätna (14-tägige Studienreise zu den aktiven Vulkanen Italiens) Ätna Spezial (4/5-tägige Vulkanexpedition zum Ätna, Sizilien) Etna Discovery (8-tägige Wanderstudienreise am Vulkan Ätna, Italien) Feuerberge Siziliens - vom Stromboli zum Ätna (9-tägige Vulkan-Georeise zu den Vulkanen Vulcano, Stromboli, Lipari und Ätna)
Etna volcano update: Earthquakes rattle volcano's southern flankSa, 2. Jan 2021, 15:25 15:25 PM | VON: T  Earthquakes under Etna volcano during 31 Dec 2020-2Jan 2021  Steaming from the New SE crater (image: LAVE webcam)
A series of earthquakes shook the flanks of Etna volcano during the past days. Since the afternoon of 31 Dec 2020 until this morning, a swarm of tremors has occurred at depths of 10-15 km mainly under the southern flank of the volcano. A total of almost 40 quakes of magnitudes of up to 3.8 have been recorded, most of them on 31 Dec and early 1 Jan. The strongest quakes were widely felt by people living on the southern slopes of Etna. There are no signs that that these quakes have affected the activity at the summit craters, which has been calming down gradually, and seems to consist only of sporadic (if any) weak strombolian activity and some ash emissions from the New SE crater and, to lesser extent, the Voragine central crater. It is unclear whether the earthquakes were volcanic in origin, but they might well be so, possibly caused by deep magmatic intrusions that pressurize deep reservoirs and break up rocks in the mantle to create space, resulting in small earthquakes. Ultimately, they might but not necessarily need to be precursors of a new phase of activity, something that only Etna knows at the present. Vorherige NachrichtenAlthough no paroxysm has occurred since the last one almost a week ago (on 22 Dec), Etna continues to erupt, mainly from the eastern summit vent of the New SE crater. alles lesenAfter the latest paroxysm from the New SE crater early yesterday morning, the volcano has continued to produce mild strombolian activity, mainly from the eastern summit vent of the SE crater complex. ... alles lesenA third paroxysm occurred at the volcano in the early morning hours today, following the previous one after almost exactly 24 hours. ... alles lesenAnother lava-fountaining episode (paroxysm) occurred this morning at the volcano. ... alles lesen |
