Etna ηφαίστειο

Συγκρότημα stratovolcano Currently about 3329 m (changing due to eruptive activity and collapse of its crater rims)
Sizilien (Italien), 37.75°N / 14.99°E
Current status: έκρηξη (4 out of 5)
Last update: 8 Dec 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)
Eruption from Mt Etna volcano (Photo: Tom Pfeiffer)
Eruption from Mt Etna volcano (Photo: Tom Pfeiffer)

Mt Etna on Sicily, locally called "Mongibello", is Europe's largest and most active volcano. Its frequent eruptions are often accompanied by large lava flows, but rarely pose danger to inhabited areas. Etna is one of the volcanoes with the longest historic records of eruptions, going back more than 2000 years.

Διαδραστικός χάρτης
Typical eruption style: Διαχυτικός (ροές λάβας) και ήπια εκρηκτική ύλη (strombolian) εκρήξεις. Σύνοδος Κορυφής και εκρήξεις συχνή πλευρά, ο τελευταίος φαίνεται να εμφανίζεται στις συστάδες που διαρκεί μερικά σε μερικές δεκάδες χρόνια.
Etna ηφαίστειο εκρήξεις: Near continuously active; some major historic eruptions include 122 BC (large Plinian outbursts that created the small caldera of the "Cratere del Piano"), 1669 AD (devastating flank eruption that destroyed 15 villages and part of Catania), 1787 (Subplinian eruption and one of the most spectacular summit eruptions on record - lava fountains reportedly up to 3000 m high).
Eruptions since 1950 (f: flank / s: summit activity): 1950 (s), 1950-51(f), 1955 (s), 1956 (s), 1956 (f), 1957 (s),1960 (s), 1961 (s), 1964 (f), 1964 (s), 1966 (s), 1966-1971(s), 1968 (f), 1971(f), 1972-1973 (s), 1974 (f), 1974-1975 (s), 1975-1977 (f), 1977-1978 (s), 1978 (f), 1979(s), 1979 (f), 1980 (s), 1981 (s), 1981 (f),1982-1983 (s), 1983(f), 1984(s), 1985(s), 1985(f), 1986(s), 1986-1987 (f), 1987(s), 1988(s), 1989(s), 1989(f), 1990 (s), 1991-93(f), 1995(s), 1996(s), 1997 (s), 1998 (s), 1999 (s), 2000 (s), 2001(s), 2001 (f), 2002(s), 2002-03(f), 2004-2005 (f), 2006 (s), 2007 (s), 2008-2009 (f), 2010(s), 2011-2013(s), 2014-18, 2018(f), 2019-ongoing (s)

ΏραMag. / ΒάθοςΑπόσταση/Τοποθεσία
Παρασκευή, 3 Δεκεμβρίου 2021 12:01 GMT (1 σεισμός)
3 Δεκ 2021 13:01 (GMT +1) (3 Δεκ 2021 12:01 GMT)
2.1

5.2 km
8.4 km (5.2 mi)
8.5 km δυτικά από Giarre, Κατάνη, Σικελία, Ιταλία
Πέμπτη, 2 Δεκεμβρίου 2021 02:06 GMT (1 σεισμός)
2 Δεκ 2021 03:06 (GMT +1) (2 Δεκ 2021 02:06 GMT)
1.9

18 km
24 km (15 mi)
Μεσσίνα, 11 km βορειοδυτικά από Bronte, Ιταλία
Τετάρτη, 1 Δεκεμβρίου 2021 23:56 GMT (1 σεισμός)
2 Δεκ 2021 00:56 (GMT +1) (1 Δεκ 2021 23:56 GMT)
1.7

10.9 km
24 km (15 mi)
11 km βορειοδυτικά από Bronte, Ιταλία
Σάββατο, 27 Νοεμβρίου 2021 09:23 GMT (2 σεισμοί)
27 Νοε 2021 10:23 (GMT +1) (27 Νοε 2021 09:23 GMT)
2.8

34 km
33 km (21 mi)
Μεσσίνα, 19 km δυτικά από Bronte, Ιταλία
27 Νοε 2021 08:36 (GMT +1) (27 Νοε 2021 07:36 GMT)
2.9

34 km
36 km (22 mi)
Μεσσίνα, 21 km δυτικά από Bronte, Ιταλία

Background

Mount Etna, towering above Catania, Sicily's second largest city, has one of the world's longest documented records of historical volcanism, dating back to 1500 BC. Historical lava flows cover much of the surface of this massive volcano, which makes it the highest and most voluminous in Italy. Ever since ancient times, the volcano seems to have been in near-constant activity. It is considered, after Kilauea on Hawaii, the second most active, i.e. productive volcano on earth.
Two styles of eruptive activity typically occur at Etna: (1) persistent explosive eruptions, sometimes with minor lava emissions, from one or more of the 4 prominent summit craters, the Bocca Nova, Voragine (the former Central Crater), NE Crater, and SE Crater (the latter formed in 1978). (2) Flank eruptions, typically with higher effusion rates, are less frequent and originate from fissures that open on the volcano's flanks. Such flank eruptions, such as the spectacular recent ones in 2001 and 2002-03 commonly form cinder cones, that dot the volcano in their hundreds.

Etna Φωτογραφίες

Etna's paroxysm from Voragine crater on 4 Dec 2015, seen from Cesarò (Photo: Giuseppe Famiani)
Etna's paroxysm from Voragine crater on 4 Dec 2015, seen from Cesarò (Photo: Giuseppe Famiani)
Group on a narrow ledge that separates two vents on Etna volcano, Italy. (Photo: Tom Pfeiffer)
Group on a narrow ledge that separates two vents on Etna volcano, Italy. (Photo: Tom Pfeiffer)
After having reached its peak, the eruption wanes quickly, but a dense brown ash plume still rises high from the fissure vent. (Photo: Tom Pfeiffer)
After having reached its peak, the eruption wanes quickly, but a dense brown ash plume still rises high from the fissure vent. (Photo: Tom Pfeiffer)
View of Etna from Alitalia flight from Trieste to Catania on 21 Apil 2012 (Photo: marcofulle)
View of Etna from Alitalia flight from Trieste to Catania on 21 Apil 2012 (Photo: marcofulle)
 



See also: Sentinel hub | Landsat 8 | NASA FIRMS
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